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Structural Phase Transformation and Photoluminescence of Zn doped TiO 2 Nanopowders

YUAN Zhi Hao a,b * , ZHANG Li De a (Institute of Solid State Physics, Chinese Academy of Sciences a Hefei, 230031; Department of Applied Chemistry, Anhui Agriculture University b , Hefei, 230036)  
Zn doped titania nanopowders was prepared by sol gel method. Influence of the dopant on the anatase to rutile phase transformation of TiO 2 was investigated. It was found that the Zn dopant can effectively enhance the transformation by lowering the transition temperature. In addition, photoluminescence of gel derived TiO 2 nanopowders under 228 nm light excition can be observed at room temperature, and its relative luminescence intensity can be increased by doping Zn into the titania nanopowders.
【Fund】: 国家攀登计划基金
【CateGory Index】: O482.31
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