Black Hydroxylated Titanium Dioxide Prepared via Ultrasonication with Enhanced Photocatalytic Activity

被引：178
作者：
Fan, Chenyao [1 ]
Chen, Chao [1 ]
Wang, Jia [1 ]
Fu, Xinxin [1 ]
Ren, Zhimin [1 ]
Qian, Guodong [1 ]
Wang, Zhiyu [1 ]
机构：
[1] Zhejiang Univ, Dept Mat Sci & Engn, State Key Lab Silicon Mat, Hangzhou 310027, Peoples R China
来源：
SCIENTIFIC REPORTS | 2015年 / 5卷
基金：
中国国家自然科学基金;
关键词：
SONOCHEMICAL SYNTHESIS; OPTICAL-PROPERTIES; OXYGEN VACANCY; TIO2; LIGHT; NANOPARTICLES; DISORDER; HYDROGEN; FILMS; IRRADIATION;
D O I：
10.1038/srep11712
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The amorphous TiO2 derived from hydroxylation has become an effective approach for the enhancement of photocatalytic activity of TiO2 since a kind of special black TiO2 was prepared by engineering disordered layers on TiO2 nanocrystals via hydrogenation. In this contribution, we prepared totally amorphous TiO2 with various degrees of blackness by introducing hydroxyls via ultrasonic irradiation, through which can we remarkably enhance the photocatalytic activity of TiO2 with improved light harvesting and narrowed band gap.
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页数：10
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