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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

1
Department of Electro-optical Engineering, National Taipei University of Technology, Taipei 106, Taiwan
2
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]   |  

Abstract

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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MDPI and ACS Style

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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