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Int. J. Mol. Sci. 2010, 11(1), 329-353; doi:10.3390/ijms11010329
Article

Synthesis and Characterization of Organic Dyes Containing Various Donors and Acceptors

1,2, 1, 1, 1, 1, 2,3, 4, 5 and 1,2,*
Received: 13 November 2009 / Revised: 23 December 2009 / Accepted: 17 January 2010 / Published: 22 January 2010
(This article belongs to the Section Biochemistry, Molecular Biology and Biophysics)
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Abstract

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 (η) of 3.46–5.53%, whereas carbazole andiminodibenzyl dyesshow η of 2.43% and 3.49%, respectively.
Keywords: organic dyes; donor; absorption; electrochemistry; photovoltaic materials organic dyes; donor; absorption; electrochemistry; photovoltaic materials
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Wu, T.-Y.; Tsao, M.-H.; Chen, F.-L.; Su, S.-G.; Chang, C.-W.; Wang, H.-P.; Lin, Y.-C.; Ou-Yang, W.-C.; Sun, I.-W. Synthesis and Characterization of Organic Dyes Containing Various Donors and Acceptors. Int. J. Mol. Sci. 2010, 11, 329-353.

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