Synthesis of Pt/Zn(OH)2/Cd0.3Zn0.7S for the Photocatalytic Hydrogen Evolution from Aqueous Solutions of Organic and Inorganic Electron Donors Under Visible Light

被引：0
|
作者：
Dina V. Markovskaya
Ekaterina A. Kozlova
Svetlana V. Cherepanova
Andrey A. Saraev
Evgeny Yu. Gerasimov
Valentin N. Parmon
机构：
[1] Boreskov Institute of Catalysis SB RAS,Educational Center for Energy Efficient Catalysis
[2] Novosibirsk State University,undefined
[3] Novosibirsk State University,undefined
来源：
Topics in Catalysis | 2016年 / 59卷
关键词：
Photocatalytic hydrogen production; Visible light; Na; S/Na; SO; Ethanol; Pt/Cd; Zn; S;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The work discusses the preparation of multiphase Zn(OH)2/Cd1−xZnxS and Pt/Zn(OH)2/Cd1−xZnxS photocatalysts sensitive to visible light. The synthesized photocatalysts were investigated by X-ray diffraction, X-ray photoelectron spectroscopy, and HRTEM techniques. Photocatalytic activity of synthesized samples was investigated in the hydrogen evolution from aqueous solutions of inorganic and organic electron donors, Na2S/Na2SO3 and ethanol, respectively, under the influence of visible light with λ = 450 nm. The photocatalytic hydrogen evolution over said multiphase photocatalysts occurs after some induction period needed for the photocatalyst self-activation. The highest apparent quantum efficiencies achieved at 450 nm for hydrogen evolution from Na2S/Na2SO3 (over 20 % Zn(OH)2/Cd0.3Zn0.7S) and ethanol (over 1 % Pt/10 % Zn(OH)2/Cd0.3Zn0.7S) aqueous solutions were 39 and 6.1 % respectively, appearing to be quite high values for the photocatalytic hydrogen evolution under visible light.
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页码：1297 / 1304
页数：7
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