A Highly Efficient and Stable Visible-Light Plasmonic Photocatalyst Ag-AgCl/CeO₂

Hongjuan Wang, Lin Yang, Hao Yu, Feng Peng

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DOI: 10.4236/wjnse.2011.14019                

Abstract

Noble metal Ag nanoparticles with unique surface plasmon resonance property have attracted much attention recently in the field of photocatalysis. Based on the advantages of Ag nanoparticles and semiconductor CeO₂, a novel plasmonic photocatalyst Ag-AgCl/CeO₂ was prepared with a facile route. The as-prepared samples were characterized using scanning and transmission electron microscopy, X-ray photoelectron spectroscopy and UV-vis diffusion re?ection spectroscopy. This metal-semiconductor nanocomposite plasmonic photocatalyst exhibited a high visible-light photocatalytic activity and good stability for photocatalytic degradation of methyl orange in water. Ag-AgCl/CeO₂ will be a potentially promising plasmonic photocatalysts for organic pollutant degradation and water purification.

Keywords

Plasmonic Photocatalyst, Ag Nanoparticle, AgCl, Visible Light, Photocatalytic Degradation

Conflicts of Interest

The authors declare no conflicts of interest.

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