钛酸锶的改性研究进展及应用

Research Progress and Application of Strontium Titanate Modifi cation

钛酸锶是一种常见的光催化剂,在紫外区有良好的吸收,为提高钛酸锶对太阳光的利用率,改善光生电荷复合率,研究人员对其进行改性研究,本文介绍了几种钛酸锶纳米材料的改性方法,如金属离子掺杂、非金属离子掺杂、共掺杂、构建异质结和负载助催化剂、形成氧空位等方法,以提高钛酸锶的光催化性能,并且介绍了钛酸锶在光催化产氢、降解、还原二氧化碳等方面的应用。

Strontium titanate is a common photocatalyst,in the ultraviolet region has good absorption,in order to improve the utilization rate of strontium titanate to sunlight,improve the photogenerated charge recombination rate,researchers to modify it,this paper introduces several strontium titanate nanomaterial modification methods,such as metal ion doping,non-metal ion doping,co-doping,construction of heterojunction,loadingt cocatalyst,introducing oxygen vacancies and other methods to improve the photocatalytic performance of strontium titanate,and introduces the application of strontium titanate in photocatalytic hydrogen production,degradation,reduction of carbon dioxide and other aspects.