化工新型材料

化工新型材料 ›› 2019, Vol. 47 ›› Issue (9) : 28-31.

综述与专论

TiO₂纳米管负载改性方法研究进展

作者信息 +

Research progress on doping modification of TiO₂ nanotube

Chen Qihui, Cheng Kai, Wang Junlei, Wang Xueqin

Author information +

文章历史 +

Received
2018-04-12
Issue Date	Revised Date
2019-10-10	2018-04-12

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摘要

TiO₂纳米管作为一种几何结构规整、稳定性高、无毒的半导体光催化剂,受到科研人员的广泛关注。由于TiO₂纳米管禁带宽度较宽,因此对可见光的吸收利用受到限制,光生电子-空穴对的再复合使得TiO₂纳米管光生电子利用率较低。元素负载改性法可显著提高TiO₂纳米管光生电子利用率并拓宽其光吸收范围,而元素负载方法是成功实现元素负载并调控TiO₂纳米管反应活性的重要手段之一。综述了浸渍法、电化学沉积法、光化学沉积法、化学气相沉积法、离子溅射法和化学浴沉积法等用于负载改性TiO₂纳米管的方法,并展望了其未来发展方向。

Abstract

TiO₂ nanotubes has attracted great attentions due to its uniform geometric structure,high stability and non-toxic properties.However,the band gap limits its absorption and utilization of visible light,and the high recombination rate suppresses the utilization of photogenerated electrons and holes.Modification of TiO₂ nanotubes by loading other elements can significantly increase its photoelectron utilization rate and expand its light absorption range.The research progress on doping TiO₂ nanotubes by impregnation,electrochemical deposition,photochemical deposition,chemical vapor deposition,ion sputtering and chemical bath deposition were overviewed.Finally,the future development of TiO₂ nanotubes was also prospected.

关键词

TiO₂纳米管 / 负载改性 / 光催化 / 反应活性

Key words

TiO₂ nanotube / modification / photocatalysis / reaction activity

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TiO₂纳米管负载改性方法研究进展[J]. 化工新型材料, 2019, 47(9): 28-31 DOI:

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