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New D–π-A system dye based on dithienosilole and carbazole: Synthesis, photo-electrochemical properties and dye-sensitized solar cell performance

Paper ID Volume ID Publish Year Pages File Format Full-Text
26136 43936 2014 8 PDF Available
Title
New D–π-A system dye based on dithienosilole and carbazole: Synthesis, photo-electrochemical properties and dye-sensitized solar cell performance
Abstract

•A dual π-conjugation dye based on dithioensilole, carbazole was designed and synthesized.•The incorporation of dithioensilole and ethynyl lowered its LUMO level and energy gap.•DSSC sensitized by the dye possessed a power conversation efficiency of 4.80%.

New donor–linker–acceptor pattern organic dye containing a dithienosilole unit as a π-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%.

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Keywords
Carbazole; Dithienosilole; π-Conjugated system; Power conversion efficiency; Dye-sensitized solar cell
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New D–π-A system dye based on dithienosilole and carbazole: Synthesis, photo-electrochemical properties and dye-sensitized solar cell performance
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 294, 15 November 2014, Pages 54–61
Authors
, , , , , , , , ,
Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us