Photoelectric Characteristics of Nanocrystalline TiO 2 Film Prepared from TiO 2 Colloid Sol for Dye‐Sensitized Solar Cell

A working electrode in dye-sensitized solar cells was fabricated using $TiO_2$ colloidal sol prepared from titanium isopropoxide used as a starting material by applying the sol-gel method. The effect of aging times and temperatures on physical and chemical properties of $TiO_2$ sol particles was sys...

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Published inBulletin of the Korean Chemical Society Vol. 30; no. 10; pp. 2365 - 2370
Main Authors Hwang, Kyung-Jun, Lee, Jae-Wook, Yoon, Ho-Sung, Jang, Hee-Dong, Kim, Jin-Geol, Yang, Jin-Suk, Yoo, Seung-Joon
Format Journal Article
LanguageKorean
Published 2009
Subjects
Dye-sensitized solar cell
Aging
Ti $O_{2}$ colloidal sol
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Summary:A working electrode in dye-sensitized solar cells was fabricated using $TiO_2$ colloidal sol prepared from titanium isopropoxide used as a starting material by applying the sol-gel method. The effect of aging times and temperatures on physical and chemical properties of $TiO_2$ sol particles was systematically investigated. Results showed that the crystallinity and average particle size of $TiO_2$ colloidal sol can be successfully controlled by the adjustment of aging time and temperature. The conversion efficiency of the repetitive dry coating films fabricated using the dried $TiO_2$ colloidal sol particles and hydroxypropyl cellulose binder (15%) was 10.31% with a high transparency.
Bibliography:KISTI1.1003/JNL.JAKO200902727242943
ISSN:0253-2964
1229-5949