Fabrication of platinum-deposited carbon nitride nanotubes by a one-step solvothermal treatment strategy and their efficient visible-light photocatalytic activity.pdf

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1、AppliedCatalysisB:Environmental165(2015)428–437ContentslistsavailableatScienceDirectAppliedCatalysisB:Environmentaljournalhomepage:www.elsevier.com/locate/apcatbFabricationofplatinum-depositedcarbonnitridenanotubesbyaone-stepsolvothermaltreatmentstrategyan

2、dtheirefficientvisible-lightphotocatalyticactivityKexinaaaa,∗aLi,ZhenxingZeng,LiushuiYan,ShenglianLuo,XubiaoLuo,MingxinHuobb,YihangGuoaKeyLaboratoryofJiangxiProvinceforPersistentPollutantsControlandResourcesRecycle,NanchangHangkongUniversity,Nanchang330063,

3、PRChinabJilinEngineeringResearchCentreforMunicipalWastewaterTreatmentandWaterQualityProtection,SchoolofEnvironment,NortheastNormalUniversity,Changchun130117,PRChinaarticleinfoabstractArticlehistory:Aseriesofplatinumnanoparticles-depositedcarbonnitridenanot

4、ubes(Pt/C3N4NTs)wasfabricatedby2August2014Receivedasimpleone-stepsolvothermaltreatmentstrategyusinggraphitecarbonnitride(g-C3N4)andchloro-Receivedinrevisedform9October2014platinicacid(H2PtCl6·6H2O)asprecursors.Themorphology,porosity,phaseandchemicalstructu

5、re,andAccepted14October2014opticalandelectronicpropertiesofPt/C3N4NTswerewellcharacterized.Comparedwithbulkg-C3N4,Availableonline22October2014theas-preparedPt/C3N4NTsexhibitedefficientphotocatalyticactivitytowardhydrogenevolutionfromwater-splittingKeywords:

6、andaqueousp-chlorophenoldegradationundervisible-lightirradiation(>420nm)asaresultoftheiruniquetubularnanostructureandthesynergiceffectofPtnanoparticles.Subsequently,theNoblemetalactivitiesofsimultaneoushydrogenevolutionwithorganicpollutantdegradationwerea

7、lsotestedusingGraphiticcarbonnitrideas-preparedNanotubesPt/C3N4NTsundertherepresentativeorganicpollutantsp-chlorophenol,p-nitrophenol,methyleneblue,orrhodamineBaselectrondonors.Finally,thephotocatalyticmechanismsinthreeHydrogenevolutiondifferentphotocataly

8、ticsystemswerediscussed.Organicpollutantdegradation©2014ElsevierB.V.Allrightsreserved.1.Introductioneffectivestrategiestoimprovethephotocatalyticactivityofsemi-conductorphotocatalysts.Therefore,someresearcher