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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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RareEarthOxide-TreatedFullereneandTitaniaCompositeswithEnhancedPhotocatalyticActivityfortheDegradationofMethyleneBlue
DOI: 10.1016/S1872-2067(10)60258-6, PP. 1457-1464
Keywords: fullerene,yttrium,titania,visiblelight,methyleneblue
Abstract:
？Rareearthoxide-treatedfullereneandtitaniacomposites(Y-fullerene/TiO2)werepreparedbythesol-gelmethod.Theproductshadinterestingsurfacecompositions.X-raydiffractionpatternsofthecompositesshowedthattheY-fullerene/TiO2compositescontainedasingleandclearanatasephase.Thesurfacepropertieswereobservedbyscanningelectronmicroscopy,whichgaveacharacterizationofthetextureontheY-fullerene/TiO2compositesandshowedahomogenousdistributionoftitaniumparticles.Theenergy-dispersiveX-rayspectrashowedthepresenceofCandTiwithstrongYpeaks.ThecompositeobtainedwasalsocharacterizedwithtransmissionelectronmicroscopyandUV-Visspectroscopy.ThephotocatalyticresultsshowedthattheY-fullerene/TiO2compositeshadexcellentactivityforthedegradationofmethyleneblueundervisiblelightirradiation.ThiswasattributedtoboththeeffectsonthephotocatalysisofthesupportedTiO2bychargetransferbythefullerene,andtheintroductionofyttriumtoenhancephoto-generatedelectrontransfer.
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