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

页码：4252 / 4255

页数：4

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