资源描述：
《Visible-light-induced heterostructured Zn-Al-In derived from a single precursor》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、ChemicalEngineeringJournal174(2011)467–474ContentslistsavailableatSciVerseScienceDirectChemicalEngineeringJournaljournalhomepage:www.elsevier.com/locate/cejVisible-light-inducedheterostructuredZn–Al–Inmixedmetaloxidenanocompositephotocatalystsderivedfromasingle
2、precursorGuoli∗Fan,WeiSun,HuiWang,FengLiStateKeyLaboratoryofChemicalResourceEngineering,BeijingUniversityofChemicalTechnology,Box98,Beijing100029,ChinaarticleinfoabstractArticlehistory:Thepresentworkreportedthesynthesisofvisible-light-inducedheterostructuredZn–
3、Al–InmixedmetalReceived7April2011oxide(ZnAlIn-MMO)nanocompositephotocatalystsderivedfromZn–Al–InlayereddoublehydroxideReceivedinrevisedform6August2011precursors.10Thestructuralandopticalpropertiesofthenovelnanomaterialswerecharacterizedbypow-September2011Accept
4、edder27X-raydiffraction(XRD),Alsolid-statenuclearmagneticresonance(NMR),transmissionelectronmicroscopyKeywords:(TEM),lowtemperaturenitrogenadsorption–desorptionexperimentsandUV–visdiffusereflectanceoxidespectroscopy.Theresultsrevealthatthewell-dispersedamorphous
5、In2O3domainscanbeIndiumintimatelyattachedtoZnOnanocrystallitesintheZnAlIn-MMOnanocomposites,thusformingthehet-ZincoxideerostructureNanocompositeofmixedmetaloxides,andthatthebandgapsofZnAlIn-MMOnanomaterialsareintherangeofPhotocatalyst2.50–2.60eV,indicativeofvis
6、iblelightabsorptioncharacteristic.Comparedtosingle-phaseIn2O3sam-ple,ZnAlIn-MMOnanocompositesexhibitedenhancedphotocatalyticactivitytowardsthedegradationVisiblelightofmethyleneblueundervisiblelightirradiation.Especially,ZnAlIn-MMOwiththeZn/Al/Inmolarratioof6:1:
7、1hadthehighestphotocatalyticactivity,whichwasattributabletotheefficientseparationandtransportationofphotogeneratedchargecarriersoriginatingfromthenovelheterostructureandlargespecificsurfaceareaofsuchnanocomposite.Thepresentfindingprovidesanapproachtofabricatenewty
8、pesofvisible-light-inducedheteronanostructuredphotocatalysts.©2011ElsevierB.V.Allrightsreserved.1.Introductionsemiconductorphotocatalystsformedbycouplingtwokindsofmetaloxide
