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科技导报
| 综述文章 2013, 31(17): 66-71
TiO
2 光催化剂的改性研究进展
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张凤君, 刘卓婧, 刘兆煐, 贾春玉, 赵旭, 吕聪
作者信息
吉林大学地下水资源与环境教育部重点实验室,长春 130021
通讯作者:
吕聪,讲师,研究方向为环境污染防控与修复,电子信箱:lvcong@jlu.edu.cn
Review on the Modification of TiO2 Photocatalyst
Affiliations
出版时间: 2013-06-18
doi: 10.3981/j.issn.1000-7857.2013.17.012
文章导航
TiO2 光催化剂具有禁带宽度较大、光生电子-空穴易复合等缺点,因而国内外关于TiO2 光催化剂的改性研究很多。本文综述了贵金属沉积、元素掺杂(金属离子掺杂、非金属掺杂、共掺杂)、复合半导体、表面光敏化、表面酸化等TiO2 光催化剂改性方法及原理。其中,非金属掺杂和共掺杂改性可使TiO2 光响应波长红移,同时保留TiO2 对紫外光的响应,从而实现良好的处理效果叠加。最后展望了TiO2 光催化剂改性研究的未来研究方向,即兼顾生产成本,保持TiO2 在复杂环境下的稳定性,并提高其回收利用率。
TiO2 photocatalyst has some disadvantages, such as wider band gap, high electron-hole recombination rate, etc. Therefore, a lot of research work focused on the modification of TiO2 photocatalyst has been carried out at home and aboard. Some modification methods of TiO2 photocatalyst, e.g. noble metal deposition, element doping (metal ion doping, non-metal doping, and co-doping), compound semiconductor, photosensitization, and surface acidification, as well as their mechanisms are summarized. Among them, the response wavelength of TiO2 shows a red-shift after non-metal doping or co-doping, at the meanwhile, UV response of TiO2 is preserved, therefore, the superimposition of good process effect is realized. The future direction of photocatalytic study is looked into, giving consideration to the production cast, keeping the stability of TiO2 in complex environment, and increasing recovery rate of TiO2 .
photocatalysis
/
TiO2
/
modification
张凤君;刘卓婧;刘兆煐;贾春玉;赵旭;吕聪.
TiO2 光催化剂的改性研究进展.
科技导报,
2013
, 31
(17)
: 66
-71
.
DOI: 10.3981/j.issn.1000-7857.2013.17.012
ZHANG Fengjun;LIU Zhuojing;LIU Zhaoying;JIA Chunyu;ZHAO Xu;LÜCong.
Review on the Modification of TiO2 Photocatalyst[J].
Science & Technology Review ,
2013
, 31
(17)
: 66
-71
.
DOI: 10.3981/j.issn.1000-7857.2013.17.012
2013年第31卷第17期
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文章信息
doi: 10.3981/j.issn.1000-7857.2013.17.012
接收时间：2012-12-20
首发时间：2013-06-18
出版时间：2013-06-18
收稿日期：2012-12-20
修回日期：2013-04-27
通讯作者:
吕聪,讲师,研究方向为环境污染防控与修复,电子信箱:lvcong@jlu.edu.cn
https://castjournals.cast.org.cn/joweb/kjdb/CN/10.3981/j.issn.1000-7857.2013.17.012
引用本文
BibTeX
2种不同金属材料的力学参数
科 属数 种数 占总种数比例 属 种数 占总种数比例 鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78 小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39 多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39 红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87 小菇属 Mycena 11 5.26 光柄菇属 Pluteus 5 2.39 红菇属 Russula 17 8.13 栓菌属 Trametes 5 2.39
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