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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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Microwave-AssistedPreparationofCdSNanoparticlesinaHalide-FreeIonicLiquidandTheirPhotocatalyticActivities
DOI: 10.1016/S1872-2067(10)60217-3, PP. 933-938
Keywords: nanoparticle,cadmiumsulfide,room-temperatureionicliquid,photocatalysis,methyleneblue
Abstract:
？Amicrowave-assisted(4–6min)methodwasusedforthepreparationofCdSnanoparticlesin1-ethyl-3-methylimidazoliumethylsulfate,ahalide-freeroom-temperatureionicliquid(RTIL).ThesampleswerecharacterizedbypowderX-raydiffraction,energydispersiveX-rayspectroscopy,andscanningelectronmicroscopy.Diffusereflectancespectrashoweda1.33eVblueshiftrelativetobulkCdS.Thephotocatalyticactivitiesofthenanoparticlesforphotodegradationofmethyleneblue(MB)usingUVandvisiblelightweremeasured.ThephotodegradationofMBdecreasedwithcalcinationtemperature.FirstorderrateconstantsforthereactionundervisibleandUVirradiationsoverthenanoparticlespreparedintheRTILrichmediawere5.4and2.5higher,respectively,thanthesamplepreparedinwater.
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