| 杜瑞成,王小玉,李燕,王霆,王亮,杨述燕.化学通报,2023,86(10):1172-1180. |
| 纳米TiO2光催化剂改性研究进展 |
| Research progress in the modification of nano-TiO2 photocatalyst |
| 投稿时间：2023-03-01 修订日期：2023-03-15 |
| DOI： |
| 中文关键词: 二氧化钛 能带结构 光催化 降解机理 结构改性 |
| 英文关键词:titanium dioxide energy band structure photocatalysis mechanism modification |
| 基金项目:兰州石化职业技术大学教科研基金（KJ2021-15） |
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| 中文摘要: |
| TiO2光催化活性高，化学稳定性好，绿色环保及价廉等特点，在污水处理、有机污染物降解、催化制氢、抗菌抗癌及自清洁等方面有巨大的应用前景。然而TiO2半导体禁带宽，光谱范围小，光量子效率低等问题限制了其光催化性能。文章综述了TiO2光催化剂优化改性的研究进展，系统分析了TiO2半导体的结构特征与作用机理，以及TiO2光催化过程的影响因素，着重介绍了TiO2光催化剂多元优化改性方法的优势及不足，最后对未来发展新型TiO2基光催化剂提出了建议。 |
| 英文摘要: |
| TiO2 has characterized by high photocatalytic activity, good chemical stability, green environmental protection, and a low price.It has great application prospects in sewage treatment, organic pollutant degradation, catalytic hydrogen production, antibacterial and anticancer, and self-cleaning. However, the band gap of TiO2 semiconductors, the small spectral range and the low efficiency of light quantum are limitation that limit their photocatalytic performance. The research progress of the optimization modification of TiO2 photocatalyst is summarized in this paper, which systematically analyzes the structural characteristics and mechanism of TiO2 semiconductors, as well as the influencing factors,and finally put forward suggestions for the development of new TiO2 photocatalyst in the future. |
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