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Modified Triphenylamine‐Dicyanovinyl‐Based Donor–Acceptor Dyes with Enhanced Power Conversion Efficiency of p‐Type Dye‐Sensitized Solar Cells
Author(s) -
Zhu Linna,
Yang Hongbin,
Zhong Cheng,
Li Chang Ming
Publication year - 2012
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.201200402
Subject(s) - triphenylamine , acceptor , thiophene , photochemistry , chemistry , energy conversion efficiency , materials science , optoelectronics , organic chemistry , physics , condensed matter physics
To dye for : Two new dyes are synthesized by structural modifications of one of the best dyes for NiO p‐type dye‐sensitized solar cells, which is based on a triphenylamine–dicyanovinyl donor–acceptor system. An additional thiophene unit near the anchoring group can greatly retard charge recombination while enhancing the absorption coefficient to significantly improve the photoconversion efficiency by 50 %.

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