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Effective Exciton Dissociation and Reduced Charge Recombination in Thick‐Film Organic Solar Cells via Incorporation of Insulating Polypropylene
Author(s) -
Wang Tong,
Yang Xiao-Yu,
Bi Peng-Qing,
Niu Meng-Si,
Feng Lin,
Liu Jian-Qiang,
Hao Xiao-Tao
Publication year - 2019
Publication title -
solar rrl
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.544
H-Index - 37
ISSN - 2367-198X
DOI - 10.1002/solr.201970081
Subject(s) - crystallinity , exciton , polypropylene , dissociation (chemistry) , organic solar cell , materials science , recombination , charge carrier , acceptor , heterojunction , polymer solar cell , chemical engineering , chemical physics , polymer chemistry , chemistry , optoelectronics , polymer , solar cell , composite material , condensed matter physics , physics , biochemistry , engineering , gene
In article no. 1900087 , Jian‐Qiang Liu, Xiao‐Tao Hao, and co‐workers introduce polypropylene into a bulk heterojunction consisting of donors and acceptors to fabricate effective organic solar cells with a thick active layer. The incorporation of polypropylene improves the crystallinity of the donor and reduces the aggregation size of the acceptor, which facilitates exciton dissociation and charge transition and inhibits the recombination of carriers.