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Self‐Doped and Crown‐Ether Functionalized Fullerene as Cathode Buffer Layer for Highly‐Efficient Inverted Polymer Solar Cells
Author(s) -
Zhao Fuwen,
Wang Zhen,
Zhang Jianqi,
Zhu Xiangwei,
Zhang Yajie,
Fang Jin,
Deng Dan,
Wei Zhixiang,
Li Yongfang,
Jiang Li,
Wang Chunru
Publication year - 2016
Publication title -
advanced energy materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.08
H-Index - 220
eISSN - 1614-6840
pISSN - 1614-6832
DOI - 10.1002/aenm.201502120
Subject(s) - fullerene , photovoltaic system , crown ether , cathode , materials science , doping , buffer (optical fiber) , layer (electronics) , ether , polymer , active layer , nanotechnology , optoelectronics , chemical engineering , computer science , organic chemistry , electrical engineering , telecommunications , chemistry , composite material , engineering , ion , thin film transistor
Self‐doped and crown‐ether functionalized fullerene PCMI:K + works well as a cathode buffer layer in polymer solar cells based on PTB7‐Th, with a power conversion efficiency (PCE) of 10.30%, which is one of the highest PCEs to date. A series of experiments are used to shed light upon the mechanism of the simultaneous elevation in photovoltaic parameters with PCMI:K + .