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Annual progress report
Reporting Period: 1 January 2019 – 31 December 2019
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General details 1a. Details of programme leader -Name, title(s): Prof. dr. Albert Polman -Affiliation: AMOLF -Telephone: 020-7547100 -Email: [email protected] 1c. Title of research programme/project Light management in new photovoltaic materials (LMPV) 1d. Programme/project number FOM-131 (ISAAC 680.92.12.02)
Grant details 2. Recruitment efforts, assignments and purchase of equipment Since the start of the LMPV program in 2012, the personnel has strongly grown. Over 30 PhD students, postdocs, and three group leaders are now funded either directly through the LMPV grant or the additional grants acquired by the LMPV group leaders, see the Tables below. Personnel funded by the LMPV grant (situation 2019)
Name Position Group Start date End date LMPV grant
Erik Garnett Group leader Garnett 1‐9‐2012 NWO part
Bruno Ehrler Group leader Ehrler 1‐11‐2014 NWO part
Esther Alarcon Llado Group leader Alarcón Lladó 1‐2‐2016 AMOLF part
Tianyi Wang PhD student Ehrler 1‐12‐2014 31‐3‐2019 NWO part
Dibyashree Koushik PhD student Creatore/Kessels 1‐6‐2015 31‐5‐2019 NWO part
Mark Aarts PhD student Alarcón Lladó 16‐6‐2016 15‐6‐2020 AMOLF part
Nasim Tavakoli PhD student Alarcón Lladó 16‐11‐2016 15‐11‐2020 AMOLF part
Jian‐Yao Zheng Postdoc Garnett 16‐10‐2018 15‐10‐2020 NWO part
Eline Hutter Postdoc Ehrler 1‐11‐2018 31‐12‐2019 NWO part
Marco Valenti Postdoc Alarcón Lladó 1‐04‐2018 31‐03‐2021 NWO part
Marc Duursma Technician LMPV 1‐1‐2015 31‐12‐2020 NWO part
Hans Zeijlemaker Technician LMPV 1‐1‐2017 15‐11‐2020 AMOLF part
Wim Sinke Advisor (0.1 fte) Polman 1‐4‐2013 NWO part
Albert Polman Programme leader Polman 1‐9‐2011 AMOLF
Personnel funded by additional PV grants acquired by the LMPV group leaders (situation 2019) Name Position Group Start date End date Grant
Jenny Kontoleta PhD student Garnett 1‐9‐2015 6‐9‐2019 NWO PHNA
Moritz Futscher PhD student Ehrler 1‐12‐2015 30‐11‐2019 FOM projectruimte
Benjamin Daiber PhD student Ehrler 1‐9‐2016 31‐8‐2020 TKI program
Verena Neder PhD student Polman 16‐9‐2016 31‐5‐2021 UvA/NWO‐JSP3
Harshal Agrawal PhD student Garnett 16‐10‐2016 15‐10‐2020 VIDI
Christian Dieleman PhD student Ehrler 16‐1‐2017 15‐2‐2021 AMOLF/ARCNL
Andrea Cordaro PhD student Polman 1‐9‐2017 31‐8‐2020 UvA
Tom Veeken PhD student Polman 16‐9‐2017 15‐9‐2021 NWO‐Philips IPP
Stefan Tabernig PhD student Polman 16‐10‐2018 15‐10‐2022 NWO Mat4Sus
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Hongyu Sun PhD student Garnett 1‐10‐2018 30‐09‐2022 NWO JSP3
Julia van der Burgt PhD student Garnett 11‐12‐2017 10‐12‐2021 NWO Mat4Sus
Loreta Muscarella PhD student Ehrler 1‐1‐2018 31‐12‐2021 VIDI
Lucie McGovern PhD student Ehrler 8‐1‐2018 7‐01‐2022 VIDI
Sylvia Ferro PhD student Ehrler 1‐3‐2019 28‐2‐2023 NWO Mat4Sus
Yorick Bleiji PhD student Alarcon Llado 1‐09‐2019 31‐08‐2023 JSP3
Susan Rigter PhD student Garnett 16‐11‐2019 15‐11‐2023 AMOLF/UvA
Eitan Oksenberg Postdoc Garnett 1‐12‐2018 30‐11‐2020 Top sector energy
Biplap Patra Postdoc Garnett 1‐11‐2016 31‐10‐2019 VIDI
Nick Schilder Postdoc Polman 1‐1‐2017 31‐12‐2019 ERC
Sven Askes Postdoc Garnett 1‐6‐2017 31‐8‐2022 NWO PHNA/VENI
Kelly Mauser Postdoc Polman 16‐5‐2019 15‐5‐2022 ERC
Paula Bronsveld Guest (0.2 fte) Polman 1‐12‐2017 31‐12‐2019 ECN
Mike Ah Sen Guest (0.2 fte) Polman 1‐10‐2018 31‐12‐2019 ECN
New positions 2020
Gianluca Grimaldi Postdoc Ehrler Cambridge‐AMOLF
Juliane Borchert Postdoc Alarcon Llado Cambridge‐AMOLF
Vacancy Postdoc Garnett Cambridge‐AMOLF
Imme Schuringa PhD student Ehrler ENW‐Klein
Vacancy PhD student Alarcon Llado TTW‐HTSM
Van Nielen PhD student Polman TTW‐HTSM
Vacancy Postdoc Ehrler LMPV NWO part
Until 31-12-2019, LMPV has trained 10 PhD students and 12 postdocs that have moved on to their next job after LMPV. Five PhD students were directly funded by LMPV: Sander Mann (cum laude), Sebastian Oener, Freddy Rabouw (cum laude), Tianyi Wang, and Dibyashree Koushik; and five PhD students were funded by external grants acquired by the LMPV group leaders: Jorik van de Groep (cum laude), Lourens van Dijk, Parisa Khoram, Gede Adhyaksa, and Jenny Kontoleta. An overview of the 22 PhD students and postdocs that have completed their term at LMPV is given in the Table below, together with their present employer. Name PhD/PD Year New position Type Coun
try
1 Bonna Newman Postdoc 2014 TNO Solar Technology NL
2 Jorik van de Groep PhD student 2015 Stanford University; University of Amsterdam
Assistant professor NL
3 Jia Wang Postdoc 2015 ASML Industry NL
4 Freddy Rabouw PhD student 2015 ETH, Zurich; Utrecht University Assistant professor NL
5 Lourens van Dijk PhD student 2016 Exasun Industry NL
6 Daniel Paardekooper Postdoc 2017 NASA JPL; Leiden University Academic ‐ other NL
7 Mark Knight Postdoc 2017 Northrop Grumman Next Technology USA
8 Lai‐Hung Lai Postdoc 2017 VisEra Industry NL
9 Sarah Brittman Postdoc 2017 Naval Research Laboratory, University of California
Technology USA
10 Beniamino Sciacca Postdoc 2017 TNO, CNRS Assistant professor FR
11 Sander Mann PhD student 2017 Univ. Texas at Austin; CUNY New York
Postdoc USA
12 Sebastian Oener PhD student 2017 Univ. Oregon; Helmholtz Center Berlin
Postdoc DE
13 Eric Johlin Postdoc 2018 Western University Assistant professor USA
14 Sophie Meuret Postdoc 2018 CEMES ‐ CNRS Assistant professor FR
15 Parisa Khoram PhD student 2018 Roland Berger consulting Other NL
16 Gede Adhyaksa PhD student 2018 Nanyang Technological University
Academic ‐ other SIN
17 Ju Min Lee Postdoc 2018 LG Electronics Industry KO
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18 Jenny Kontoleta PhD student 2019 Other NL
19 Biplab Patra Postdoc 2019 CSIR‐IMMT Academic ‐ other IN
20 Eline Hutter Postdoc 2019 Utrecht University Assistant professor NL
21 Dibyashree Koushik PhD student 2019 Eindhoven University of Technology
Postdoc NL
22 Tianyi Wang PhD student 2019 Helmholtz Center Berlin Postdoc DE
Present employer of the 22 PhD students and postdocs that have completed their research within LMPV.
3. Realisation programme/project expenses Not applicable.
Specific progress in the reporting period 4. Specific aims of the reporting period The FOM/NWO Focus Group “Light Management in New Photovoltaic Materials” (LMPV) was established at AMOLF in 2012, as one of the strategic initiatives of FOM to strengthen research on renewable energy in the Netherlands. The goal of the LMPV program is to develop fundamental understanding of the interaction of light with photovoltaic nanomaterials, and apply this knowledge to -eventually- realize photovoltaic conversion concepts that surpass existing technology. The LMPV research program targets three long-term efficiency goals: (1) towards 30% efficiency: light coupling, trapping and carrier collection geometries to reach or stretch the ultimate limits of Si technology; (2) 30-40% efficiency: hybrid solar cell geometries based on organic/inorganic materials, and thin-film/wafer-Si tandem cells; (3) beyond 40% efficiency: novel III-V nanowire geometries and other hybrid material combinations on the nanoscale. The program brings together expertise in fundamental nanophotonics, materials synthesis, device physics, spectroscopy, nanofabrication, and nanocharacterization.
