In-situ Photosynthetic Route to Tailor Point Defects in TiO2(B) Nanosheets for Visible Light-Driven Photocatalytic Hydrogen Production

被引：9
|
作者：
Wang, Ping [1 ]
Yi, Zhouxiang [1 ]
Zhang, Jiajia [1 ]
Cai, Zhengyang [1 ]
Lyu, Bowen [1 ]
Yang, Junhe [1 ]
Wang, Xianying [1 ]
机构：
[1] Univ Shanghai Sci & Technol, Sch Mat Sci & Technol, Jungong Rd 516, Shanghai 200093, Peoples R China
来源：
CHEMCATCHEM | 2019年 / 11卷 / 17期
基金：
中国国家自然科学基金;
关键词：
Photocatalysis; Water splitting; Titanium; Point defects; HIGHLY EFFICIENT; WATER; OXIDE; TI3+; COCATALYSTS; COMPOSITE;
D O I：
10.1002/cctc.201900713
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In-situ UV-irradiation activation leads to an intense visible-light absorption of up to 700 nm in ethylene glycolate-stabilized TiO2(B) nanosheets. It is ascribed that the creation of abundant subsurface/lattice oxygen vacancies and Ti3+ centers, along with UV-induced breakdown of Ti-O bonds between ethylene glycolate and TiO2(B). Consequently, the enhanced and stable visible-light-driven photocatalytic H-2 evolution is obtained on defect-rich TiO2(B) nanosheets.
引用
收藏
页码：4252 / 4255
页数：4
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