Colored TiO2 hollow spheres for efficient water-splitting photocatalysts

被引：9
|
作者：
Cao, Wanlu [1 ]
Wei, Bo [2 ]
Fu, Xianliang [3 ]
Ma, Ning [1 ]
Gao, Hong [1 ]
Xu, Lingling [1 ]
机构：
[1] Harbin Normal Univ, Sch Phys & Elect Engn, Key Lab Photon & Elect Bandgap Mat, Minist Educ, Harbin 150025, Peoples R China
[2] Harbin Inst Technol, Dept Phys, Harbin 150080, Peoples R China
[3] Huaibei Normal Univ, Coll Chem & Mat Sci, Huaibei 235000, Anhui, Peoples R China
来源：
RSC ADVANCES | 2016年 / 6卷 / 110期
基金：
中国国家自然科学基金; 黑龙江省自然科学基金;
关键词：
NANOWIRE ARRAYS; ABSORPTION; ORIGIN; RUTILE;
D O I：
10.1039/c6ra23151a
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
TiO2 nanomaterials have attracted tremendous interest in photocatalytic hydrogen generation. Herein we report unique colored anatase TiO2 hollow spheres consisting of crystalline-inner shell/amorphous-outer shell structured nanocrystallites, which exhibit remarkably enhanced photocatalytic performances for water splitting. The optimized TiO2 spheres delivered a H-2 production rate of 0.182 mmol g(-1) h(-1), which was 2 times higher than that of pristine TiO2. The enhanced activity can be ascribed to the generation of oxygen vacancies and Ti3+ sites.
引用
收藏
页码：108969 / 108973
页数：5
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