Organic Letters
Organic Letters
5 years ago

Asymmetric 8H-Thieno[2′,3′:4,5]thieno[3,2-b]thieno[2,3-d]pyrrole-Based Sensitizers: Synthesis and Application in Dye-Sensitized Solar Cells

Asymmetric 8H-Thieno[2′,3′:4,5]thieno[3,2-b]thieno[2,3-d]pyrrole-Based Sensitizers: Synthesis and Application in Dye-Sensitized Solar Cells
Huanhuan Dong, Shijie Ding, Peng Cai, Ping Gao, Mao Liang, Zhihui Wang, Song Xue, Jing Chen, Ya Su
Asymmetric 8H-thieno[2′,3′:4,5]thieno[3,2-b]thieno[2,3-d]pyrrole (TTP) unit has been synthesized and used as a rigid and coplanar π-bridge to construct four new metal-free sensitizers W05–08. These dyes sensitized solar cells exhibit high photocurrent due to strong light harvesting capability. Among these dyes, the W05-based cell in conjunction with cobalt(II/III) redox shuttle exhibits the best power conversion efficiency up to 9.22%.

Publisher URL: http://dx.doi.org/10.1021/acs.orglett.7b01465

DOI: 10.1021/acs.orglett.7b01465

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