On the role of metal particle size and surface coverage for photo-catalytic hydrogen production: A case study of the Au/CdS system
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- 作者：I. Majeeda ; M. Amtiaz Nadeema ; b ; NadeemMI@SABIC.com" class="auth_mail" title="E-mail the corresponding author ; M. Al-Oufib ; M. Arif Nadeema ; G.I.N. Waterhousec ; A. Badshaha ; J.B. Metsonc ; H. Idrissb ; d ; IdrissH@SABIC.com" class="auth_mail" title="E-mail the corresponding author ; h.idriss@ucl.ac.uk" class="auth_mail" title="E-mail the corresponding author
- 关键词：Au-CdS ; Photo-catalytic hydrogen production ; Metal particle agglomeration ; Visible light irradiation ; Ethanol&ndash ; water splitting
- 刊名：Applied Catalysis B: Environmental
- 出版年：2016
- 出版时间：March 2016
- 年：2016
- 卷：182
- 期：Complete
- 页码：266-276
- 全文大小：2548 K
文摘
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Active CdS-based photo-catalysts were prepared via dispersion of Au ions using KI.
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Photocatalytic H2 production from water-ethanol mixture is evaluated under visible light.
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Highest H2 production rate is obtained for ethanol–water electrolyte-Au/CdS system.
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A significant growth of Au particles was observed during the photocatalytic process, without affecting the reaction rate.
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A reaction mechanism involving both organic and inorganic agents is proposed.