Photoelectrochemistry of CdS/Zn2+-TiO2 Composite Semiconductor Nanoporous Films Sensitized by Ru(bpy)2(NCS)2 Dye

Abstract

Abstract: The Zn²⁺-doped TiO₂ nanoparticles were prepared with hydrothermal method. The photoelectrochemical properties of Zn²⁺-doped TiO₂ nanoporous film electrode sensitized by Ru(bpy)₂·(NCS)₂, and Zn²⁺-TiO₂/CdScomposite semiconductor nanoporous films sensitized by Ru(bpy)₂(NCS)₂ were studied respectively. Doping, sensitizing and forming composite semiconductor particles produced red-shifts on the photocurrent action spectra. The conversion efficiency of light to electricity for the Zn²⁺-TiO₂/CdScomposite semiconductor nanoporous films was greatly improved and reached maximum.

Key words: Photosensitization, Doped TiO₂ nanoporous-film electrodes, Composite semiconductor nanoporous film electrodes, Photoelectrochemistry

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ZHANG Li, WANG Yan-Qin, YANG Mai-Zhi, GAO En-Qin, CAI Sheng-Min . Photoelectrochemistry of CdS/Zn²⁺-TiO₂ Composite Semiconductor Nanoporous Films Sensitized by Ru(bpy)₂(NCS)₂ Dye[J]. Chem. J. Chinese Universities, 2000, 21(7): 1075.

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Photoelectrochemistry of CdS/Zn²⁺-TiO₂ Composite Semiconductor Nanoporous Films Sensitized by Ru(bpy)₂(NCS)₂ Dye

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