Achieving the goals of the program requires synthesis and development of entirely new materials and solar cell architectures. Fundamental research on hybridizing strategies is needed to combine concepts from dielectrics and metamaterials, to managing light on length scales from the molecular scale to that of a solar panel, and to harness extreme materials properties to reach the efficiency limits governed by reciprocity and thermodynamics. The primary goal of the LMPV program is to achieve fundamental understanding of basic physical phenomena that are relevant for future (>5-10 years) application in photovoltaics. In many cases, demonstrator devices are made as well, either at AMOLF or with external collaborators.
The LMPV Focus Group research is carried out under the supervision of three group leaders that were hired at AMOLF on a tenure-track position (Erik Garnett, Bruno Ehrler, Esther Alarcón Llado) and the program leader, Albert Polman. In 2017, Erik Garnett received tenure at AMOLF and was appointed professor by
Assistant professor
Academic ‐other
Postdoc
Other
Technology Institute
Industry
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special appointment at the UvA. In 2019, Bruno Ehrler received tenure at AMOLF. Aside from the research at AMOLF, the LMPV program has funded two satellite PhD projects in the groups of Daniel Vanmaekelbergh (UU) and Ruud Schropp (later Adriana Creatore/Erwin Kessels) (TUE).
The LMPV Focus Group is funded by FOM/NWO (5.400 k€) and AMOLF (2.270 k€) for the period 2011-2020. The four research groups also acquire additional funds to expand their groups. So far 15.5 M€ was raised from projects funded by FOM, NWO, TKI, ERC, etc.. These external funds are an essential aspect of the LMPV program, and have enabled the program to grow to its present size of 35 researchers (excluding masters students). 5. Deviations from original plan The LMPV program is fully on schedule. 6. Programme/project results of the reporting period 6a. Scientific highlights Understanding how local crystal misorientation influences non-radiative recombination Gede Adhyaksa and Hongyu Sun (group Garnett) We used electron backscatter diffraction (EBSD) images to map the local crystal orientations in thin films of CH3NH3PbI3 (MAPI), the archetypal halide perovskite for photovoltaics, and acquired co-aligned confocal optical photoluminescence (PL) microscopy images on the same MAPI samples used for EBSD. The PL was anticorrelated with the local grain orientation spread taken near the film surface, suggesting that grains with higher degrees of crystalline orientational heterogeneity exhibit more non-radiative recombination. These results may explain why the expected correlation between grain size and photovoltaic performance has been difficult to observe in halide perovskite solar cells. Perovskites of all bandgaps can be stabilized thermodynamically Eline Hutter (group Ehrler) Halide perovskite semiconductors are the most likely material for the next generation of solar cells. One of the unique features is the tunability of the bandgap energy by mixing the halides in the perovskite. However, these mixed-halide perovskite materials are not stable under illumination because the halides separate. We have shown with pressure-dependent ultrafast transient absorption measurements that the thermodynamic stability of the mixed-halide perovskites can be tuned by changing the crystal size. As a result, any halide composition can be stabilized with the suitable compression. We further show that the compression can be applied externally or with chemical pressure by replacing the cations with smaller ones. Understanding ion dynamics for material growth Mark Aarts (group Alarcón Llado) We have demonstrated the controlled electrochemical deposition of metal nanostructures on a substrate by using nanoscale electrodes. The nanoelectrode, which is controlled by either an atomic force or scanning tunnelling microscope, drives the reaction by periodically perturbing the local electronic condition of the liquid-solid interface. Our unique approach provides insights into ion behavior and liquid-solid interface dynamics, which has strong impact beyond controlled additive nanofabrication such as in solar fuels, electrocatalysis or batteries. Less can be more; reaching high PV efficiency with smart arrangement of nanostructures Nasim Tavakoli (group Alarcón Llado) Hyperuniform architectures allow a precise k-space engineering of their scattering properties which can lead to highly-efficient light trapping in solar energy devices. In this regards, we designed a hybrid tandem solar cell based on a periodic nanowire array cell on top of thin film silicon cell that optimizes light absorption with minimal material usage. The discrete Bragg peaks of the periodic architecture along with the size-dependent waveguiding properties in the nanowires have been exploited to enhance light
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absorption in both cells. In particular, integrated absorption in the bottom cell is improved up to a factor 3 as compared to the case without the nanowires on top.
Fabrication of crystalline III-V semiconductors at room temperature Marco Valenti (group Alarcón Llado) III-V alloys are semiconductors with promising composition and size dependent optoelectronic properties for a variety of applications including photovoltaics. However, current fabrication methods of III-V films and nanostructures rely on the use of energetically expensive systems (i.e. vacuum, high temperature). By contrast, we have successfully fabricated large-area (~0.5 cm2) crystalline InAs nanoparticles on In at room temperature in a water-based solution. Raman spectroscopy and transmission electron microscopy reveal the crystalline nature of the InAs. We have studied the role of growth potential on the crystal grain size through phonon confinement analysis. In particular, we have found that the average crystal correlation length of the InAs nanocrystals decreases for potentials larger than a critical value, at which InAs is no longer stable.
Atomic layer deposition for solar cell passivation Dibyashree Koushik (group Creatore/Kessels) The last part of Dibyashree Koushik's PhD work (Jan-May 2019) was dedicated to finalize publications based on the research activities that were carried out in 2018 and to conclude the writing phase of her PhD thesis. Four peer-reviewed articles were published. Resonant metagratings for spectral and angular control of light for colored rooftop photovoltaics Floris Uleman, Verena Neder (group Polman) We designed and fabricated semi-transparent metagratings composed of Si Mie resonators with a Lambertian-like scattering distribution in (only) the 30-75 angular range. The metagratings nearly fully suppress specular reflection on resonance while 10% of the incoming light around the resonance is scattered into the selected angular range creating a bright red appearance. Si heterojunction solar cells with integrated metagrating supercells show a reduction in external quantum efficiency matching the resonant scattering spectral range, while the short circuit current is only reduced by 13%. 6b. Valorisation, outreach and patents See under 10. 6c. Status Milestones & Deliverables This work concerns long-term fundamental research and does not involve milestones and deliverables; it targets high-quality science. 6d. Status secondments Not applicable. 6e. Added value of the programme The LMPV program acts as a strong team with many collaborations between the four groups. Laboratory equipment, cleanroom facilities and optical characterization tools are shared between groups. Several teams of PhD students/postdocs from different groups work on joint projects.
LMPV progress meetings
The LMPV program holds quarterly Progress Meetings at AMOLF. Each meeting has the following schedule: - Invited presentation by an external speaker from another Dutch university/institute. - Oral presentation of new LMPV team members presenting their project goal and planning. - Poster session at which all LPMV team members present their work.
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- 1-slide oral presentations of all collaborative projects between two or more research groups. - Plenary discussion on new developments, equipment, collaborations.
LMPV/Nanophotonics colloquia, meetings
The LMPV program is tightly incorporated in the Center for Nanophotonics at AMOLF. This encourages our researchers to incorporate the latest developments in fundamental nanophotonics in solar cell devices. Every week, AMOLF’s Nanophotonics department, which is composed of seven research groups including the four LMPV groups, holds the “Nanophotonics colloquium”. The program is alternatingly a colloquium in which two PhD students, postdocs or master students give a 45 min. presentation, or a poster session in which every group presents one or two posters. The seven Nanophotonics/photovoltaics group leaders hold a weekly work lunch to coordinate activities and discuss recent developments. In addition, the four LMPV group leaders hold a bi-weekly meeting to discuss LMPV-related items.
AMOLF Sustainability team
PhD students, postdocs and master students at AMOLF teamed up to form the “Sustainability Team”. This self-organized group is aware of climate change and wants to learn and discuss about sustainability. The goal is to build a community that support ideas towards a greener culture at AMOLF via different activities and actions. In regular lunch meetings that are open for everyone to join, the group meets to share ideas and thoughts, watch documentaries, read papers or plan activities.
LMPV summer symposia
The LMPV program holds a yearly summer symposium for which the entire Dutch PV research community is invited. In 2019, Erik Garnett, Bruno Ehrler, Esther Alarcón Llado and Peter Schall (UvA) served as symposium chairs. The LMPV summer symposium on August 30, 2019 attracted around 80 attendees. Plenary speakers were Thomas Kirchartz (FZ Jülich, University Duisburg-Essen): Luminescence-based characterization of lead-halide perovskite solar cells, Jean-François Guillemoles (CNRS, Paris): Imaging the thermodynamic conversion of energy, Detlef van Vuuren (PBL Netherlands Environmental Assessment Agency): Long-term energy scenarios to support the IPCC Climate Change assessment, and Anita Ho-Baillie (UNSW, Sydney): Optical and thermal management for perovskite solar cells including perovskite/Si tandems. An in-memoriam was held for our colleague Tom Gregorkiewicz (UvA) who passed away on July 7, 2019. As part of the symposium a lively poster session was held.
