Search results for "ZnO-SnO2 nanocomposite"

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Sol-gel synthesis and photocatalytic activity of ZnO-SnO2 nanocomposites

2014

Abstract ZnO–SnO 2 nanocomposites were synthesized by a facile sol–gel synthesis route and characterized through X-ray diffraction, BET specific surface area analysis, UV–vis diffuse reflectance spectroscopy, photoluminescence spectroscopy, X-ray photoelectron spectroscopy, scanning electron microscopy, transmission electron microscopy. The photocatalytic activity of the samples was tested using the degradation of 4-nitrophenol under UV light as model reaction. The ZnO/SnO 2 molar ratio was varied in order to study its influence on the photoefficiency of the samples. The ZnO–SnO 2 nanocomposites showed higher photoactivity than the pure oxides and in particular the sample with ZnO/SnO 2 mol…

Diffuse reflectance infrared fourier transformChemistryScanning electron microscopeProcess Chemistry and TechnologyAnalytical chemistryHeterojunctionCatalysisZnO-SnO2 nanocompositePhotocatalysiX-ray photoelectron spectroscopyHeterojunction effectSpecific surface areaPhotocatalysisPhotocatalysis; ZnO-SnO2 nanocomposites; Sol-gel method; Heterojunction effectSettore CHIM/07 - Fondamenti Chimici Delle TecnologiePhysical and Theoretical ChemistrySpectroscopySol-gel methodSol-gel

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