In situ photodeposition of NiOx on CdS for hydrogen production under visible light: Enhanced activity by controlling solution environment

被引：85

作者：

Chen, Xiaoping ^{[1
]}

Chen, Wei ^{[1
]}

Gao, Hanyang ^{[1
]}

Yang, Yu ^{[1
]}

Shangguan, Wenfeng ^{[1
,2
]}

机构：

[1] Shanghai Jiao Tong Univ, Res Ctr Combust & Environm Technol, Shanghai 200030, Peoples R China

[2] Shanghai Jiao Tong Univ, Key Lab Power Machinery & Engn, Minist Educ, Shanghai 200030, Peoples R China

来源：

APPLIED CATALYSIS B-ENVIRONMENTAL | 2014年 / 152卷

基金：

国家高技术研究发展计划(863计划);

关键词：

Photocatalysis; Hydrogen production; In situ photodeposition; CdS; Environment of photodeposition; PHOTOCATALYTIC H-2 EVOLUTION; IRRADIATION; WATER; GENERATION; COCATALYST; DEPOSITION;

D O I：

10.1016/j.apcatb.2014.01.022

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070305 [高分子化学与物理];

摘要：

Low-cost and effective cocatalysts nickel oxides were deposited on CdS via a simple in situ photodeposition under different solution. It was found that the environment of photodeposition played a critical role in photocatalytic H-2 evolution activities. CdS loaded nickel oxide in alkaline solution showed the highest activity of photocatalytic hydrogen production, reaching to 590.8 mu mol h(-1) when the mole ratio of Ni2+ and CdS was 0.01, which was 117 times higher than that of pure CdS. The high photocatalytic hydrogen production activity might be attributed to the following reasons: (1) NiO could disperse on CdS tightly; (2) the OH- in the alkaline solution could be benefit for the transfer of holes. Thus, the holes and electrons could be separated efficiently. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：68 / 72

页数：5

共 25 条

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