Impressions from 2019 LMPV summer symposium
In addition to the LMPV summer symposium, a Nanophotonics school was held at AMOLF, in which 125 PhD students and postdocs from many different countries came to AMOLF for a week to get trained in a broad range of nanophotonics topics. Twelve renowned nanophotonics and nanophotovoltaics experts from all over the world came to Amsterdam and gave tutorial and highlight talks. The overall quality of the school was ranked very highly by the attendees.
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On November 1, LMPV hosted the Dutch Scanning Probe Day, chaired by Esther Alarcon Llado, with over 100 attendees and an extensive company exhibition.
Impressions of 2019 Nanophotonics summerschool. June 17-21, 2019
Impressions of Dutch scanning probe workshop at AMOLF, November 1, 2019
National coordination of PV research
One of the LMPV programs’ goals is to help coordinate PV research in the Netherlands. Coordination can lead to enhanced collaboration between groups across the Netherlands, better sharing of resources, and more efficient transfer of ideas to applications. And in general, coordination increases the visibility and voice of PV science and technology in the Netherlands and abroad.
Albert Polman chaired a new strategy report “Materials – made in the Netherlands” that is meant to serve the strategic planning of NWO, including “materials for sustainable energy production and storage” as one of the nine themes. The NWO Theme Committee Materials Science, chaired by Polman, oversees programmatic materials calls within NWO for the Materials Strategy Plan, one of which is Materials for Sustainability (2018, Mat4Sus, 9 M€). The theme committee also manages the route “Materials – made in Holland” within the National Science Agenda (NWA), in which research on photovoltaic materials is one of the key themes. In November 2019 a workshop was held at AMOLF that attracted 80 participants, with the aim to help form consortia that would submit proposals to the NWA Call in September 2020, several of which in energy research.
Impressions of NWA Materials workshop at AMOLF, November 26, 2019
National PV research network SOLARLab
In 2017, LMPV took the initiative to bring together all Dutch PIs in PV research in order draft a joint strategic vision for photovoltaics research in the Netherlands. The 35 PIs represent over 180 PhD students
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and postdocs at academic institutions, and over 100 technical specialists at ECN and TNO. The national PV network, named SOLARLab, aims to carry out a national joint research program towards ultrahigh-efficiency and low-cost photovoltaics. It is led by a Steering committee composed of Albert Polman (chair), Maria Loi (RUG), René Janssen (TUE), Arno Smets (TUD), Wim Sinke (ECN part of TNO), and Ronn Andriessen (TNO/Solliance). The Steering committee held several meetings in 2019.
The aim of the Steering committee is to coordinate national PV research. Being a community that is organized on a national scale is beneficial when funding becomes available for large-scale initiatives such as the NWA (top-down and bottom-up calls), new calls within the Knowledge and Innovation Convenant (KIC), mission-driven knowledge and innovation programs for the national climate agreement, and the new innovation fund announced by the Dutch government. These activities are carried out together with the Dutch PV industry (represented by Dr. Jan-Marc Luchies) and TNO Solar (represented by Drs. Harm Jeeninga).
In 2019 the Steering committee initiated two new PV programs that were submitted to NWA call in 2019; both have been selected for the second full-proposal round. One proposal (led by prof. Maria Loi, RUG) focuses on thin-film perovskite tandem solar cells; the other (led by prof. Angèle Reinders, TUE) focuses on integration of solar PV in our environment and the social acceptance of PV technology in our society.
International collaborations
LMPV has strong ties with many universities and institutes worldwide. Some notable collaborations are with the School for Photovoltaic Energy Engineering (SPREE) at the University of New South Wales (several joint projects, joint supervision of a PhD student), the University of Cambridge (see below, collaborative research program with joint supervision of 3 postdocs), and the Fraunhofer Institute for Solar Energy Systems (ISE, Freiburg, drafting a collaborative research program to be submitted in 2020)
New projects awarded to LMPV in 2019
In 2019, a major grant was awarded by the UK Engineering and Physical Sciences Research Council (EPSRC) for a research program that will be jointly carried out by the PV team at the University of Cambridge led by prof. Richard Friend and the LMPV team. Three post-docs will be hired from this grant and will work both in Cambridge and at AMOLF. Significant funds for travel and knowledge exchange for other LMPV team members were also awarded. The LMPV team paid a visit to Cambridge to discuss the collaboration topics with the collaborating PIs. Several additional grants were awarded to LMPV in 2019, and are listed in the Table below. The total amount of project funding acquired by LMPV since the start of the program in 2012 is 15.660 k€. This is 2.9 times the initial FOM/NWO grant. Funding Agency PI Project title Collaborators Budget (k€)
UK Engineering and Physical Sciences Research Council (EPSRC)
Friend, Greenham, Rao, Stranks, (Cambridge) Ehrler, Garnett, Alarcon Llado, Polman (AMOLF)
Cambridge‐AMOLF Collaboration on photonic and optoelectronic control of thin‐film LEDs and solar cells
Cambridge University
1.166 (583 k€ spent at
AMOLF)
NWO ENW‐Klein Ehrler Where do we lose potential in perovskite solar cells
TUD 305
NWO TTW‐HTSM Alarcon Llado Directed 3D nanofabrication with
Nanonics 479
LMPV group leaders in Cambridge, April 29, 2019
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electrochemical scanning probes
NWO TTW‐HTSM Polman Time‐resolved pump‐probe cathodoluminescence microscopy for materials analysis
Thermo Fisher Delmic
395
ThermoFisher Polman Phenom XL table‐top SEM (in‐kind)
Delmic 100
TOTAL
1.682
In addition to the grants acquired by the LMPV group leaders, two LMPV postdocs were awards NWO VENI grants of 250 k€ each: Sven Askes (Garnett group): Hot electrons to improve light-to-heat anticancer therapy and Eline Hutter (Ehrler group): Semiconductor of the future. Askes will carry out his VENI project within LMPV at AMOLF; Hutter will carry it out in her new position as assistant professor at Utrecht University.
NWO VENI grants for Sven Askes and Eline Hutter
NON CONFIDENTIAL Results / highlights 7. Results and highlights of the reporting period of interest to the general public Dit onderzoekprogramma richt zich op het ontwikkelen van nieuwe materialen en structuren voor het maken van zonnecellen met een hoger rendement die kunnen worden gemaakt voor lagere kosten, en gebruikt in speciale toepassingen. We kregen beter begrip van de relatie tussen kristallietgrootte en elektrische eigenschappen in perovskietzonnecellen en vonden dat de stabiliteit kan worden verbeterd door de kristalgrootte te optimaliseren. We ontwikkelden beter begrip van elektrochemische depositie van metalen op de nanoschaal wat relevant is voor het fabriceren van metaalcontacten op zonnecellen. Met een nieuw elektrochemisch proces groeiden we InAs structuren; dit opent de weg naar een simpele fabricagemethode van III-V zonnecelmaterialen met hoog rendement. We ontwierpen een speciaal patroon van III-V halfgeleidernanodraden op een Si zonnecel waarmee zonlicht beter kan worden opgesloten in een tandemzonnecel. Daarnaast ontwikkelden we een geometrie om gekleurde zonnepanelen te maken met een hoekafhankelijk aanzicht.
Plan for next reporting period 8. Plan for next reporting period The focus for Garnett’s group for the next year will be on using directional emission in nanophotonic structures to remove the waveguide from luminescent solar concentrators. This radically different design can eliminate the major loss mechanisms of reabsorption and waveguide escape, providing the potential for huge performance enhancements. We will use a reciprocity-inspired synthesis where metasurfaces (Agrawal and Oksenberg) and nanophotonic lenses (van der Burgt) are used for light-induced synthesis of the emitters exactly in the locations they need to be placed for highly directional emission. This allows for
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a self-optimized structure and possibly even for random nanotextures to be used, bringing the cost down and enabling rapid scaling. The synthesis of the emitters will be done directly in glassy materials (Zheng), such that they are already embedded in a protective coating for high stability. Besides halide perovskites, the new family of chalcogenide perovskites will be explored for the emitter materials (Rigter).
Ehrler's group will study the unusual properties of halide perovskites for a better fundamental understanding of these materials and to develop entirely new devices. The electrons in halide perovskites distort the lattice, leading to changes in their behavior which we study with ultrafast spectroscopy (Muscarella). Conventional semiconductors conduct electrons upon a stimulus, for example light or electric fields. Halide perovskites do so, too, but they also conduct ions upon such stimuli. Ion migration is much slower than the migration of electrons, and its properties (activation energy, diffusion coefficient, density) can be tuned by orders of magnitude (McGovern with U Cambridge, EPFL). These properties make it an ideal candidate to build novel devices that mimic synapses and neurons, for building hardware-based artificial neural networks. We develop new devices with nanostructured quantum dots (Dieleman with ARCNL, ASML and Garnett & Polman groups), and LEDs with nanostructured outcoupling (Muscarella with Polman group and U Cambridge). Finally, we investigate how singlet fission, a downconversion process, could lead to much more efficient perovskite (Ferro with WUR, TUD, Surfix, Toyota, TNO) and silicon solar cells (Daiber with TNO, Oxford PV, DSM, Polman group).
