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Issue 5, 2003
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Design of new coumarin dyes having thiophene moieties for highly efficient organic-dye-sensitized solar cells

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Abstract

We have developed new coumarin dyes having thiophene moieties in order to improve the photovoltaic performance of dye-sensitized nanocrystalline TiO2 solar cells based on the organic dyes as photosensitizers. A solar-energy-to-electricity conversion efficiency (η) of 7.7% was attained under AM 1.5 irradiation (100 mW cm−2) with a short-circuit current density (Jsc) of 14.3 mA cm−2, an open-circuit voltage (Voc) of 0.73 V, and a fill factor (ff) of 0.74.

Graphical abstract: Design of new coumarin dyes having thiophene moieties for highly efficient organic-dye-sensitized solar cells

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Publication details

The article was received on 17 Jan 2003, accepted on 12 Mar 2003 and first published on 14 Apr 2003


Article type: Letter
DOI: 10.1039/B300694H
Citation: New J. Chem., 2003,27, 783-785
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    Design of new coumarin dyes having thiophene moieties for highly efficient organic-dye-sensitized solar cells

    K. Hara, M. Kurashige, Y. Dan-oh, C. Kasada, A. Shinpo, S. Suga, K. Sayama and H. Arakawa, New J. Chem., 2003, 27, 783
    DOI: 10.1039/B300694H

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