TiO2光催化剂改性研究进展
Research Progress of Modification of TiO2 Photocatalyst
DOI: 10.12677/AMC.2020.84010, PDF,   
作者: 孙 文*, 杨 珂：陕西地建土地工程技术研究院有限责任公司，陕西 西安；陕西省土地工程建设集团有限责任公司，陕西 西安；自然资源部退化及未利用土地整治工程重点实验室，陕西 西安；陕西省土地整治工程技术研究中心，陕西 西安
关键词: TiO2；光催化；改性；TiO2； Photocatalytic； Modified
摘要: 光催化是一种新兴的绿色环保方法。目前，研究最多的光催化材料是TiO2，由于其禁带宽度较大，对可见光响应较低，并且光生电子–空穴对容易复合，制约着在半导体光催化材料的实际应用。为了改善TiO2自身的缺陷，本文通过阐述TiO2光催化机理，分析传统TiO2光催化的局限性，针对这些问题综述了金属离子掺杂、贵金属修饰、半导体复合、非金属元素掺杂等方法，使TiO2获得良好的可见光光催化活性并讨论了TiO2光催化剂的未来研究发展方向。
Abstract: Photocatalysis is an emerging green environmental protection method. At present, the most studied photocatalytic material is TiO2. Due to its large band gap, the response to visible light is low, and the photo-generated electron-hole pairs are easy to recombine, which restricts the practical application of semiconductor photocatalytic materials. In order to improve the defects of TiO2 itself, this article explains the TiO2 photocatalysis mechanism and analyzes the limitations of traditional TiO2 photocatalysis. In view of these problems, it summarizes the methods of metal ion doping, noble metal modification, semiconductor recombination, and non-metal element doping. Obtained good visible light photocatalytic activity and discussed the future research and development direction of TiO2 photocatalyst.
文章引用：孙文, 杨珂. TiO2光催化剂改性研究进展[J]. 材料化学前沿, 2020, 8(4): 76-80. https://doi.org/10.12677/AMC.2020.84010

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