LMPV group leaders at an outing, writing a perspective paper on PV, September 23, 2019 Alarcón-Llado’s group will continue exploring electrochemical methods for enabling new/cost effective solar energy conversion systems. We will create InAs/Si heterojunction solar cells with patterned In nanoparticles on Si and subsequently transforming them to InAs (Valenti). In the case of Si, the different chemical nature of the substrate and the InAs is a major advantage to analysing the final crystal (i.e. stoichiometry analysis). We will also investigate the nucleation and growth of III-V semiconductors with in-situ AFM (Aarts and Valenti). We will also develop a self-alignment method for metal nanowire grids as transparent contacts for top contacted Si cells (Bleiji with TNO/ECN, Polman group).
Polman’s group will continue the development of efficient light trapping geometries for earth-abundant CZTS, SbS/Se, quantum dot and interdigitated back contact Si solar cells (Tabernig, Cordaro, with UNSW). We will also develop light trapping and spectrum splitting layers for Si/perovskite tandem solar cells (Neder, with Solliance, Garnett group) and Si/III-V tandem solar cells (Cordaro, with Fraunhofer ISE). We will develop a novel nanostructured design for a Si heterojunction solar cell fully based on charge collection with passivating selective contacts (Neder, with TNO/ECN, TUE). Furthermore, we will investigate and optimize directional emission from quantum dots coupled to dielectric Mie resonators to enhance Si-based singlet fission solar cells (Veeken, with Ehrler group). We will also explore the growth of 2D transition-metal dichalcogenide heterostructures using chemical vapor deposition with tailored dipole moments and Stokes shifts that, when integrated with dielectric Mie resonators, may find applications in novel designs for luminescent solar concentrators (Veeken, with Caltech, Garnett group). We will also further explore the use of (pump-probe) cathodoluminescence lifetime and two-photon correlation imaging as a tool to characterize the electrical quality of PV materials (Liebtrau, Solá Garcia, Mauser).
Programme meetings
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9. Programme meetings Number of programme meetings held in this reporting period: 3
Meeting type Date Location Attendants LMPV quarterly meeting 3-4-2019 AMOLF 35 LMPV annular summer symposium
30-8-2019 UvA 80
LMPV quarterly meeting 27-11-2019 AMOLF 30
Dissemination of results 10. Dissemination activities of the results (personnel directly funded by LMPV underlined)
1. Academic publications
a. Peer reviewed publications
Since the start of LMPV in 2012, 153 articles from LMPV research (LMPV grant + additionally acquired grants) have been published in peer-reviewed international journals. Below, the papers published in 2019 are listed.
Personnel directly funded by LMPV (underlined)
1. J. Schefold, S. Meuret, N. Schilder, T. Coenen, H. Agrawal, E.C Garnett, A. Polman, Spatial resolution of coherent cathodoluminescence super-resolution microscopy, ACS Photonics, 6, 1067-1072, (2019)
2. S. Jariwala, H. Sun, G. W.P. Adhyaksa, A. Lof, L. A. Muscarella, B. Ehrler, E. C. Garnett, D. S. Ginger, Local Crystal Misorientation Influences Non-radiative Recombination in Halide Perovskites, Joule. 3, 3048-3060 (2019).
3. S.H.C. Askes, N.J. Schilder, E. Zoethout, A. Polman and E.C. Garnett, Tunable plasmonic HfN nanoparticles and arrays, Nanoscale 11, 20252 (2019)
4. E. Kontoleta, S.H.C. Askes and E.C. Garnett, Self-Optimized Catalysts: Hot-Electron Driven Photosynthesis of Catalytic Photocathodes, ACS Appl. Mater. Interfaces 11, 35713 (2019)
5. T.Y. Huang, R.R. Grote, S.A. Mann, D.A. Hopper, A.L. Exarhos, G.G. Lopez, G.R. Kaighn, E.C. Garnett and L.C. Bassett, A Monolithic Immersion Metalens for Imaging Solid-State Quantum Emitters, Nature Communications 10, 1 (2019)
6. D. Zhang, L. Gu, Q. Zhang, Y. Lin, D.H. Lien, M. Kam, S. Poddar, E.C. Garnett, A. Javey and Z. Fan, Increasing photoluminescence quantum yield by nanophotonic design of quantum-confined halide perovskite nanowire arrays, Nano Letters 19, 2850 (2019)
7. Y. Hu, G.W.P. Adhyaksa, G. DeLuca, A.N. Simonov, N.W. Duffy, E. Reichmanis, U. Bach, P. Docampo, T. Bein, E.C. Garnett, A.S.R. Chesman and A.N. Jumabekov, Perovskite solar cells with a hybrid electrode structure, AIP Advances 9, 125037 (2019)
8. L.A. Muscarella, E.M. Hutter, S. Sanchez, C.D. Dieleman, T.J. Savenije, A. Hagfeldt, M. Saliba and B. Ehrler, Crystal Orientation and Grain Size: Do They Determine Optoelectronic Properties of MAPbI3 Perovskite?, J. Phys. Chem. Lett. 10, 6010-6018 (2019)
9. M. Futscher, J. M. Lee, L. McGovern, L.A. Muscarella, T. Wang, M.I. Haider, A. Fakharuddin, L. Schmidt-Mende and B. Ehrler, Quantification of Ion Migration in CH3NH3PbI3 Perovskite Solar Cells by Transient Capacitance Measurements, Mater. Horiz. 6, 1497–1503, (2019).
10. L.A. Muscarella, D. Petrova, R. Jorge Cervasio, A. Farawar, O. Lugier, C. McLure, M.J. Slaman, J. Wang, B. Ehrler, E. von Hauff and R.M. Williams, Air-stable and oriented mixed lead halide perovskite (FA/MA) by one-step deposition method using zinc iodide and chloroamine additive, ACS Appl. Mater. Interfaces 11, 17555–17562, (2019).
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11. S. Jariwala, H. Sun, G.W.P. Adhyaksa, A. Lof, L.A. Muscarella, B. Ehrler, E.C. Garnett and D.S. Ginger, Local Crystal Misorientation Influences Non-radiative Recombination in Halide Perovskites, Joule 3, (12), 3048–3060, (2019)
12. M. Xiao, D. Shen, M. Futscher, B. Ehrler, K.P. Musselman, W. Duley, and N.Y. Zhou, Threshold Switching in Single Metal-Oxide Nanobelt Devices Emulating an Artificial Nociceptor, Adv.Electron.Mater., 1900595: 1–12, (2019).
13. V.M. Caselli, M. Fischer, D. Meggiolaro, E. Mosconi, F. De Angelis, S.D. Stranks, A. Baumann, V. Dyakonov, E.M. Hutter, and T.J. Savenije, Charge Carriers Are Not Affected by the Relatively Slow-Rotating Methylammonium Cations in Lead Halide Perovskite Thin Films, J. Phys. Chem. Lett. 10, (17), 5128–5134, (2019).
14. Tulus, S. Olthof, M. Marszalek, A. Peukert, L.A. Muscarella, B. Ehrler, O. Vukovic, Y. Galagan, S.C. Boehme, and E. von Hauff, Control of Surface Defects in ZnO Nanorod Arrays with Thermally Deposited Au Nanoparticles for Perovskite Photovoltaics, ACS Appl.Energy Mater. 2, (5), 3736–3748, (2019).
