Design and Development of Novel Nanostructured Visible-Light Active Photoelectrodes based on TiO2 Nanorods for Solar Hydrogen Generation
Ulugbek ShaislamovCenter for Development of Nanotechnologies at the National University of Uzbekistan, Tashkent, UzbekistanAmugul EsbergenovaCenter for Development of Nanotechnologies at the National University of Uzbekistan, Tashkent, UzbekistanK. M. MukimovCenter for Development of Nanotechnologies at the National University of Uzbekistan, Tashkent, UzbekistanOlim RuzimuradovTurin Polytechnical University in Tashkent, Tashkent, Uzbekistan
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Single crystalline rutile TiO2 nanorods were synthesized by using low temperature hydrothermal synthesis method. Activity of the TiO2 nanorods in the visible light range was achieved by introducing low bandgap semiconductor materials, such as CdS, CdSe, and CdS/CdSe and their photoelectrochemical performances were comparatively investigated. Morphological, microstructural and photocatalytic characterization results revealed that TiO2/CdS/CdSe composite photoelectrode demonstrated superior photocatalytic performance compared to others owing to single crystalline TiO2 core component as well as favorable band alignment of the sensitized CdSe/CdSe nanoparticles.
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