A composite visible-light photocatalyst for hydrogen production

被引：57
|
作者：
Liu, Yiliang [1 ]
Guo, Liejin
Yan, Wei
Liu, Hongtan
机构：
[1] Xi An Jiao Tong Univ, SKLMF, Xian 710049, Peoples R China
[2] Univ Miami, Dept Mech & Aerosp Engn, Dorgan Solar Energy & Fuel Cell Lab, Miami, FL 33152 USA
来源：
JOURNAL OF POWER SOURCES | 2006年 / 159卷 / 02期
基金：
中国国家自然科学基金;
关键词：
photocatalyst; TiO2; hydrogen; visible light;
D O I：
10.1016/j.jpowsour.2005.11.105
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：
A composite photocatalyst, Pd-TiO2-xNx-WO3, was synthesized by the template method and characterized by energy dispersive X-ray micro-analysis (EDX), X-ray diffraction (XRD), UV-vis spectrometer, and scanning electron microscope (SEM). The results of EDX analysis reveals that the molecular formula of the composite photocatalyst can be expressed as Pd-TiO1.72N0.28-WO3. The UV-vis absorption spectrum indicates that the absorption edge of the catalyst red-shifts to around 600 nm. Under the irradiation with ultraviolet and visible light, the catalyst showed good performance for photocatalytic hydrogen production with a Na2S/Na2SO3 system as the sacrificial agent. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：1300 / 1304
页数：5
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