A benzothiazole-cyclopentadithiophene bridged D-A-π-A sensitizer with enhanced light absorption for high efficiency dye-sensitized solar cellsElectronic supplementary information (ESI) available: Experimental procedures, DFT calculation and device characterization and fabrication details. See DOI: 10.1039/c4cc00577e

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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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
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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. We demonstrate a D-A-π-A sensitizer with a benzothiazole-cyclopentadithiophene moiety as the spacer in a triphenylamine dye for dye-sensitized solar cells. The dye has a broad 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