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J. Korean Ceram. Soc. > Volume 20(4); 1983 > Article
Journal of the Korean Ceramic Society 1983;20(4): 356.
광전기 화학 변환을 위한 $TiO_2$ 세라믹 전극의 특성
윤기현, 김종선, 윤상옥
연세대학교 요업공학과
Characteristics of $TiO_2$ Ceramic Electrode for the Photoelectrochemical Conversion
The photocurrent vs. potential characteristics of the $TiO_2$ ceramic electrodes have been investigated as functions of numerous variables including sample purity hydrogen reduction condition and pH of the electrolyte. The difference inphotoresponse between 99.99% and 98.5% $TiO_2$ electrodes was due to electron trapping effect. As the hydrogen reducing temperature of $TiO_2$ electrodes were increased the photocurrent was also increased to certain condition and then decreased. These results can be explained by the behavior of oxygen vacancies
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