化工新型材料

化工新型材料 ›› 2018, Vol. 46 ›› Issue (2) : 1-4.

综述与专论

规整TiO₂纳米管阵列制备及其沉积改性研究进展

^1,2

^1*

作者信息 +

Research progress in preparation and deposition modification of ordered titanium dioxide nanotube array

Cheng Kai¹, Song Hua^1,2, Wang Xueqin¹

Author information +

文章历史 +

Received
2016-11-10
Issue Date	Revised Date
2018-03-13	2016-11-10

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摘要

TiO₂纳米管具有结构规整、比表面积大、催化活性高等优点,近年来受到越来越广泛的关注。然而受TiO₂纳米材料本身禁带宽度的限制,其仅在紫外光范围内有较高的催化效果,对太阳光谱的整体利用率很低。如何提高TiO₂纳米材料的光生电子利用率以及拓展其对可见光的吸收范围是目前研究领域内的热点,而采用元素掺杂可有效改善TiO₂纳米材料的能级结构。综述了金属元素、非金属、金属氧化物及半导体掺杂改性TiO₂纳米管的研究进展,为设计制备新一代TiO₂基高效催化剂以及加快TiO₂纳米材料的工业化应用进程提供依据。

Abstract

In recent years TiO₂ nanotube have received more and more attention because of its regular structure,large surface area and high catalytic activity.However,TiO₂ materials can only be excited by UV light,so render the use of solar irradiation inefficient because of its wide band gap.Many researches have been reported on how to expand its absorption range of visible light and improve the utilization efficiency of photo-excited charge carriers.Doping is an efficient way to improve the band structure of TiO₂ nanomaterials.The research progress on TiO₂ nanotubes doped by metal elements,nonmetal elements and metal oxide semiconductors was overviewed to provide the basis for the design of a new generation of TiO₂ based catalyst with high efficiency and to accelerate the industrialization of TiO₂ nanomaterials.

关键词

TiO₂纳米管 / 阳极氧化法 / 掺杂改性

Key words

TiO₂ nanotube / anodization oxidation / doping modification

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规整TiO₂纳米管阵列制备及其沉积改性研究进展[J]. 化工新型材料, 2018, 46(2): 1-4 DOI:

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