Photocatalytic degradation of methyl orange by gold silver nano-core/silica nano-shell

Faculty	Science	Year:	2007
Type of Publication:	Article	Pages:	413-419
Authors:	Mahmoud, M. A, Badr, Y	DOI:	10.1016/j.jpcs.2006.12.009
Journal:	JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS PERGAMON-ELSEVIER SCIENCE LTD	Volume:	68
Research Area:	Chemistry; Physics	ISSN	ISI:000245162800015
Keywords :	Photocatalytic degradation , methyl orange , gold silver
Abstract:	The silica nanoparticles (SiO(2) NPs), silver (Ag) NPs and gold (An) NPs coated with SiO(2) NPs (core-shell), were prepared. The sizes and morphology of the particles were indicated. The three prepared NPs were used for photocatalytic degradation of methyl orange (MO) dye by xenon lamp. Rate of photocatalytic degradation reaction constant and lifetime were calculated for each catalyst. Moreover, the mechanism of the photocatalytic reaction was studied. (c) 2006 Elsevier Ltd. All rights reserved.
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