15. F. Podjaski, D. Weber, S. Zhang, L. Diehl, R. Eger, V. Duppel, E. Alarcon-Llado, G. Richter, F. Haase, A. Fontcuberta i Morral, C. Scheu, B. V. Lotsch, Rational strain engineering in layered oxides for Highly Efficient Hydrogen Evolution Catalysis in Acidic Media, Nature Catalysis, doi:10.1038/ s41929-019-0400-x (2019)
16. M. Aarts, E. Alarcon-Llado, Directed nanoscale metal deposition by the local perturbation of charge screening at the solid-liquid interface, Nanoscale 11, 18619 (2019),
17. N. Tavakoli, E. Alarcon-Llado, Combining 1D and 2D waveguiding in Ultrathin GaAs NW/Si Tandem Solar Cell, Optics Express 27, A909 (2019)
18. D. Koushik, L. Hazendonk, V. Zardetto, V. Vandalon, M.A. Verheijen, W.M.M. Kessels, M. Creatore, Chemical analysis of the interface between hybrid organic−inorganic perovskite and atomic layer deposited Al2O3, ACS Appl. Mat. Interfaces 11, 5526 (2019)
19. D. Koushik, M. Jost, A. Ducinskas, C. Burgess, V. Zardetto, C. Weijtens, M.A. Verheijen, W.M.M. Kessels, S. Albrecht, M. Creatore, Plasma-assisted atomic layer deposition of nickel oxide as hole transport layer for hybrid perovskite solar cells, J. Mat. Chem. C 7, 12532 (2019)
20. M. Jost, T. Bertram, D. Koushik, J. Marquez, M. Verheijen, M. Heinemann, E. Kohnen, A. Al-Ashouri, S. Braunger, F. Lang, B. Rech, T. Unold, M. Creatore, I. Lauermann, C. Kaufmann, T. Schlatmann, S. Albrecht, 21.6% efficient monolithic perovskite/CIGS tandem solar cells with thin conformal hole transport layers for integration on rough bottom cell surfaces, ACS Energy Letters 4, 583 (2019)
21. D. Koushik, F. Naziris, J. Melskens, A. Nusteling, V. Zardetto, H. Schut, W.M.M. Kessels, S.W. Eijt, M. Creatore, On the effect of atomic layer deposited Al2O3 on the environmental degradation of hybrid perovskite probed by positron annihilation spectroscopy, J. Mat. Chem. C 7, 5275 (2019)
Personnel funded by projects acquired by LMPV
22. Merging transformation optics with electron-driven photon sources, N. Talebi, M. Hentschel, S. Guo, S. Meuret, A. Polman, H. Giessen, P.A. van Aken, Nature Comm. 10, 599 (2019)
23. Probing the bandstructure of topological silicon photonic lattices in the visible, S. Peng, N. Schilder, X. Ni, J. van de Groep, A. Alú, A. Khanikaev, H.A. Atwater, and A. Polman, Phys. Rev. Let. 122, 117401 (2019)
24. Combined metagratings for efficient broad-angle scattering metasurface, V. Neder, A. Alu, Y. Ra’di, and A. Polman, ACS Photon. 6, 1010 (2019)
25. Nanoscale spatial limitations of large-area substrate-conformal nano-imprint lithography (SCIL), M.A. Verschuuren, M.W. Knight, M. Megens, and A. Polman, Nanotechnol. 30, 345301 (2019)
26. Electron beam spectroscopy for nanophotonics,A. Polman, M. Kociak and J. García de Abajo, Nature Mater. 18, 1158 (2019)
27. A. Cordaro, H. Kwong, A.F. Koenderink, A. Alù, and A. Polman, High-index dielectric metasurfaces performing mathematical operations, Nano Lett. 19, 8418 (2019)
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28. Electron-induced state transfer in diamond nitrogen-vacancy centers probed with pump-probe cathodoluminescence spectroscopy, M. Solà Garcia, S. Meuret, T. Coenen and A. Polman, ACS Photon. 7, 232 (2019)
29. Application and validity of the effective medium approximation to the optical properties of nanotextured silicon coated with a dielectric layer, T. Fung, T.P.N. Veeken, D. Payne, B. Vettil, A. Polman, and M. Abbott, Optics Express, 27, 38645 (2019)
30. Complementary cathodoluminescence lifetime imaging configurations in a scanning electron microscope, S. Meuret, M.M. Sola Garcia, T. Coenen, E. Kieft, H. Zeijlemaker, M. Latzel, S. Christiansen, S.Y. Woo, Y.H. Ra, Z. Mi, and A. Polman,”, Ultramicroscopy,197, 28, (2019)
31. Energy-Momentum Cathodoluminescence Imaging of Anisotropic Directionality in Elliptical Aluminium Plasmonic Bullseye Antennas, T. Coenen and A. Polman, ACS Photon. 6, 573 (2019)
32. Development of photovoltaic technologies for global impact, W.C. Sinke, Renewable Energy 138, 911 (2019)
33. J. Zhang, M. Futscher, V. Lami, F.U. Kosasih, C. Cho, Q. Gu, A. Sadhanala, A.J. Pearson, B. Kan, G. Divitini, X. Wan, D. Credgington, N.C. Greenham, Y. Chen, C. Ducati, Y. Vaynzof, R.H. Friend and A.A. Bakulin, Sequentially Deposited versus Conventional Nonfullerene Organic Solar Cells: Interfacial Trap States, Vertical Stratification, and Exciton Dissociation, Adv. Energy Mater. 9, 1902145 (2019).
34. A. Kooijman, L.A. Muscarella, and R.M. Williams, Perovskite Thin Film Materials Stabilized and Enhanced by Zinc(II) Doping, Appl. Sci. 9, 1678 (2019).
b. Publications in proceedings or other journals N/A
c. Contributions to scientific books (chapters or entire book)
N/A
d. PhD theses Personnel funded by LMPV
1. Photophysics of novel optoelectronic materials under hydrostatic pressure, T. Wang, University of Amsterdam, March 2019, Advisor: B. Ehrler
2. Designing interfaces in hybrid perovskite solar cells by atomic layer deposition, D. Koushik, Eindhoven University of Technology, September 2019, Advisors: M. Creatore and W.M.M. Kessels
Personnel funded from PV projects acquired by LMPV group leaders 1. E. Kontoleta, Photosynthesis of nanomaterials with optical resonances, University of Amsterdam,
Dec. 5, 2019, Advisor: E.C. Garnett
e. Open Access publications All papers above are Open Access.
2. Invited lectures, posters, awards and other activities
a. Invited lectures at international conferences and meetings
Personnel directly funded by LMPV 1. “What can nano really do for solar?”, Erik Garnett, Plenary keynote, European Conference for
Advanced Surface and Interface Analysis (ECASIA), 15 September 2019, Dresden, DE 2. “What can nano really do for solar?”, Erik Garnett, Journées Scientifiques de Porquerolles, 24
September 2019, Porquerolles, FR 3. “Cavity Catalysis”, Erik Garnett, CHAINS, 10 December, 2019, Veldhoven, NL 4. Bruno Ehrler, Towards efficient and stable perovskite/silicon tandem solar cells, International
Conference on Hybrid and Organic Photovoltaics (HOPV), Rome, May 2019 5. Bruno Ehrler, The efficiency potential of singlet fission solar cells, MRS Spring meeting, Phoenix,
April 2019
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6. Bruno Ehrler, Towards efficient and stable perovskite/silicon tandem solar cells, Materials for Clean Energy Conference, London April 2019
7. Bruno Ehrler, Ion Migration in Halide Perovskites, Quantsol Winter Workshop, Rauris, March 2019
8. Esther Alarcon Llado, Winterschool IWEPNM, “The photonics of semiconductor nanostructures for new solar energy conversion concepts”, Kirchberg, Austria
9. Ester Alarcon Llado, International Conference of Quantum, Nonlinear and Nanophotonics’2019 (ICQNN), “Manipulating light and matter at the nanoscale”, Sofia, Bulgaria
10. Esther Alarcon Llado, ACS Southwest-Rocky Mountain Regional Meeting, “Photonics of semiconductor nanowires for new solar energy conversion concepts”, El Paso TX, USA
11. A. Polman, Light management and the dream of photovoltaic energy for 0.01 €kWh (keynote), Next-Gen: IV PV Materials, Groningen, June 9-12, 2019
12. A. Polman, Silicon metasurfaces performing mathematical operations (keynote), ICMAT 2019, Singapore, June 23-29, 2019
13. A. Polman, Photovoltaic Energy: Innovation and scalability to meet climate goals, International School for Materials for Energy and Sustainability, Caltech, Pasadena, CA, USA, July 21-27, 2019
14. A. Polman, Nanoscale (in-)coherent optical excitations in the electron microscope (plenary), Nanophotonics and Micro/Nano Optics International Conference, Munich, September 4-6, 2019
15. A. Polman, Nanoscale (in-)coherent optical excitations in the electron microscope (plenary), IEEE-NMDC 2019, Stockholm, October 27-30, 2019
Personnel funded from projects acquired by LMPV group leaders
1. V. Neder, Nano-particle coatings for colored PV, 14th Conference on Advanced Building Skins 2019, October 28-29, Bern, Switzerland
b. Invited (inter)national seminars Personnel directly funded by LMPV
1. Erik Garnett, “Novel routes to control crystallinity”, UvA soft matter meeting, 14 June, 2019, Amsterdam, NL
2. Erik Garnett, “Opportunities for nanoscience in perovskite PV”, Solliance meeting, 7 November, 2019, Eindhoven, NL
3. Bruno Ehrler, Singlet Fission for Silicon Solar Cells, Sunday Conference, Bussum, 13-11-2019 4. Bruno Ehrler, Singlet Fission for Solar Cells & LSCs, LSC Workshop, Eindhoven, 15-11-2019 5. Moritz Futscher, Quantification of mobile ions in halide perovskite devices using capacitance
