%0 Journal Article
%T Microwave-AssistedPreparationofCdSNanoparticlesinaHalide-FreeIonicLiquidandTheirPhotocatalyticActivities
%A M. ESMAILI
%A A. HABIBI-YANGJEH
%J ´ß»¯Ñ§±¨
%P 933-938
%D 2011
%R 10.1016/S1872-2067(10)60217-3
%X £¿Amicrowave-assisted(4¨C6min)methodwasusedforthepreparationofCdSnanoparticlesin1-ethyl-3-methylimidazoliumethylsulfate,ahalide-freeroom-temperatureionicliquid(RTIL).ThesampleswerecharacterizedbypowderX-raydiffraction,energydispersiveX-rayspectroscopy,andscanningelectronmicroscopy.Diffusereflectancespectrashoweda1.33eVblueshiftrelativetobulkCdS.Thephotocatalyticactivitiesofthenanoparticlesforphotodegradationofmethyleneblue(MB)usingUVandvisiblelightweremeasured.ThephotodegradationofMBdecreasedwithcalcinationtemperature.FirstorderrateconstantsforthereactionundervisibleandUVirradiationsoverthenanoparticlespreparedintheRTILrichmediawere5.4and2.5higher,respectively,thanthesamplepreparedinwater.
%K nanoparticle
%K cadmiumsulfide
%K room-temperatureionicliquid
%K photocatalysis
%K methyleneblue
%U http://www.chxb.cn/CN/abstract/abstract20452.shtml