%0 Journal Article
%T FabricationandCharacterizationofTailoredTiO2andWO3/MWCNTCompositesforMethyleneBlueDecomposition
%A ZHU Lei
%A MENG Zeda
%A OH WonChun
%J ´ß»¯Ñ§±¨
%P 926-932
%D 2011
%R 10.1016/S1872-2067(10)60208-2
%X £¿Asol-gelmethodwasusedtoprepareWO3/MWCNT-TiO2composites.Theirphotocatalyticactivitieswereevaluatedbythedegradationofmethyleneblue(MB)solutionunderUVlight.ThecatalystswerecharacterizedbyX-raydiffraction,specificsurfaceareameasurement,energy-dispersiveX-rayanalysis,transmissionandscanningelectronmicroscopy.AqueousMBsolutionsof100mlwerephotodegradedbyasmallamountoftheWO3/MWCNT-TiO2compositeunderUVlightirradiation.ThephotocatalyticdatashowedthattheWO3/MWCNT-TiO2compositeachievedahighrateofMBphotodegradation.ThiswasattributedtotheuseofMWCNTwhichcanabsorbUVlighttocreatephoto-inducedelectrons,strongadsorptionofdyemoleculesonthephotocatalyst,andreducedrecombinationrateofelectron-holesintheWO3/MWCNT-TiO2compositeduetotheintroductionoftheWO3semiconductor.
%K tungstentrioxide
%K titaniumdioxide
%K multi-walledcarbonnanotube
%K photocatalyticactivity
%K methyleneblue
%U http://www.chxb.cn/CN/abstract/abstract20400.shtml