
Precise fluorination of polymeric donors towards efficient non-fullerene organic solar cells with balanced open circuit voltage, short circuit current and fill factor
Author(s) -
Xiaosha Wang,
Honggang Chen,
Jun Yuan,
Qiuping Wei,
Jing Li,
Lihui Jiang,
Jun Huang,
Yongfang Li,
Yungui Li,
Yingping Zou
Publication year - 2021
Publication title -
journal of materials chemistry. a
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.637
H-Index - 212
eISSN - 2050-7488
pISSN - 2050-7496
DOI - 10.1039/d1ta01500a
Subject(s) - fullerene , open circuit voltage , materials science , short circuit , current (fluid) , organic solar cell , voltage , optoelectronics , polymer , nanotechnology , chemistry , electrical engineering , organic chemistry , engineering , composite material
By increasing the fluorination sites of polymer donors, the J SC , V OC and FF are enhanced for solar cells, because of fine-tuned energy levels, reduced trap-assisted or bimolecular recombination, and improved charge carrier mobility.