g-C3N4三元复合光催化剂的制备及其可见光驱动下的光催化活性增强-论文.pdf

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1、ChineseJournalofCatalysis35(2014)78—84催化学报2014年第35卷第1期1www．chxb．cnArticlePreparationofternaryAg／Ag3PO4／g-C3N4hybridph0tocatalystsandtheirenhancedphotocatalyticactivitydrivenbyvisiblelightKaiShena，MohammedAshrafGondalb，-．，RashidGhulamSiddiqueb，ShanShiaSiqiWanga，IiangboSunanQingyuXuColle

2、geofMaterialsScienceandTechnology,NanjingUniversityofAeronauticsandAstronautics,Nanjing211100,]iangsu,ChinaLaserResearchGroup,PhysicsDepartmentandCenterofExcellenceinNanotechnology,骼哪FahdUniversityofPetroleumandMinerals,Dhahran31261SaudiArabiacDepartmentofPhysics,SoutheastUniversity,Na

3、njina2n189，ndngsu’ChinaARTICLEINF0ABSTRACTArticlehistory：ThepreparationofaseriesofternaryAg／Ag3PO4／g-C3N4hybridphotocatalystswhichdisplayen-Received26July2013hancedphotocatalyticactivity，wasreported，Thecrystalstructure，morphology，composition，opti—Accepted10September2013calabsorption，an

4、defficientseparationofchargecarrierswerestudiedbyX—raydiffraction，scan—Published20January2014ningelectronmicroscopy,absorptionandphotoluminescencespectroscopymeasurements．UsingrhodamineBasamodelcontaminant,theas·preparedAg／Ag3PO4／g·C3N4hybridphotocatalystexhibitedsuperiordegradationper

5、formanceundervisiblelightirradiationthanAg3P04orbinaryKeywords：SilvernanoparticleAgaPO4／g-C3N4hybridphotocatalystsystems．Thesurfaceplasmonresonanceofthe4Onm-silvernanoparticlesformedonthesurfaceofAg3P04andtheheterojunctionformedattheinterfacebe-Silverorthophosphate(Ag3P04)tweenAg3P04an

6、dg-C3N4，areconsideredtobethemajorphysical·chemicaloriginandtoberespon-Graphiticcarbonnitride-C3N4)siblefortheenhancedphotocatalyticactivity．Surfaceplasmonresonance⑥2014，DalianInstituteofChemicalPhysicsChineseAcademyofSciences．HeterO1unctiOnstructurePublishedbyElsevierB．VAllrightsreserv

7、ed．1．Introductionthatcantakepartinph0to0xidati0nprocesses．Ag3P04alsohasaquantumeficiencyof90％atwavelengthslongerthan420Heter0gene0usphotocatalysisisapromisingapproachtonm[7]andshowshighphotocatalyticactivityowingtoitsab—developmentoftechnologyforenvironmentalremediation，sorptioninthe