techniques, EPFL, Lausanne, 3-10-2019 6. Esther Alarcon Llado, “Dynamic perturbation of the electrical double layer with an
electrochemical AFM for confined metal electrodeposition”, NextGenChem@NL 2019, Maastricht (2019)
7. Esther Alarcon Llado, “Manipulating light and matter at the nanoscale”, Differ (2019) 8. Esther Alarcon Llado, “Using Semiconductor Nanostructures in Novel Device Concepts for Solar
Energy” (I) and (II), Free University of Madrid (UAM) (2019) 9. Esther Alarcon Llado, “Semiconductor nanowires for new PV concepts”, Focus session,
Physics@Veldhoven 10. Albert Polman, Silicon-based optical metasurfaces, Macquarie University, Sydney, Australia,
February 28, 2019 11. Albert Polman, (in)coherent cathodoluminescence for nanophotonics, Q-SORT workshop,
Erlangen, July 2-5, 2019 12. Albert Polman, (In)coherent optical excitations in the electron microscope, University of
Göttingen, October 17, 2019 13. Albert Polman, Optical metasurfaces for advanced PV design, Fraunhofer Institute for Solar
Energy Systems, Freiburg, December 17, 2019
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c. Other lectures, posters and contributed talks
Personnel directly funded by LMPV 1. Eline Hutter, Manipulating halide segregation in mixed-halide perovskites with pressure, Nanoge
Fall meeting, Berlin, 5 Nov 2019 2. Mark Aarts, 2 oral contributions to MRS Fall Meeting (USA), 2019 3. Marco Valenti, poster contribution to MRS Fall Meeting (USA), 2019 4. Mark Aarts, oral contribution to ANNIC19 (France), 2019 5. Nasim Tavakoli, oral contribution to ANNIC19 (France), 2019 6. Marco Valenti, oral contribution to ANNIC19 (France), 2019 7. Marco Valenti, poster presentation to Nanophotonics Summer School (NL), 2019 8. Nasim Tavakoli, poster presentation to Nanophotonics Summer School (NL), 2019 9. Mark Aarts, poster presentation to Nanophotonics Summer School (NL), 2019 10. Mark Aarts, oral contribution to Physics@Veldhoven (NL), 2019 11. Nasim Tavakoli, poster presentation at Physics@Veldhoven, 2019 12. Marco Valenti, poster presentation at Physics@Veldhoven, 2019
Personnel funded from projects acquired by LMPV group leaders 1. “Single Crystals from Solution at Room Temperature via Assembly and Epitaxy of Nanocubes”,
Harshal Agrawal, MRS contributed talk, 2 December 2019, Boston, USA 2. “Direct and Simultaneous Absorption and Scattering Measurements of Single Plasmonic Particles
Using Integrating Sphere Microscopy”, Eitan Oksenberg, MRS contributed talk, 5 December 2019, Boston, USA
3. “Self-optimized Photocatalysts: Hot-electron Driven Selective Photo-synthesis of Catalytic Nanoparticles” Jenny Kontoleta, MRS contributed talk, 24 April 2019, Phoenix, USA
4. “Direct and Simultaneous Absorption and Scattering Measurements of Single Plasmonic Particles Using Integrating Sphere Microscopy” Eitan Oksenberg, July 30 2019, Plasmonically-Powered Processes GRC poster, Hong Kong
5. “Direct and Simultaneous Absorption and Scattering Measurements of Single Plasmonic Particles Using Integrating Sphere Microscopy” Eitan Oksenberg, November 6 2019, Solar to product symposium poster, DIFFER, Eindhoven
6. “Direct and Simultaneous Absorption and Scattering Measurements of Single Plasmonic Particles Using Integrating Sphere Microscopy” Eitan Oksenberg, December 10 2019, CHAINS poster, Veldhoven
7. “Toward Monocrystalline Materials via Nanocubes Assembly and Epitaxy”, Crystal Growth and Assembly GRC poster, June 23-28 2019, New Hampshire, USA
8. “Curved (Single) Crystals from Solution at Room Temperature”, Harshal Agrawal, NNT 2019 contributed talk, October 15 2019, Boston, USA
9. “Single Crystals from Solution at Room Temperature via Assembly and Epitaxy of Nanocubes”, Harshal Agrawal, MRS contributed talk, December 2 2019, Boston, USA
10. “Directivity for solar cells”, Julia van der Burgt, Solar2Products symposium, November 6 2019, DIFFER, Eindhoven
11. “Towards efficient plasmonic photochemistry”, Sven Askes, Twente University, December 16, 2019
12. Loreta Muscarella, Physics behind solar cells, Lecture at Kaj Munk College, Hoofdoorp, February 2019,
13. Loreta Muscarella, Crystal orientation and grain size: do they determine optoelectronic properties of MAPbI3?, NanoGe Fall Meeting 2019, Berlin, 4 Nov 2019 (oral)
14. Loreta Muscarella, Crystal orientation and grain size: do they determine optoelectronic properties of MAPbI3?, XLVII National meeting of the Physical Chemistry Division of the Italian Chemistry Society, Rome, 1st July 2019 (oral)
15. Loreta Muscarella, Impact of Flash Infrared Annealing on Growth and Photophysics of MAPbI3 perovskite, MRS Spring Meeting 2019, Phoenix, April 2019 (oral)
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16. Lucie McGovern, Ion Migration in MAPbBr3 solar cells, MRS Spring Meeting 2019, Phoenix, 24 April 2019 (oral)
17. Lucie McGovern, How ion migration affects perovskite solar cells, MRS Spring Meeting 2019, Phoenix, 26 April 2019 (oral)
18. Lucie McGovern, Quantifying ion migration in MAPbBr3 solar cells as a function of grain size, PSCO, Lausanne, 26 October 2019 (oral)
19. Christian Dieleman, Direct patterning of CQDs with e-beam lithography, MRS Spring Meeting 2019, Phoenix, USA, 25 April 2019 (oral)
20. Christian Dieleman, Universal direct patterning of colloidal quantum dots with (Extreme) UV and e-beam lithography, AMOLF/ARCNL meeting, Amsterdam, NL, 16 October 2019 (oral)
21. Moritz Futscher, The effect of manganese doping on mobile ions in perovskite light-emitting diodes, nanoGe Fall Meeting, Berlin, Germany, November 4-8, 2019 (oral)
22. Moritz Futscher, Quantification of ion migration in halide perovskites with potassium passivation, E-MRS Spring Meeting, Nice, France, May 27-31, 2019 (oral)
23. Moritz Futscher, Quantification of ion migration in halide perovskites with potassium passivation, HOPV 2019, Rome, Italy, May 12-15, 2019 (oral)
24. Benjamin Daiber, Unravelling the transfer mechanisms in singlet fission solar cells between organic-inorganic layers, Physics@Veldhoven, Veldhoven, The Netherlands, Jan. 22-23, 2019 (oral)
25. Benjamin Daiber, Why and how organic Singlet Fission materials could enhance the efficiency of silicon solar cells, SiliconFOREST, Feldberg-Falkau, Germany, Februar 24-27, 2019 (oral)
26. Benjamin Daiber, Efficiency Potential of Singlet Fission Enhanced Silicon Solar Cells using Different Energy Transfer Schemes, HOPV 2019, Rome, Italy, May 12-15, 2019 (oral)
27. Benjamin Daiber, Efficiency potential of singlet fission-silicon solar cells, Next-Gen IV PV Materials 2019, Groningen, The Netherlands, June 9-12, 2019 (oral)
28. Benjamin Daiber, Efficiency potential of singlet fission-silicon solar cells, nanoGe Fall Meeting, Berlin, Germany, November 4-8, 2019 (oral)
29. Benjamin Daiber, Efficiency Potential of Singlet Fission Enhanced Silicon Solar Cells using Different Energy Transfer Schemes, MRS Fall Meeting, Boston, United States of America, December 2-6, 2019 (oral)
30. Loreta Muscarella, Crystal orientation and grain size: do they determine optoelectronic properties of MAPbI3?, AMOLF- ARCNL Meeting 2019, Amsterdam, October 2019 (poster)
31. Loreta Muscarella, Hot carrier cooling in hybrid perovskite under hydrostatic pressure probed by Transient Absorption Spectroscopy, Next-Gen: IV PV Materials Groningen, July 2019 (poster)
32. Loreta Muscarella,Impact of Flash Infrared Annealing on Growth and Photophysics of MAPbI3 perovskite, Next-Gen: IV PV Materials Groningen, July 2019 (poster)
33. Loreta Muscarella, Hot carrier cooling in hybrid perovskite under hydrostatic pressure probed by Transient Absorption Spectroscopy, HOPV 2019, Rome, May 2019 (poster)
34. Loreta Muscarella, Impact of Flash Infrared Annealing on Growth and Photophysics of MAPbI3 perovskite, HOPV 2019, Rome, May 2019 (poster)
35. Loreta Muscarella, Hot carrier cooling in hybrid perovskite under hydrostatic pressure probed by Transient Absorption Spectroscopy, MRS Spring Meeting 2019, Phoenix, April 2019 (poster)
36. Loreta Muscarella, Impact of Flash Infrared Annealing on Growth and Photophysics of MAPbI3 perovskite, MRS Spring Meeting 2019, Phoenix, April 2019 (poster)
37. Loreta Muscarella, Impact of Flash Infrared Annealing on Growth and Photophysics of MAPbI3 perovskite, Physics@Veldhoven 2019, Veldhoven, January 2019 (poster)
