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Polymer Solar Cells: High‐Performance All‐Polymer Solar Cells Enabled by n‐Type Polymers with an Ultranarrow Bandgap Down to 1.28 eV (Adv. Mater. 30/2020)
Author(s) -
Feng Kui,
Huang Jiachen,
Zhang Xianhe,
Wu Ziang,
Shi Shengbin,
Thomsen Lars,
Tian Yanqing,
Woo Han Young,
McNeill Christopher R.,
Guo Xugang
Publication year - 2020
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.202070226
Subject(s) - materials science , polymer , optoelectronics , band gap , photovoltaic system , solar cell , energy conversion efficiency , semiconductor , polymer solar cell , hybrid solar cell , nanotechnology , short circuit , transistor , electrical engineering , composite material , voltage , engineering
In article number 2001476, Xugang Guo and co‐workers develop two ultranarrow‐bandgap n‐type polymer semiconductors, which enable efficient electron transport in organic thin‐film transistors with a highest electron mobility of 1.72 cm 2 V −1 s −1 and which deliver remarkable photovoltaic performance with a highest power conversion efficiency of 10.22% and short‐circuit current up to 22.52 mA cm −2 . The emergence of such polymers will guide materials innovation for realizing highperformance fully flexible all‐polymer solar cell modules.

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