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Renewable and Sustainable Energy Systems June 25-26, 2012
The University of North Texas is pleased to announce that it will host the 2nd Annual Global Discovery Workshop on Renewable and Sustainable Energy Systems on June 25-26, 2012 in Denton, Texas, USA. The objective of the workshop is to promote global research collaborations between our faculty and the faculty at many of our international partner institutions.
The workshop aims to be multi-directional and beneficial for all participants. The desired and expected outcomes of the workshop include: joint research proposals to domestic and international funding agencies; joint research projects; exchanges of students and faculty; hosting postdoctoral researchers; training doctoral students; and other collaborations generated during the workshop.
Renewable and Sustainable Energy Systems June 25-26, 2012
Colombia: Universidad del Valle en Cali Czech Republic: Charles University Ecuador: Escuela Politécnica Nacional Ecuador: Escuela Superior Politécnica del Litoral Estonia: Estonian University of Life Sciences Estonia: Tallinn University of Technology Estonia: University of Tartu, Institute of Technology Finland: Aalto University, School of Engineering France: Université Pierre et Marie Curie, Sorbonne Universités Georgia: Ilia State University Greece: University of Patras Mexico: CONACYT Research Centers of Excellency Mexico: Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional Mexico: Universidad Autónoma del Estado de México Perú: Instituto de Investigaciones de la Amazonía Peruana Perú: Pontificia Universidad Católica del Peru Perú: Universidad Nacional de Ingeniería Perú: Universidad Nacional de San Antonio Abad del Cusco Romania: University Politehnica of Bucharest Ukraine: National Technical University of Ukraine “Kyiv Polytechnic Institute” Ukraine: Taras Shevchenko National University of Kiev
Represented Institutions
Dr. Yong Tao
Building and Renewable Energy
Energy Efficient Building Cooling Systems
Ground Source Heat Pump
Heat and Mass Transfer in Multiphase Media
Department of Mechanical & Energy Engineering, University of North Texas | Denton, Texas, USA
Position PACCAR Professor of Engineering and Chairman E-mail [email protected] Phone (940) 565-2400
UNT Net Zero Research House (Rendering)
Renewable
Energy
(solar/wind)
Distributed
Generation and
Storage
Materials and
Appliances Utility
Plug-in
Hybrid/E-
Vehicles
Building
Systems
Smart
Sensors
Geothermal
Heat Pump
Zero-Energy House
American (UNT) House, Beijing China
Visit by Secretaries Chu and Locke, July 16, ‘09
Z0E – Zero Energy Lab
Department of Mechanical & Energy Engineering, University of North Texas | Denton, Texas, USA
Dr. Sheldon Q. Shi Green Building Materials Engineering wood composites for construction applications Composite material processing, product evaluation, and
qualification Environmental friendly adhesives for biocomposite building
materials Building insulation materials, such as PU foam, etc. from
renewable biomass resources. Position Associate Professor E-mail [email protected] Phone (940) 565-2031 Group Renewable Bioproducts
Structure Testing Department of Mechanical and Energy Engineering, University of North Texas | Denton, Texas, USA
Dr. Jiangtao Cheng
Department of Mechanical & Energy Engineering, University of North Texas | Denton, Texas, USA
Research Areas:
• Electrowetting Solar Tracking
• Electrowetting Solar House
• Optofluidic Solar Concentrator
• Thermal-Fluid Sciences
• Micro/Nano-Fluidics Position Associate Professor
Department of Mechanical
& Energy Engineering
E-mail [email protected]
Phone (940) 369-5929
Electrowetting Solar Cell
Dual-axis tracking without mechanical moving parts
Dr. Jaehyung Ju Energy Harvesting with Dielectric Elastomers
♦ Nonlinear constitutive modeling of electro-active polymers for energy harvesting
Department of Mechanical and Energy Engineering, University of North Texas | Denton, Texas, USA
Position Assistant Professor E-mail [email protected] Phone (940) 565-2118 Group Laboratory of Advanced Tire Technology (LATT)
x1 x2
x3
0 0
0 1 0
0 0 1
F
11
22
0 0
0 0
0 0 0
σ
5% stretch 10% stretch 15% stretch
1000V 7.18 16.14 27.08
1200V 10.33 23.24 39.00
1500V 16.15 36.30 60.94
Dr. Mihai G. Burzo Heat transfer in microelectronics
& nanostructures ♦ Nanoscale Thermography:
non-invasive thermoreflectance based surface temperature mapping of active microelectronic devices at submicron and nanoscale levels
♦ Applications: Detect hot spots; diagnose performance of microelectronic devices; failure localization.
