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3. Coplanar D-π-A organic sensitizers featuring a thienylethynyl spacer for efficient dye-sensitized solar cells

Author

Park, Kwang-Won, Ahn, Sungwoo, Baek, Myung Hoon, Lim, Dong-Suk, Wiles, Alan A., Kim, Myung Gil, and Hong, Jongin

Abstract

We simply synthesize coplanar metal-free organic sensitizers featuring a thienylethynyl spacer, CSD-01 and CSD-02, from commercially available thiophene derivatives. The dye-sensitized solar cells (DSSCs) based on the CSD-01 and CSD-02 without any coadsorbate show the power conversion efficiencies (η) of 4.60% and 5.32%, respectively. The study in the dye-adsorption time suggests the increase in the organic DSSC performance with decreasing soaking time.

Published
2017

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