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Synthesis of 3 H ‐Benzo[e]indoline and Its Application to Small‐Molecule Organic Solar Cells
Author(s) -
Chen Yao,
Wu Jianglin,
Yang Lin,
Hu Bin,
Yang Daobin,
Lu Zhiyun,
Huang Yan
Publication year - 2018
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201800938
Subject(s) - indoline , molecule , organic molecules , chemistry , stereochemistry , organic chemistry
A squaraine‐based small molecule ( USQ‐BI ) bearing 3 H ‐benzo[e]indoline was synthesized as an electron donor, and the corresponding organic solar cells show power conversion efficiency of 5.35 % with an excellent short circuit current of over 15 mA cm −2 . The hole mobility of USQ‐BI was about 5 times (9.57×10 −5 vs. 2.00×10 −5 cm 2 V −1 s −1 ) higher than that of indoline‐based squaraine.
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