Department of Mechanical & Energy Engineering, University of North Texas | Denton, Texas, USA
Position Assistant Professor E-mail [email protected] Phone (940) 369-5104 Group Microscale Heat Transfer Laboratory
CAMERA IMAGE
THERMAL IMAGE
Thermal Mapping (Gold Microresistor)
Failure Localization
FET CHANNEL
Brake in Gate oxide
Hot Spot Detection
MOSFET
Dr. Nandika D’Souza
Department of Mechanical & Energy Engineering, University of North Texas | Denton, Texas, USA
Position Professor E-mail [email protected] Phone (940) 565-2979 Group Polymer Mechanical and Rheology Laboratory
“Cradle to cradle” bioproducts
Dr. Nandika D’Souza Polymer Composites
♦ Explore the fundamental properties that renewable resources provide so that we can replace with no loss of function non-renewable materials
♦ Investigate nano, micro and macroscale composites with hybrid reinforcement
Department of Mechanical & Energy Engineering, University of North Texas | Denton, Texas, USA
Position Professor E-mail [email protected] Phone (940) 565-2979 Group Polymer Mechanical and Rheology Laboratory
30 40 50 60 70 80 90 100 110
0
1x109
2x109
3x109
4x109
E'
( P
a )
Temperature (C)
PLLA
KF-I
A
B
C
D
20 30 40 50 60 70 80 90 100 110
0
1x108
2x108
3x108
4x108
5x108
6x108
E "
(P
a)
Temperature (oC)
PLLA
KF-I
A
B
C
D
FIBER AGE
Increased stiffness and energy absorption through controlled
fiber cross-sectional and surface architecture
Dr. Stevens M. Brumbley Engineering of High Biomass C4 Grasses for
Production of Bioplastics
Department of Biological Sciences, University of North Texas | Denton, Texas, USA
Position Associate Professor E-mail [email protected] Phone (940) 369-5072 Group Plant Metabolic Engineering
Biopolymers produced by bacteria have properties similar to commercially available petrochemical based plastics.
We’ve used the bacterial gene to engineer the high biomass C4 grass sugarcane so it can produce and accumulate these plastics in cells of the leaf and stalk
Polyhydroxyalkanoates produced in sugarcane leaf cells
Dr. Michael Allen
Department of Biological Sciences, University of North Texas | Denton, Texas, USA
Position Assistant Professor E-mail [email protected]
Phone (940) 369-8247 Group Biochemistry and Molecular Biology , Renewable Bioproducts
Biocomposites
♦ Renewable, biodegradable replacements for fiberglass, building panels, car parts, etc.
♦ Understanding microbial community function during fiber processing
♦ Retting process optimization for fiber yield, properties
Dr. Sheldon Q. Shi Natural Fiber Biocomposites Natural fibers to replace synthetic fibers for structural components, such
as natural fiber SMC, etc.
Cellulosic natural fiber evalaution
Bioresin synthesis from renewable bioresources, such as soybean, etc.
