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Ternary‐Blend Polymer Solar Cells Combining Fullerene and Nonfullerene Acceptors to Synergistically Boost the Photovoltaic Performance
Author(s) -
Lu Heng,
Zhang Jicheng,
Chen Jianya,
Liu Qian,
Gong Xue,
Feng Shiyu,
Xu Xinjun,
Ma Wei,
Bo Zhishan
Publication year - 2016
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.201603588
Subject(s) - ternary operation , materials science , fullerene , photovoltaic system , energy conversion efficiency , organic solar cell , polymer , small molecule , polymer solar cell , optoelectronics , organic chemistry , composite material , computer science , chemistry , electrical engineering , biochemistry , programming language , engineering
A ternary‐blend strategy is presented to surmount the shortcomings of both fullerene derivatives and nonfullerene small molecules as acceptors for the first time. The optimal ternary device shows a high power conversion efficiency (PCE) of 10.4%. Moreover, a significant enhancement in PCE (≈35%) relative to both of the binary reference devices, which has never been achieved before in high‐efficiency ternary devices, is demonstrated.