Cathodic Electrodeposition of TiO2 Thin Films for Dye-Sensitized Photoelectrochemical Applications

A convenient – and quick to realize – approach for cathodic electrodeposition of TiO2 films is suggested. Scanning electron microscopic examination of the resultant films reveals the formation of mesoporous TiO2. Since dye-sensitized photoelectrochemical investigations on cathodically electrodeposit...

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Bibliographic Details
Published in:Chemistry letters 2001, Vol.30 (1), p.78-79
Main Authors: Karuppuchamy, Subbian, Amalnerkar, Dinesh P, Yamaguchi, Koichi, Yoshida, Tsukasa, Sugiura, Takashi, Minoura, Hideki
Format: Article
Language:English
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Summary:A convenient – and quick to realize – approach for cathodic electrodeposition of TiO2 films is suggested. Scanning electron microscopic examination of the resultant films reveals the formation of mesoporous TiO2. Since dye-sensitized photoelectrochemical investigations on cathodically electrodeposited TiO2 films are hitherto unreported, we performed such investigations by sensitizing our mesoporous TiO2 films with cis-bis(4,4′-dicarboxy-2,2′-bipyridine)bis(thiocyanato)ruthenium(II). The preliminary studies exhibit incident photon-to-current conversion efficiency (IPCE) above 35% in the first attempt.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.2001.78