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Journal of Sol-Gel Science and Technology

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01-10-2014 | Original Paper

Effect of titanium isopropoxide addition in low-temperature cured TiO₂ photoanode for a flexible DSSC

Authors: Hohyoung Kim, Taejin Hwang

Published in: Journal of Sol-Gel Science and Technology | Issue 1/2014

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Abstract

In this study, titanium isopropoxide (TIPP) was employed as a binder for low-temperature processed photoanode of a flexible dye sensitized solar cell. The coating paste for dip-coating method was prepared comprising commercially available TiO₂ nanoparticles, TIPP and small amount of water. Effect of binder addition was compared at three different TIPP to TiO₂ nanoparticle molar ratios; 0.05, 0.1 and 0.3. By adding TIPP molecules directly to the coating paste, flexible photoanodes were successfully prepared. An optimum TIPP to TiO₂ particle ratio was selected considering the particle dispersion stability in the paste and the microstructure of prepared photoanode. The photoanode prepared using the paste with optimized composition showed highest photoconversion efficiency of 1.96 % from a unit cell.

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Title: Effect of titanium isopropoxide addition in low-temperature cured TiO2 photoanode for a flexible DSSC
Authors: Hohyoung Kim
Taejin Hwang
Publication date: 01-10-2014
Publisher: Springer US
Published in: Journal of Sol-Gel Science and Technology / Issue 1/2014
Print ISSN: 0928-0707
Electronic ISSN: 1573-4846
DOI: https://doi.org/10.1007/s10971-014-3427-0

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