38. Lucie McGovern, Managing triplet excitons in singlet fission sensitized pentacene solar cells, Physics@Veldhoven 2019, Veldhoven, 22 January 2019 (poster)
39. Lucie McGovern, Towards more stable perovskites: Ion Migration in MAPbBr3 solar cells, RCS Twitter conference, March 2019 (poster)
40. Lucie McGovern, Ion Migration in MAPbBr3 solar cells, MRS Spring Meeting 2019, Phoenix, 24 April 2019 (poster)
41. Lucie McGovern, Ion Migration in MAPbBr3 solar cells, HOPV 2019, Rome, 14 May 2019 (poster)
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42. Lucie McGovern, Ion Migration in MAPbBr3 solar cells, Nanophotonics Summer School, Amsterdam, 18 June 2019 (poster)
43. Lucie McGovern, Hole transport layers influence ion migration in perovskite solar cells, IPOE, Cergy-Pontoise (France), 9 July 2019 (poster)
44. Christian Dieleman, Direct patterning of colloidal quantum dots at the nanoscale with e-beam lithography, Physics@Veldhoven 2019, 22 January 2019 (poster)
45. Christian Dieleman, Direct patterning of colloidal quantum dots at the micro- and nanoscale using electron beam lithography, RCS Twitter conference, March 2019 (poster)
46. Christian Dieleman, Direct patterning of colloidal quantum dots at the micro- and nanoscale using electron beam lithography, AMOLF Nanophotonics Summerschool, Amsterdam, NL, 18 June 2019 (poster)
47. Christian Dieleman, Direct patterning of colloidal quantum dots at the micro- and nanoscale using electron beam lithography, AMOLF LMPV symposium, Amsterdam, NL, 30 August 2019 (poster)
48. Christian Dieleman, Direct patterning of colloidal quantum dots at the micro- and nanoscale using electron beam lithography, NanoGe Fall meeting, Berlin, DE, 7 November 2019 (poster)
49. Moritz Futscher, Quantification of ion migration in halide perovskites with potassium passivation, Physics at Veldhoven, Veldhoven, The Netherlands, January 22-23, 2019 (poster)
50. Benjamin Daiber, Efficiency Potential of Singlet Fisson- Silicon Solar Cells with different Injection Schemes, Nanophotonics Summer School, Amsterdam, 18 June 2019 (poster)
51. Benjamin Daiber, Efficiency Potential of Singlet Fisson- Silicon Solar Cells with different Injection Schemes, IPOE, Cergy-Pontoise ,France, 9 July 2019 (poster)
52. Benjamin Daiber, Strong Absorption is Important for a Singlet Fission-Silicon Solar Cell, RCS Twitter conference, March 2019 (poster)
53. Y. Bleiji et al., poster presentation to ANNIC19 (France), 2019 (Best poster Award) 54. Y. Bleiji et al., poster contribution to MRS Fall Meeting (USA), 2019 55. S.W. Tabernig, Light management for absorption enhancement in emerging photovoltaic
technologies, AMOLF International Nanophotonics Summer School, Amsterdam, the Netherlands, June 17-21, 2019 (poster)
56. S.W. Tabernig, Light management for optoelectronic performance enhancement in PbS quantum dot solar cells, Asia-Pacific Solar Research Conference (APSRC), Canberra, ACT, Australia, December 3-5, 2019 (oral)
57. T. Coenen, Energy-momentum imaging for nanophotonics, Workshop Electron Beam Spectroscopy for Nanophotonics (EBSN), Orsay, France, September 16-18, 2019 (poster)
58. T. Coenen, Energy-momentum cathodoluminescence mapping on circular and elliptical bullseye antennas, CLEO San Jose, USA, May 5-10, 2019 (oral)
59. T. Coenen, Nanoscale inspection of GaN LED devices using g(2) cathodoluminescence imaging, CLEO, San Jose, USA, May 5-10, 2019 (oral)
60. W.C. Sinke, Terawatt-scale photovoltaics in support of the global energy transition, International Conference on Renewable Energy (ICREN2019 @ UNESCO), Paris, April 26, 2019 (plenary);
61. W.C. Sinke, Zonnestroom op weg naar impact: optimaal gebruik van onze ruimte, Solar Solutions, Haarlemmermeer, March 20, 2019 (invited).
62. M. Solà-Garcia, Pump-probe cathodoluminescence spectroscopy on diamond NV centers, Nanometa, Seefeld in Tirol, Austria, January 6, 2019 (oral)
63. M. Solà-Garcia, Pump-probe cathodoluminescence spectroscopy on diamond NV centers, Physics @ Veldhoven, Veldhoven, The Netherlands, January 23, 2019 (oral)
64. M. Solà-Garcia, Pump-probe cathodoluminescence spectroscopy on diamond NV centers, Amsterdam-Catania workshop on Nanophotonics, Catania, Italy, April 15, 2019 (oral)
65. M. Solà-Garcia, Pump-probe cathodoluminescence spectroscopy on diamond NV centers, International Nanophotonics School (AMOLF), Amsterdam, The Netherlands, June 17-21, 2019 (poster)
66. M. Solà-Garcia, Pump-probe cathodoluminescence spectroscopy on diamond NV centers, ICMAT, Singapore, June 28, 2019 (oral)
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67. M. Solà-Garcia, Pump-probe cathodoluminescence spectroscopy on diamond NV centers, Electron beam spectroscopy for nanophotonics, Orsay, France, September 16-18, 2019 (poster)
68. S. Meuret, Time resolved cathodoluminescence spectroscopies for semiconductors, GDR Pulse, Clermont Ferrand, July 1-4, 2019.
69. A. Cordaro, Non-local computing Si metasurface performing mathematical operations, Nanometa 2019, Seefeld, Austria, January 7, 2019 (oral)
70. A. Cordaro, All-optical computing metasurfaces performing mathematical operations, Physics @ Veldhoven, January 23, 2019 (poster)
71. A. Cordaro, All-optical computing metasurfaces performing mathematical operations, MURI annual review meeting 2019, Rochester, NY, USA, January 30, 2019 (poster)
72. A. Cordaro, Dielectric metasurfaces performing all-analog computing, CLEO 2019, San Jose, CA, USA, May 8, 2019 (oral)
73. A. Cordaro, All-optical computing metasurfaces performing mathematical operations, International Nanophotonics School (AMOLF), Amsterdam, The Netherlands, June 17-21, 2019 (poster)
74. T. Veeken, Directing quantum dot emission for photovoltaics, Amsterdam-Catania joint workshop on nanophotonics, Catania, Silicy, Italy, April 15, 2019. (oral)
75. T. Veeken, Directing quantum dot emission to enable tetracene-silicon singlet fission solar cells, Physics@Veldhoven, Veldhoven, The Netherlands, January 22-23, 2019. (poster)
76. T. Veeken, Directional quantum dot emission for efficient photovoltaics, 10th International Conference on Materials for Advanced Technologies (ICMAT), Singapore, June 23-28, 2019. (poster)
77. T. Veeken, Comparing near-field calculations and effective medium models for light reflection and absorption of black silicon nano-textures, EU PVSEC, Marseille, France, September 9-13, 2019. (poster)
78. T. Veeken, Comparing near-field calculations and effective medium models for light reflection and absorption of black silicon nano-textures, Sunday Dutch Solar Conference, Bussum, The Netherlands, November 13, 2019 (poster)
79. T. Veeken, International School for Materials for Energy and Sustainability (ISMES) VIII, California Institute of Technology, July 21-27, 2019 (poster)
80. T. Veeken, Directing quantum dot emission for efficient photovoltaics, International Nanophotonics School (AMOLF), Amsterdam, The Netherlands, June 17-21, 2019 (poster)
81. N.J. Schilder, Probing the band structure of topological silicon photonic lattices in the visible, Nanometa, Seefeld, Austria, January 3-6, 2019 (oral)
82. N.J. Schilder, Remote beaming of light by a reflective metasurface, Physics@Veldhoven, Veldhoven, The Netherlands, January 22-23, 2019 (poster)
83. N.J. Schilder, Probing the band structure of topological silicon photonic lattices in the visible spectrum, Klein Colloquium, Amsterdam, The Netherlands, April 1, 2019 (oral)
84. N.J. Schilder, Phase-resolved surface plasmon scattering probed by cathodoluminescence holography, International Nanophotonics summerschool, Amsterdam, The Netherlands, June 17-21, 2019 (poster)
85. N.J. Schilder, Cathodoluminescence holography, META 2019, Lisbon, Portugal, July 23-26, 2019 (poster)
86. N.J. Schilder, Phase-resolved surface plasmon scattering probed by cathodoluminescence holography, EBSN 2019, Orsay, France, September 16-18, 2019 (oral)
87. M. Solà-Garcia, M. Liebtrau, Time-resolved cathodoluminescence spectroscopy, Physics@Veldhoven, Veldhoven, The Netherlands, January 22-23, 2019 (poster)
88. M. Liebtrau, Mapping the radiative modes of plasmonic gold nanostars by cathodoluminescence imaging spectroscopy, AMOLF International Nanophotonics School, Amsterdam, the Netherlands, June 17-21, 2019 (poster)
89. M. Liebtrau, Comparing CL, EELS and PINEM in nanoscale plasmonic near-fields, Electron Beam Spectroscopy for Nanophotonics (EBSN), Orsay, France, September 16-18, 2019 (poster)
