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Supporting InformationNovel Hole Transporting Material Based on Tetrathiafulvalene Derivative: A Step
Towards Dopant Free, Ambient Stable and Efficient Perovskite Solar Cells
Haseeb Ashraf Malika, Longfei Mab, Junsheng Luoa, Jianxing Xiaa, Zhongquan Wana,
Muhammad Kamran Khanc, Xiangfeng Shao*b, Chunyang Jia,a
a State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Electronic Science and
Engineering, University of Electronic Science and Technology of China, Chengdu 610054, P.R China.
b State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, P. R. China.
c Department of Electronics, University of Peshawar, Pakistan
Fig. S1. (a) Optimized structure (b) HOMO (c) LUMO of Spiro-OMeTAD.
Corresponding author. Email: [email protected] (C. Y. Jia) and [email protected] (X. F. Shao)
Fig. S2. UPS spectra of TTF based HTM (a) onset region (b) Cut-Off region.
Fig. S3. J-V curves of PSC based on 15 mg/ml, 17 mg/ml, 19 mg/ml and 21 mg/ml
HTM concentrations.
Table. S1
Concentration (mg/ml)
Jsc
(mA/cm2) Voc
(V) FF Efficiency
(%)
15 19.56 1.01 0.70 14.03
17 19.87 1.02 0.72 14.78
19 20.03 1.02 0.74 15.38
21 19.40 1.0 0.67 13.24
ITO
PEDOT:PSS
TTF Active layer
MoO3
Au
Fig. S4. Schematic structure of hole only device employed for SCLC analysis.
(i) (ii) (iii) (iv)
(a)
(c) (b) (d)
Fig. S6. (a) Real images of (i) fresh (ii) 15 days (iii) 30 days (iv) 45 days aged FTO/C-
TiO2/M-TiO2/Perovskite/TTF based device (b) Front image of fresh and 45 days aged TTF
based PSCs (c) Back images of fresh and 45 days aged TTF based PSCs (d) FTO/C-
TiO2/M-TiO2/Perovskite/TTF based device without top Au electrode.
(d)