模板法制备介孔TiO_2光催化剂的研究进展

The advancements in template methods of mesoporous TiO_2 photocatalysts

介绍了各样模板及相关介孔制备体系,包含表面活性剂模板制备,非表面活性剂模板制备,其它模板制备及非模板制备。结果显示介孔结构可以很好的提高纳米TiO2的光催化活性,虽然在少数例子中介孔结构对光催化活性产生的影响很小或是没有影响。重点论述了上述研究方法的原理、优缺点和在改变TiO2性能中的应用,以及这些方法相结合所取得的一些研究进展;并指出这些方法在TiO2光催化剂的研究中发挥的重要作用。

A critical review on the advancements in template methods of mesoporous TiO2 photocatalysts was provided. Various templates and related systems of mesoporous preparation were considered, ranging from surfactant tem- plates preparing, non-surfactant templates preparing to other templates and non-templates preparing of TiO2. The results available showed that nano-TiO2 with mesoporous structure usually resulted in a promoted efficiency of the TiO2 photocata-lyst, though in some few cases, the mesoporous structure will create minimal or no impacts on the TiO2 photocatalytic effi- ciency. The principles, advantages and disadvantages of these methods and their applications in investigating the properties of TiO2, especially the progress in the combination of these methods to investigate the properties of TiO2, were introduced in detail,and these methods will be considerable to study the new materials or the traditional materials for TiO2 photocatalysts in the future.