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Coatings 2016, 6(4), 53; doi:10.3390/coatings6040053

Fullerene-Based Electron Transport Layers for Semi-Transparent MAPbBr3 Perovskite Films in Planar Perovskite Solar Cells

Department of Electro-optical Engineering, National Taipei University of Technology, Taipei 106, Taiwan
Research Center for New Generation Photovoltaics, National Central University, Taoyuan 32001, Taiwan
Author to whom correspondence should be addressed.
Academic Editor: I. M. Dharmadasa
Received: 6 September 2016 / Revised: 13 October 2016 / Accepted: 22 October 2016 / Published: 28 October 2016
(This article belongs to the Special Issue Thin Film Semiconductors for Photovoltaic Applications)
View Full-Text   |   Download PDF [3454 KB, uploaded 28 October 2016]   |  


In this study, four kinds of structures—[6,6]-phenyl-C61-butyric acid methyl ester (PCBM), PCBM/fullerene (C60), C60/bathocuproine (BCP), and PCBM/C60/BCP—were used as electron transport layers, and the structure, and optical and electronic behaviors of MAPbBr3 perovskite layers after annealing treatments were observed. The experimental results indicate that PCBM/C60 bi-layer structure is acceptable for MAPbBr3 planar perovskite solar cells due to electron step transporting. Low-temperature annealing is suitable for smooth and large grain MAPbBr3 films. The semi-transparent yellow C60/PCBM/MAPbBr3/PEDOT:PSS/ITO glass-structure solar cells exhibit the best performance with a power conversion efficiency of 4.19%. The solar cells are revealed to be suitable for application in building integrated photovoltaic (BIPV) systems. View Full-Text
Keywords: MAPbBr3; semi-transparent solar cells; perovskite; low-temperature annealing MAPbBr3; semi-transparent solar cells; perovskite; low-temperature annealing

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Chen, L.-C.; Tseng, Z.-L.; Huang, J.-K.; Chen, C.-C.; Chang, S.H. Fullerene-Based Electron Transport Layers for Semi-Transparent MAPbBr3 Perovskite Films in Planar Perovskite Solar Cells. Coatings 2016, 6, 53.

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