新型二维晶体MXene的研究进展

4311Vol．43No．11201411JOURNALOFSYNTHETICCRYSTALSNovember2014MXene454000MXeneMn+1XnMXn=1、2、3。MXeneMn+1XnTx。MXene、、、。MXene。MXeneTB303A1000-985X201411-2950-07ResearchProgressofNewTwo-dimensionalMXeneCrytalsSUNDan-danHUQian-kuLIZheng-yangWANGLi-boZHOUAi-guoWUQing-huaSchoolofMaterialsScienceandEngineeringHenanPolytechnicUniversityJiaozuo454000ChinaReceived19May2014accepted29July2014AbstractMXeneaseriesoftwo-dimensional2DcarbidesorcarbonitrideshaveaformularMn+1XnwhereMistransitionmetalXiscarbonornitrogenandn=123．AsMXeneisusuallycoveredbyfunctionalgroupstheformularofMn+1XnTxisalsoused．Thesematerialshaveauniquesetofpropertiessuchasgoodconductivitytransparencymagnetismlowtemperaturethermoelectricityhighenergystorageetc．InthispaperthelatestexperimentalandtheoreticalachievementsonMXene＇structuresandpropertieswassummarizedandtheexistingproblemswasanalyzedwhilethepossibleapplicationsandresearchdirectionsofMXeneinthefuturewaspredicted．KeywordsMXene2Dcrystaltheoreticalcalculationsynthesispropertyapplication2014-05-192014-07-295120511151472075134100510008T2013-41988-。[e-mail]。[e-mail]12011Drexel1Ti3AlC2Ti3C2TxT-F-OH。Ti3AlC2MAX2。MAXMn+1AXnMAⅢ、ⅣXCNn=1、2、3。MAXMAXM-AM-X。MAXAMXMn+1XnMAXGrapheneMXene。11MXene2951MXene、、MXene。2MXeneMAXMXeneTi3C2、Ti2C、Ta4C3、TiNbC、V0．5Cr0．53C2、V2C、Nb2C、Nb4C3Ti3CN3-5MXene1。Ti3C2Tx1。Ti3AlC250%2hTi3C2Tx112Ti3AlC2+6HF=2AlF3+3H2+2Ti3C21Ti3C2+2H2O=Ti3C2OH2+H22Ti3C2+2HF=Ti3C2F2+H231MXeneTable1ExperimentalparametersforpreparingdifferentMXenephasesMXeneMAXEtchingsolutionTime/hclatticeparameter/nmMAXMXeneRef．Ti2CTxTi2AlC10%HF101．361．5043Nb2CTxNb2AlC50%HF901．3882．2344V2CTxV2AlC50%HF81．3132．3964TiNbCTxTiNbAlC50%HF281．3791．4883V0．5Cr0．53C2TxV0．5Cr0．53AlC250%HF691．7732．4263Ti3CNTxTi3AlCN30%HF181．8412．2283Ti3C2TxTi3AlC2Ti3AlC2Ti3AlC250%HF40%HF1mol/LNH4HF222031．84218．621．862．05120．892．471367Ta4C3TxTa4AlC350%HF722．4083．0343Nb4C3TxNb4AlC348%-51%HF962．2423．05951Ti3AlC2aTi3AlC2bAlTiOHcTi3C2OH2Fig．1SchematicdiagramoftheexfoliationprocessforTi3AlC2byhydrofluoricacidaTi3AlC2structurebTiatomsterminatedbyOHgroupafterAllayersareremovedcseparationoftwo-dimensionalTi3C2OH2nanosheetsafterultrasonicwavetreatment、。NH4HF2Ti3AlC2Ti3C27。1MAXMXene89MAX。Ti3CNTxMXeneMn+1NnMn+1CnIvanovskii10-12。、MXene13。295243、MXene3。MAXMXene4。MAX、、14MAXMXene、、、MXeneMXene。3MXene、MXeneMAXP63/mmc/M/X……/M/M6X2aTi3C2Tx5Ti1/C1/Ti2/C2/Ti3Ti1topCHollow1Ti2Hollow2。MXene-O、-F-OHHollow216-20。Xie21MXene-OH-O-F-F-OH-OMXene。2F/OHollow2Ti3C2TxShi22a=0．30505nmc=1．986nm。2aTi3C2TxbTi3C2Tx15Fig．