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Binary‐Metal Perovskites Toward High‐Performance Planar‐Heterojunction Hybrid Solar Cells
Author(s) -
Zuo Fan,
Williams Spencer T.,
Liang PoWei,
Chueh ChuChen,
Liao ChienYi,
Jen Alex K.Y.
Publication year - 2014
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201401641
Subject(s) - materials science , heterojunction , perovskite (structure) , pedot:pss , optoelectronics , planar , hybrid solar cell , crystallization , band gap , thin film , metal , polymer solar cell , energy conversion efficiency , chemical engineering , nanotechnology , layer (electronics) , metallurgy , computer graphics (images) , computer science , engineering
A simple, low temperature solution process for Pb/Sn binary‐metal perovskite planar‐heterojunction solar cells is demonstrated. Sn inclusion substantially influences the band‐gap, crystallization kinetics, and thin‐film formation leading to a broadened light absorption and enhanced film coverage on ITO/PEDOT:PSS. As a result, the optimized device shows a PCE exceeding 10%, which is the best result for binary‐metal perovskite solar cells so far.
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