A benzothiazole–cyclopentadithiophene bridged D–A–π–A sensitizer with enhanced light absorption for high efficiency dye-sensitized solar cells

We demonstrate an efficient D–A–π–A sensitizer with a benzothiazole–cyclopentadithiophene moiety as the spacer in a triphenylamine organic dye for dye-sensitized solar cells. The dye has a broad visible light absorption range up to 800 nm. A power conversion efficiency >9% has been achieved using...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2014-01, Vol.50 (30), p.3965-3968
Main Authors: Wang, Xingzhu, Yang, Jing, Yu, Hao, Li, Feng, Fan, Li, Sun, Wen, Liu, Yeru, Koh, Zhen Yu, Pan, Jiahong, Yim, Wai-Leung, Yan, Lei, Wang, Qing
Format: Article
Language:English
Subjects:
Dyes
Electrolytes
Energy conversion efficiency
Light absorption
Photovoltaic cells
Solar cells
Spacers
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Summary:We demonstrate an efficient D–A–π–A sensitizer with a benzothiazole–cyclopentadithiophene moiety as the spacer in a triphenylamine organic dye for dye-sensitized solar cells. The dye has a broad visible light absorption range up to 800 nm. A power conversion efficiency >9% has been achieved using a [Co(bpy) 3 ] 2+/3+ -based electrolyte.
ISSN:1359-7345
1364-548X
DOI:10.1039/C4CC00577E