化工新型材料

化工新型材料 ›› 2018, Vol. 46 ›› Issue (1) : 13-16.

综述与专论

稀土元素掺杂TiO₂研究进展

^1,2

^1,2*

作者信息 +

Research progress on rare earth element doped TiO₂

Zhu Xiaodong^1,2, Wang Chenxi¹, Lei Jiahao¹, Wen Guilan¹, Yi Qian¹, Feng Wei^1,2

Author information +

文章历史 +

Received
2017-02-27
Issue Date	Revised Date
2018-03-01	2017-02-27

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摘要

TiO₂由于其优异的光电性能在环境保护、太阳能电池、抗菌抑菌等领域都有重要的应用。而纯TiO₂因为太阳能利用率较低以及光生电子空穴对较快的复合使其性能不能得到充分发挥。稀土元素掺杂能减小禁带宽度以及捕获光生电子或空穴,使光催化性能以及光电转换效率提高。综述了近年来稀土元素单掺杂、稀土元素共掺杂TiO₂的制备以及研究最新进展。

Abstract

TiO₂ has important applications in the fields of environmental protection,solar cells,antimicrobial and so on due to its excellent photoelectric properties.However,the performance of pure TiO₂ can't be fully utilized because of the low utilization ratio of solar energy and the fast recombination of photogenerated electron hole pairs.The band gap will be decreased and the photogenerated electrons and holes will be captured by the doping of rare earth elements,which improve the photocatalytic activity and ephotoelectric conversion efficiency.The recent progress in the preparation and research of TiO₂ with rare earth single-elemnet doping and co-doping with another elements was reviewed.

关键词

TiO₂ / 稀土元素掺杂 / 光催化性能 / 研究进展

Key words

TiO₂ / rare earth doping / photocatalytic activity / research progress

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