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Isomeric N‐Annulated Perylene Diimide Dimers for Organic Solar Cells
Author(s) -
Ma Zetong,
Fu Huiting,
Meng Dong,
Jiang Wei,
Sun Yanming,
Wang Zhaohui
Publication year - 2018
Publication title -
chemistry – an asian journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.18
H-Index - 106
eISSN - 1861-471X
pISSN - 1861-4728
DOI - 10.1002/asia.201800058
Subject(s) - diimide , perylene , photovoltaic system , organic solar cell , materials science , electrochemistry , photochemistry , energy conversion efficiency , chemistry , molecule , optoelectronics , organic chemistry , polymer , electrode , ecology , biology
Abstract Two isomeric N‐annulated perylene diimide dimers, namely, p ‐BDNP and m ‐BDNP were designed and synthesized via geometric tuning. The distinct molecular geometry and packing arrangements of isomers with almost identical optical and electrochemical properties rendered us an in‐depth understanding of the molecular structure–aggregation state–photovoltaic performance relationship. Blended with the commercially available donor PCE‐10, p ‐BDNP and m ‐BDNP showed distinct differences in photovoltaic performance with power conversion efficiencies (PCEs) of 5.01 % and 4.15 %, respectively.