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90. M. Liebtrau, Comparing CL, EELS and PINEM in nanoscale plasmonic near-fields, 2nd AMOLF-ARCNL workshop, Amsterdam, The Netherlands, October 16, 2019 (poster)
91. V. Neder, Combined metagratings for efficient broad-angle scattering metasurface, Physics@Veldhoven 2019, Veldhoven, The Netherlands (poster)
92. V. Neder, Ordered Lambertian scatterer metasurface for photovoltaics, International Nanophotonics School (AMOLF), Amsterdam, The Netherlands, June 17-21, 2019 (poster)
93. V. Neder, Wide-angle-colored solar modules using integrated resonant dielectric nanoscatterers, Joint EPS-SIF International School on Energy 2019, July 22-27, Varenna, Italy (oral)
94. V. Neder, Wide-angle-colored solar modules using integrated resonant dielectric nanoscatterer, , Sunday Dutch Solar Conference, Bussum, The Netherlands, November 13, 2019 (poster)
d. Awards and recognitions
1. Susan Rigter, KHMW Tata Steel Afstudeerprijs voor Werktuigbouwkunde en Materiaalkunde 2. Sven Askes, VENI grant NWO 3. Eline Hutter VENI grant NWO 4. Eline Hutter, Martinus van Marum prize, KHMW 5. Moritz Futscher, RSC Twitter Poster Conference Prize 6. Yorick Bleiji, best poster prize, ANNIC2019 conference, Paris 7. Albert Polman, Highly cited researcher (Clarivate, Web of Science)
e. Board/Committee positions in congress organizations, scientific consortia, advisory
councils, international panels, editorships at journals 1. E.C. Garnett, MRS postdoctoral award committee member 2. E. Alarcon Llado, Program Committee Physics@Veldhoven 2020 3. E. Alarcon Llado, Editorial board member of Journal Physics D and Guest Editor for a special
issue 4. E.C. Garnett, B. Ehrler, E. Alarcon Llado, Co-organizer of LMPV annual workshop 5. E. Alarcon Llado, Co-organizer, Ionics & Iontronics NL 6. E. Alarcon Llado, Organizer, Dutch Scanning probe Microscopy Day 2019 7. A. Polman, Member, Strategic Advisory Board ECN.TNO 8. A. Polman, Member, International Advisory Board, Winton Renewable Energy Program,
Cambridge University, UK. 9. A. Polman, Chair, Royal Netherlands Academy of Arts and Sciences (KNAW) new member
selection jury, domain NTW. 10. A. Polman, Chair, NWO Theme Committee Materials Science. 11. A. Polman, Chair, Program Committee Materials 2020 conference 12. A. Polman, Chair, National Science Agenda (NWA) Route Materials – made in Holland. 13. A. Polman, Chair, Steering Committee National SOLARLab initiative 14. A. Polman, Member, Board of Reviewing Editors, Science (AAAS). 15. A. Polman, Member, Editorial Advisory Board ACS Photonics (American Chemical Society). 16. A. Polman, Member, Editorial Advisory Board Applied Physics Reviews (American Physical
Society). 17. A. Polman, Member, Editorial Advisory Board Advanced Optical Materials (Wiley). 18. A. Polman, Member, Editorial Advisory Board Nano Letters (American Chemical Society).
3. Knowledge transfer (economic)
a. Patents
1. N/A
b. Contacts with industry (including consultancy or other functions), new business activity resulting from projects 1. Research collaboration with Analog Devices Inc. 2. Research contract with Toyota, Surfix and ECN as part of the Mat4Sus programme
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3. Research contract with Philips Research on nanophotonics, Industrial Partnership Program Nanophotonics for Solid State Lighting.
4. Research collaboration with Philips Group Innovation IP&S, soft imprint lithography. 5. Research contract with Delmic on cathodoluminescence imaging spectroscopy. 6. Research contract with ECN/TNO on light management in solar cells. 7. Research contract with Shell, Exasun, Eternal Sun, Levitech and Tempress Systems on
development of Si-based tandem solar cells (JSP3) c. Other professional products (software, prototypes, etc.)
1. Pump-probe cathodoluminescence spectroscopy systems developed at AMOLF were brought on the market by Thermo Fisher and Delmic in 2019
4. Teaching ‐ knowledge transfer (societal)
1. E.C. Garnett, E. Alarcon Llado, W. Sinke, and A. Polman, Lectures in master course Advanced
Materials and Energy Physics (AMEP), University of Amsterdam, the Netherlands. 2. B. Ehrler, co-teaching the organic photovoltaics MSc course at the VU 3. E.C. Garnett: host of UvA Physics 1 week Research Practicum: Madelon Geurts, Roy van der
Linden, Khallil Berrekkal, Pelle Nelissen 4. E. Alarcon Llado, invited lecture on Solar Fuels at the Free University of Madrid (UAM)
b. Masters and Bachelors theses
1. BSc Thesis: Andrea Pollastri: A novel multi-directional light detector for modelling the cost-efficiency benefits of bi-facial solar panels, AUC, 6-2019
2. BSc Thesis: Fabian Ecker: Investigating Triplet Transfer in Singlet Fission – Low Bandgap Semiconductor Bilayers using Magnetic Field Effects, University of Konstanz, September 2019
3. MSc thesis: Susan Rigter (2019) Amorphous Organic-Inorganic Perovskites. University of Amsterdam.
4. MSc thesis: Floris Taminiau (2019) High Precision Assembly of Nanocubes on Silicon. University of Amsterdam.
5. MSc thesis: Alexandra Tsoukala (2019) Selective Photodeposition of Catalytic Nanoparticles Assisted with Hot Electrons and Holes in Plasmonic Nanostructures. University of Amsterdam.
6. MSc thesis: Joris Bodin: Triplet Energy Transfer in Singlet Fission Silicon Solar Cells, UvA, 7-2019, University of Amsterdam.
7. MSc thesis: Dominique van Poorten, “Enhanced light absorption in ultrathin-Si films using nanowire arrays as light couplers”, University of Amsterdam
8. MSc thesis: Rosa Rougoor, “Meniscus confined electrochemical deposition for 3D microprinting”, University of Amsterdam
9. MSc thesis: Yorick Bleiji, “Towards inexpensive manufacturing of nanostructured III-V semiconductors using electrochemical mediated growth”, University of Amsterdam
10. MSc thesis: Kyra Orbons, Directing quantum dot emission in luminescent solar concentrators, University of Amsterdam, August 2019
11. MSc thesis: Floris Uleman, Resonant metagratings for spectral and angular control of light in photovoltaics, University of Amsterdam, July 2019
5. Outreach ‐ knowledge transfer (societal) a. Performances on television, radio or at public events
1. E. Hutter, Halfgeleider van de toekomst, Kenniscafé, de Balie Amsterdam, 16-12-2019, 2. M. Aarts, Nanoprinters, zonnecellen en speciale dialogen, Radio Swammerdam, 7-10-2019 3. A. Polman, Zonnepanelen op water, interview Radio 1, Nieuwsweekend, 14-6-2019 4. A. Polman, Science Park Amsterdam Business Organization, Boundless Mind movie 5. N. Schilder, Nanophotonics for photovoltaics, NWO-NWA public outreach movie
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b. Publications in public magazines, newspapers or on the internet 1. “Aan halide perovskieten moet je meten, niet rekenen”; engineersonine.nl, 2-05-2019 2. “Thin-film tandem cells made of perovskite and CIGSe semiconductors”; Adlershof.de, 1-02-
2019
c. Other outreach activities 1. Sven Askes, AMOLF Open Day, hydrogen car racing activity coordinator 2. Julia van der Burgt, AMOLF Open Day, bending light demonstrations coordinator 3. Julia van der Burgt, High school program Kay Munk School Hoofddorp, presentation and
assignment on how solar cells work 4. Building a solar box for the AMOLF open day 5. Organization of AMOLF/ARCNL day 6. Co-organization of LMPV Symposium 7. Co-organization of the AMOLF 70-year symposium 8. NWA event expeditie Next, Eline Hutter, 2-5-2019 9. AMOLF open day coordinator Moritz Futscher 10. Tandem solar cells booth at the Amolf’s Open Day, “zonnecellen met gevoel voor kleur” 11. Twitter account @brunoehrler, total tweet impressions in 2019: 584.600 12. Twitter account @AlbertPolman, total tweet impressions in 2019: 62.877 13. Twitter account @3DPhotovoltaics, total tweet impressions in 2019: 57.786 14. Twitter account @PhotonicMaterials, total tweet impressions in 2019: 100.600
12. Output in numbers
Output for the current reporting period (personnel directly funded by LMPV only)
1. Academic publications 21 Publications in refereed journals
0 Publications in other journals and other scientific output
2. Book contributions 0
3. Monographs 0 4. PhD theses 1 5. Professional publications and products 0 6. Patents 0 7. Other
Number of Open Access publications (sum of all OA publications under 1-7)
21
13. Confidential information Not applicable.
