Journal
CATALYSIS COMMUNICATIONS
Volume 6, Issue 3, Pages 185-189Publisher
ELSEVIER
DOI: 10.1016/j.catcom.2004.12.006
Keywords
BiVO4 photocatalyst; silver loading; alkylphenols; adsorption; photodegradation
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Silver fine-particles loaded on BiVO4 photocatalyst by an impregnation method remarkably improve adsorptive and photocatalytic performance on the degradation of long-chain alkylphenols such as 4-n-nonylphenol (NP) and 4-n-octylphenol (OP). The Agloaded BiVO4 powders strongly adsorb NP and OP, which is attributable to silver oxides (Ag2O and/or Ago) partly covered on the silver surface. The specific adsorption property disappears when the surface silver oxides are reduced in a H-2 stream. Degradation rates and CO, mineralization yields for NP are increased by the Ag loading on BiVO4. (C) 2005 Elsevier B.V. All rights reserved.
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