二硫化钼MoS2的制备和应用

TheSynthesisMethodsandApplicationsofMoS2WeiGan,WeiyuXu,XiaozhiSu,ZhenYu,HuJin,WeiLi,XinWang,YiRen,JiafangXie,YancaiYao,ZhuonengBi12AboutthepresentationLiteraturecollectanddataanalysisWeiGan,XiaozhiSu,ZhenYu,HuJin,WeiLi,XinWang,YiRen,JiafangXie,YancaiYao,ZhuonengBiPPTprepareWeiGan,WeiyuXuPresenterWeiyuXu3AboutthepresentationIntroductionSynthesismethodsApplicationsIntroductionHighon/offratios~about108ExcellentopticalpropertiesSizeabledirectbandgap~1.9eVHigh2Delasticmoduli∼170N/mElectroneffectivemobilityrangingfrom1to480cm2/V·s4SyntheticmethodsMoS2Top-downBottom-upMicromechanicalexfoliationSolutionexfoliationCVDWetchemicalmethodHydrothermalsynthesis5Top-downmethods67Scotchtapemethod1.RepeatpeelingoffMoS2tofindthinflakes2.TransferthesethinMoS2flakesontotheSiO2/Sisubstrate3.RepeatpeelingtheMoS2onScotchtape4.ObservelightgreencolorofMoS2flakesontheScotchtapeLiuK.etal.NanoLett.2012,12,1538.Micromechanicalexfoliation8DisadvantageAdvantageSolutionexfoliation9ValeriaNicolosi,etal.Science,2013,340(6139)Schematicdescriptionofthemainsolutionexfoliationmechanisms10CharacterizationTechniquesTEMoffewlayermolybdenumdisulfide.(B)Low-resolutionTEMimagesofflakesofMoS2.(E)High-resolutionTEMimagesofMoS2monolayers.(Insets)FastFouriertransformsoftheimages.(H)Butterworth-filteredimagesofsectionsoftheimagesin(E).Bottom-upmethods11Hydrothermalsynthesis12Synthesisprocedureofhydrothermalmethod13IllustrationoftheformationprocessLinMa,etal.MaterialsLetters132(2014)291–[e-mail]2011,23(17),3879-3885Schemeoftheapparatusforthesynthesisof2DMS2@oleylaminenanosheetsbythermaldecompositionofthio-saltsofMoandWinthepresenceofoleylamine14CharacterizationTechniques15ClaudiaAltavilla.Etal.ChemMater2011,23(17),3879-3885CVD16KaiLiu.etal.NanoLett.2014,14,5097−5103ApplicationsBiomedicalEnergyStorageGassensorsElectrodeMemorydevicesField-effecttransistorsPhotocatalyticsPhototransistorsMoS217DrugDeliverywithPEGylatedMoS2Nano-sheetsTheextraordinaryspecificsurfaceratioofMoS2nanosheetsresultedfromtheiratomically-thin2DstructureenableshighlyefficientloadingoftherapeuticmoleculesTengLiu.etal.Adma.2014,26,343318ChangbaoZhu.etal.Angew.Chem.2014,53,2152ExcellentElectrochemicalperformanceforLithiumandSodiumstorageCapacity/mAhg-1Highrateperformanceofsuchacomposite19YifeiYu.NanoLett.2014,14,553ElectrocatalysisofMoS2forHydrogenEvolutionReaction2021MikaiChen.etal.ACSNano,2014,8(4),4023MultibitDataStorageStatesFormedinPlasma-TreatedMoS2TransistorsIllustrationofaback-gatedMoS2memoryFETcreatedbyasimpleplasmatreatmentItisestimatedthatthese4datastatescanbewelldiscerniblewithin10yearsoftheinitialapplicationsofprogrammingVGsignals22References1.Zhang,J.;Yu,H.;Chen,W.;Tian,X.;Liu,D.;Cheng,M.;Xie,G.;Yang,W.;Yang,R.;Bai,X.;Shi,D.;Zhang,G.,ScalableGrowthofHigh-QualityPolycrystallineMoS2MonolayersonSiO2withTunableGrainSizes.ACSnano2014.2.Liu,K.;Yan,Q.;Chen,M.;Fan,W.;Sun,Y.;Suh,J.;Fu,D.;Lee,S.;Zhou,J.;Tongay,S.;Ji,J.;Neaton,J.B.;Wu,J.,ElasticPropertiesofChemical-Vapor-DepositedMonolayerMoS2,WS2,andTheirBilayerHeterostructures.Nanoletters2014,14(9),5097-103.3.Ji,Q.;Zhang,Y.;Zhang,Y.;Liu,Z.,Chemicalvapourdepositionofgroup-VIBmetaldichalcogenidemonolayers:engineeredsubstratesfromamorphoustosinglecrystalline.ChemicalSocietyreviews2014.4.NicolosiV,ChhowallaM,KanatzidisMG,etal.Liquidexfoliationoflayeredmaterials[J].Science,2013,340(6139).5.Ma,L.;Xu,L.-M.;Zhou,X.-P.;Xu,X.-Y.,Biopolymer-assistedhydrothermalsynthesisofflower-likeMoS2microspheresandtheirsupercapacitiveproperties.MaterLett2014,132,291-294.6.Gong,Y.;Lin,J.;Wang,X.;Shi,G.;Lei,S.;Lin,Z.;Zou,X.;Ye,G.;Vajtai,R.;Yakobson,B.I.;Terrones,H.;Terrones,M.;Tay,B.K.;Lou,J.;Pantelides,S.T.;Liu,Z.;Zhou,W.;Ajayan,P.M.,Verticalandin-planeheterostructuresfromWS/MoSmonolayers.Naturematerials2014.7.Hong,X.;Kim,J.;Shi,S.F.;Zhang,Y.;Jin,C.;Sun,Y.;Tongay,S.;Wu,J.;Zhang,Y.;Wang,F.,UltrafastchargetransferinatomicallythinMoS2/WS2heterostructures.Naturenanotechnology2014,9(9),682-6.8.Late,D.J.;Huang,Y.K.;Liu,B.;Acharya,J.;Shirodkar,S.N.;Luo,J.;Yan,A.;Charles,D.;Waghmare,U.V.;Dravid,V.P.;Rao,C.N.,Sensingbehaviorofatomicallythin-layeredMoS2transistors.ACSnano2013,7(6),4879-9123ThankYouVeryMuch!