Journal
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
Volume 294, Issue -, Pages 54-61Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jphotochem.2014.07.021
Keywords
Carbazole; Dithienosilole; pi-Conjugated system; Power conversion efficiency; Dye-sensitized solar cell
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Funding
- National Natural Science Foundation of China [20872035, 21076078]
- Hangzhou Normal University
- East China University of Science and Technology
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New donor-linker-acceptor pattern organic dye containing a dithienosilole unit as a pi-conjugated system, a carbazole moiety as an electron donor, and a cyanoacrylic acid unit as an electron acceptor was synthesized for application in dye-sensitized solar cell (DSSC). Its photophysical and electrochemical properties were investigated, the dithienosilole unit could dramatically lower the lowest unoccupied molecular orbital (LUMO) level and energy gap. Its performances as sensitizers in solar cells were measured, and possessed a power conversion efficiency of 4.80%. (C) 2014 Elsevier B.V. All rights reserved.
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