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Synthesis and characterization of organic dyes containing various donors and acceptors

New organic dyes comprising carbazole, iminodibenzyl, or phenothiazine moieties, respectively, as the electron donors, and cyanoacetic acid or acrylic acid moieties as the electron acceptors/anchoring groups were synthesized and characterized. The influence of heteroatoms on carbazole, iminodibenzyl...

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Bibliographic Details
Published in:International journal of molecular sciences 2010-01, Vol.11 (1), p.329-353
Main Authors: Wu, Tzi-Yi, Tsao, Ming-Hsiu, Chen, Fu-Lin, Su, Shyh-Gang, Chang, Cheng-Wen, Wang, Hong-Paul, Lin, Yuan-Chung, Ou-Yang, Wen-Chung, Sun, I-Wen
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Language:English
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Summary:New organic dyes comprising carbazole, iminodibenzyl, or phenothiazine moieties, respectively, as the electron donors, and cyanoacetic acid or acrylic acid moieties as the electron acceptors/anchoring groups were synthesized and characterized. The influence of heteroatoms on carbazole, iminodibenzyl and phenothiazine donors, and cyano-substitution on the acid acceptor is evidenced by spectral, electrochemical, photovoltaic experiments, and density functional theory calculations. The phenothiazine dyes show solar-energy-to-electricity conversion efficiency (eta) of 3.46-5.53%, whereas carbazole and iminodibenzyl dyes show eta of 2.43% and 3.49%, respectively.
ISSN:1422-0067
1661-6596
1422-0067
DOI:10.3390/ijms11010329