Effective co-sensitization using D–π–A dyes with a pyridyl group adsorbing at Brønsted acid sites and Lewis acid sites on a TiO2 surface for dye-sensitized solar cells

Yousuke Ooyama; Koji Uenaka; Takafumi Sato; Naoyuki Shibayama; Joji Ohshita

doi:10.1039/C4RA14190C

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Effective co-sensitization using D–π–A dyes with a pyridyl group adsorbing at Brønsted acid sites and Lewis acid sites on a TiO₂ surface for dye-sensitized solar cells†

Yousuke Ooyama,*^a Koji Uenaka,^a Takafumi Sato,^a Naoyuki Shibayama^b and Joji Ohshita*^a

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* Corresponding authors

^a Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, Higashi-Hiroshima 739-8527, Japan
E-mail: yooyama@hiroshima-u.ac.jp
Fax: +81-82-424-5494

^b Technical Research Institute, Toppan Printing Co., Ltd., Takanodaiminami, Sugito, Saitama 345-8508, Japan

Abstract

Effective and convenient co-sensitization to enhance dye coverage on TiO₂ electrodes for dye-sensitized solar cells have been achieved successfully by employing two kinds of D–π–A dyes with a pyridyl group capable of adsorbing at the Brønsted acid sites and the Lewis acid sites on a TiO₂ surface.

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Article information

DOI: https://doi.org/10.1039/C4RA14190C
Article type: Communication
Submitted: 10 Nov 2014
Accepted: 02 Dec 2014
First published: 03 Dec 2014

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RSC Adv., 2015,5, 2531-2535

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Effective co-sensitization using D–π–A dyes with a pyridyl group adsorbing at Brønsted acid sites and Lewis acid sites on a TiO₂ surface for dye-sensitized solar cells

Y. Ooyama, K. Uenaka, T. Sato, N. Shibayama and J. Ohshita, RSC Adv., 2015, 5, 2531 DOI: 10.1039/C4RA14190C

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