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KMID : 1059519930370121010
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Journal of the Korean Chemical Society
1993 Volume.37 No. 12 p.1010 ~ p.1018
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Photo-Electrochemical Properties of TiO2 Electrodes Prepared by Anodic Oxidation
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Choi Yong-Kook
Lee Soon-Ki
Choi Q-Won
Seong Jeong-Sub
Chjo Ki-Hyung
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Abstract
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The titanium oxide thin films were prepared by anodic oxidation. The Photo-electrochemical properties of the electrodes were studied in 1 M NaOH solution. The flat band potentials of TiO2 electrodes prepared by anodic oxidation showed around -0.8V and the values were shifted 0.2V to the positive potential direction that of single crystal TiO2. Reduction potential of oxygen by cyclic voltammetry showed around -0.95V vs. SCE and these reactions were processed totally irreversible. The photocurrent of electrodes were showed shorter wavelength than that of single crystal TiO2 and its current density decreased
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