Adhesion durability and interfacial bonding, surface energy characterization
Department of Mechanical and Energy Engineering, University of North Texas | Denton, Texas, USA
Position Associate Professor E-mail [email protected] Phone (940) 565-2031 Group Renewable Bioproducts
* Light weight
* Low cost
* Less reliance on petroleum
resource
* Environmental friendly
Single fiber testing
Dr. Sheldon Q. Shi Cellulose Nanocomposites Nanophase treatment of natural fiber for functional
composites, such as anti static, anti radiation, anti permeation, anti microbial, de-toxication, and with enhanced or reduced thermal conductivities
Cellulose nanofiber / nano whisker
Position Associate Professor E-mail [email protected] Phone (940) 565-2031 Group Renewable Bioproducts
Nanoparticle deposited on the fiber surface
Cellulose nanofiber process
Department of Mechanical and Energy Engineering, University of North Texas | Denton, Texas, USA
Anti-blood, oil permeation
Magnetic bio-absorbent
Anti static gloves
Dr. Nigel Shepherd Semiconductors, Electronic and Optical Thin Films:
Materials and Device Physics
♦ Organic Light Emitting Diodes:
• Red, Blue, Green: Emissive Displays
• White: Solid State Lighting
♦ Flexible optoelectronic devices:
flexible displays and phototherapy bandages
Department of Materials Science & Engineering, University of North Texas | Denton, Texas, USA
Position Assistant Professor E-mail [email protected]
Phone (940) 369-7714 Group Optoelectronics and Thin Films Laboratory (OFTL)
Dr. Nigel Shepherd ♦ Heterojunction solar cells
• Ge, GaAs, GaP, InAs, InP
♦ Multilayer graphene HEMTs • gate oxide deposition • contact influence on mobility
♦ P-type ZnO for inorganic LEDs, GaN, ZnS
Department of Materials Science & Engineering, University of North Texas | Denton, Texas, USA
Pulsed laser deposition, RF and DC sputtering, Physical vapor deposition, Atomic layer deposition
Position Assistant Professor E-mail [email protected]
Phone (940) 369-7714 Group Optoelectronics and Thin Films Laboratory (OFTL)
Dr. Michael Allen
Department of Biological Sciences, University of North Texas | Denton, Texas, USA
Position Assistant Professor E-mail [email protected]
Phone (940) 369-8247 Group Biochemistry and Molecular Biology , Renewable Bioproducts
Biofuels
♦ Conversion of lignocellulosic feedstocks to biofuels
♦ Genetic engineering of defined microbial communities
♦ Understanding bacterial responses to stress for process optimization
Interfacial electron transport in hybrid polymer-oxide solar cells.
Dr. W. Justin Youngblood
Department of Chemistry, University of North Texas | Denton, Texas, USA
Position Assistant Professor E-mail [email protected] Phone (940) 369-8289 Group Organic/Molecular Semiconductors and Excitonic Solar Cells
♦ Acceptor-Sensitizers mediate electron transport between p-type semiconductive polymer and n-type metal oxide semiconductors
♦ Solar cell improvement tracks with redox potential of the sensitizer.
ZnO nanorods TiO2 (rutile) nanorods Enhanced current & voltage
Dye-sensitized solar cells using p-type NiO.
Dr. W. Justin Youngblood
Department of Chemistry, University of North Texas | Denton, Texas, USA
Position Assistant Professor E-mail [email protected] Phone (940) 369-8289 Group Organic/Molecular Semiconductors and Excitonic Solar Cells
♦ Photoinduced hole transfer from p-type Nickel Oxide (NiO) to acceptor-sensitizers based on fullerene and acenequinone compounds.
♦ New morphologies of nanostructured NiO.
♦ Polymer-oxide solar cells using n-type polymers.
NiO nanowhiskers
Dr. Elias Kougianos III-V Device Physics
♦ Efficient numerical techniques for the self-consistent solution of Schrödinger-Poisson in III-V heterostructures.
♦ Interface handling at III-V boundaries.
♦ Transverse energy effects in III-V devices.
♦ Applications to resonant tunnel diodes.
Department of Engineering Technology, University of North Texas | Denton, Texas, USA
Position Associate Professor E-mail [email protected] Phone (940) 891-6708 Group Nano-System Design Laboratory (NSDL)
Selected references: [1] Kougianos et al. “Discretization Techniques for the Efficient Solution of the Eigenvalue Problem in Heterostructures”, Wiley InterScience International Journal of Numerical Modelling: Electronic Networks, Devices and Fields (IJNM), Vol. 22, No. 1, January/February 2009, pp. 1-21. [2] Kougianos et al. “The Effect of Transverse Energy on Electronic Bound States in Heterostructure Quantum
Wells”, Semiconductor Science and Technology, Vol. 21, No. 10, October 2006, pp. 1472-1477.
Dr. Gayatri Mehta Energy-Aware Next-Generation Portable/Wearable Computing Platforms
Department of Electrical Engineering, University of North Texas | Denton, Texas, USA
Position Assistant Professor E-mail [email protected] Phone (940) 369-5118 Group Power Aware Computing
Dr. Saraju P. Mohanty
Department of Computer Science & Engineering, University of North Texas | Denton, Texas, USA
Position Associate Professor
E-mail saraju.mohanty@unt
.edu
Phone (940) 565-3276
Group
Design and CAD for Low-Power High-Performance Nanoscale Digital and Analog/Mixed-Signal VLSI:
Power, Leakage, and Performance
Modeling of Nanoscale Digital and
Analog/Mixed-Signal Circuits
Optimization of Nanoscale Digital and
Analog/Mixed-Signal Circuits
VLSI Architecture for Multimedia
Processing