2aSchematicdiagramofTi3C2TxsturcturebfieldemissionscanningelectronmicrosgraphofTi3C2Tx2bMXene15。“”13“”Ti3C2Tx1。Ivanovskii16MXene。Tin+1XnTin+1XnTx。MXene18Naguib231150℃Ti3C2Tx5sTiO2/。CO2150℃500℃MXene。MXene。44．1N2H4·H2OTi3C2Tx、TiNbCTx、Ti3CNTx24MXene。DMSOTi3C2Tx“”Ti3C2Tx≤5Ti3C2TxTi3C2Tx1013。Li+、Na+、Mg2+、K+、NH+4Al3+Ti3C2Tx25c。MXene“”MXene“MXene”。4．2MXene、、、1216-20MXened。Ti、Zr11MXene2953HfMXeneTi2CO2、Zr2CO2HF2CO20．24eV、0．88eV1．0eV。Sc2CF2、Sc2CO2Sc2COH220。19、7、26MXene27MXene。Xie17Tin+1CnTin+1Nnn=1～9MXenes。Cr2CCr2N20。MXenesLDATa2CTa4C3PBEsol28。MXenesMXenes。Khazaei27BoltzmannMo2CF2S、σS2σ。MXene400KS100μV/K20。HFNH4HF2Ti3AlC2MXene19nmMXene-90%。2930MXenesMoS2。Mauchamp31Ti3C2Ti3C2MXene32。4．3MXene0．2mV/sTi2CTxSEI。C/25Ti2CTx225mAh/g33。Ti2CTx34、MXene。Nb2CTxV2CTx4。1CNb2CTxV2CTx422mAh/g380mAh/gTi2CTx。Nb2CTxV2CTx“Nb2CTx”“V2CTx”。MXenes。MXene。1C“Ti3C2Tx”410mAh/gTi3C2TxTi3C2Tx24。KOH“Ti3C2Tx”340F/cm321A/g1000025。MXene。Tang35Ti3C2Ti3C2Li2320mAh/gTi3C2T2T=FOH。Xie21MXeneMXene。MXenes“Ti3C2Tx”98m2/g25。MXenes、25MXene。4．4MXeneXie36Ti3C2Tx。Pt/Ti3C2TxPt/C。Ivanovskii19MXenesCH2OHMXene。2954434．5MXenePeng37Ti3C2Pb2+MXene。Ca2+、Mg2+MXenePb2+。MXene、。4．6MXene3Ti2C38Fig．3SchematicdiagramofTi2ChydrogenstoragemechanismsTi2C、Sc2CV2C38MXene。3、KubasTi2C8．6wt%。Kubas3．4wt%/。MXeneSc2C。Sc2C9．0wt%Kubas3．6wt%。Sc2CKubas0．164eV/39。4．7MXeneGan40MoS2/Ti2CTi2CMoS2。MoS2/Ti2CF2MoS2/Ti2COH2MoS2。Ma26TMDs/Sc2CF20．13～1．18eVⅡ-Sc2CF2TMDs-。414215MXene/Cu2OCu2O。、MXene/4344。5、MXene、、、、、、4445。MXene、1MAXMXene2MXene、、、、Ti3C2MXene3MXene、MXene4MXene5Ti3C2TxMXeneMXeneMXene6MXeneMXene、、、、11MXene2955。1NaguibMKurtogluMPresserVetal．Two-DimensionalNanocrystalsProducedbyExfoliationofTi3AlC2J．Adv．Mater201123374248-4253．2BarsoumMW．TheMN+1AXNPhasesANewClassofSolidsJ．Prog．SolidStateChem．200028201-281．3NaguibMMashtalirOCarleJetal．Two-dimensionalTransitionMetalCarbidesJ．ACSNano2012621322-1331．4NaguibMHalimJLuJetal．NewTwo-DimensionalNiobiumandVanadiumCarbidesasPromisingMaterialsforLi-ionBatteriesJ．J．Am．Chem．Soc．20131354315966-15969．5GhidiuMNaguibMShiCetal．SynthesisandCharacterizationofTwo-dimensionalNb4C3MXeneJ．Chem．Commun．2014PublishedOnlineDOI10．1039/c4cc03366c．6ChangFLiCYangJetal．SynthesisofaNewGraphene-likeTransitionMetalCarbidebyDe-intercalatingTi3AlC2J．MaterLett．2013109295-298．7HalimJLukatskayaMRCookKMetal．TransparentConductiveTwo-DimensionalTitaniumCarbideEpitaxialThinFilmsJ．Chem．Mater20142672374-2381．8SunDDHuQKChenJFetal．FirstPrinciplesCalculationsoftheRelativeStabilityStructureandElectronicPropertiesofTwoDimensionalMetalCarbidesandN