Graphene-induced spatial charge separation for selective water splitting over TiO2 photocatalyst

被引：21

作者：

Min, Shixiong ^{[1
]}

Wang, Fang ^{[1
]}

Lu, Gongxuan ^{[2
]}

机构：

[1] Beifang Univ Nationalities, Sch Chem & Chem Engn, Yinchuan 750021, Ningxia Provinc, Peoples R China

[2] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Oxo Synth & Select Oxidat, Lanzhou 730000, Peoples R China

来源：

CATALYSIS COMMUNICATIONS | 2016年 / 80卷

基金：

美国国家科学基金会; 中国国家自然科学基金;

关键词：

Reduced graphene oxide; TiO2; Spatial charge separation; Water splitting; VISIBLE-LIGHT; ANCHORING SEMICONDUCTOR; METAL NANOPARTICLES; HYDROGEN EVOLUTION; OXIDE;

D O I：

10.1016/j.catcom.2016.03.015

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：

Here we report that separately decorating TiO2 (P25) nanoparticles and CoOx cocatalyst on a single reduced graphene oxide (rGO) sheet results in an advanced photocatalyst, P25-rGO-Co, which exhibits enhanced photo catalytic performances for selective H-2 or O-2 evolution from water splitting. Characterization results show that rGO can not only efficiently accept and transport photogenerated electrons but also shuttle holes to CoOx cocatalyst simultaneously, achieving an efficient spatial charge separation on P25-rGO-Co, thus improving the half reaction efficiency. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：28 / 32

页数：5

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