Organic Dye Bearing Asymmetric Double Donor-π-Acceptor Chains for Dye-Sensitized Solar Cells

A novel efficient metal free sensitizer containing asymmetric double donor-π-acceptor chains (DC) was synthesized for dye-sensitized solar cells (DSSCs). Comparing to 3.80%, 4.40% and 4.64% for the DSSCs based on the dyes with single chain (SC1, SC2) and cosensitizers (SC1 + SC2), the overall conver...

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Bibliographic Details
Published in:Journal of organic chemistry 2011-10, Vol.76 (19), p.8015-8021
Main Authors: Hong, Yanping, Liao, Jin-Yun, Cao, Derong, Zang, Xufeng, Kuang, Dai-Bin, Wang, Lingyun, Meier, Herbert, Su, Cheng-Yong
Format: Article
Language:English
Subjects:
Applied sciences
Chemistry
Energy
Exact sciences and technology
Heterocyclic compounds
Heterocyclic compounds with n hetero atom and also o and/or s, se, te hetero atoms
Natural energy
Organic chemistry
Photovoltaic conversion
Preparations and properties
Solar cells. Photoelectrochemical cells
Solar energy
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Summary:A novel efficient metal free sensitizer containing asymmetric double donor-π-acceptor chains (DC) was synthesized for dye-sensitized solar cells (DSSCs). Comparing to 3.80%, 4.40% and 4.64% for the DSSCs based on the dyes with single chain (SC1, SC2) and cosensitizers (SC1 + SC2), the overall conversion efficiency reaches 6.06% for DC-sensitized solar cells as a result of its longer electron lifetime and higher incident monochromatic photon-to-current conversion efficiency.
ISSN:0022-3263
1520-6904
DOI:10.1021/jo201057b