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Park, J.T., Roh, D.K., Patel, R., Kim, E., Ryu, D.Y. and Kim, J.H. (2010) Preparation of TiO2 spheres with hierarchical pores via grafting polymerization and sol-gel process for dye-sensitized solar cells. Journal of Materials Chemistry, 20, 8521-8530.

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• 标题: 单分散锐钛矿型TiO2亚微米球的制备与光催化性能研究 Synthesis and Photocatalytic Activity of Uniform Anatanse TiO2 Sub-Microspheres

  作者: 李巧娜, 陆晓晓, 沈莉, 何泽, 梅玲莉, 朱连文

  关键字: 二氧化钛, 亚微米球, 光催化剂, 纳米线球, 纳米管球Titanium Dioxide, Sub-Microspheres, Photocatalyst, Nanowire Sphere, Nanotube Sphere

  期刊名称: 《Journal of Advances in Physical Chemistry》, Vol.3 No.3, 2014-08-06

  摘要: 以钛酸四正丁酯为钛源，柠檬酸为辅助剂，无水乙醇为溶剂，采用溶剂热法制备了单分散锐钛矿型TiO2亚微米级球，并研究了其对罗丹明的光催化降解性能。此外，以制备的TiO2亚微米级球为前驱体，利用其与浓碱的水热反应，制备了具有等级结构的钛酸盐纳米线球和纳米管球。 Uniform anatase TiO2 sub-microspheres composed of nanoparticles were prepared via a citric acid as assisted hydrolysis of tetra-n-butyl titanate in ethanol under solvothermal conditions. The photocatalytic activity of the as-prepared TiO2 spheres was evaluated by the photodegradation of RhB. The as-prepared TiO2 spheres were treated with concentrated alkali hydroxide solution to transform nanoparticles into nanotubes, leading to the formation of hierarchically structured TiO2 spheres consisting of nanotubes.