基于氧化鈦納米材料的制備與性能研究.pdf

1、浙江理工大學(xué)碩士學(xué)位論文基于氧化鈦納米材料的制備與性能研究姓名：李冰潔申請學(xué)位級別：碩士專業(yè)：應(yīng)用化學(xué)指導(dǎo)教師：董文鈞20100318浙江理工大學(xué)碩士學(xué)位論文Synthesisandcharacter娩ationofTi02一basednanostructIIresAbstractThisp印erfocusedonmepr印鋤tionalldchamct嘶zationofper0Vsl(iteMTi03(M=Ba，Sr，Ca，Mg)na

2、nostmCtures，porousSrTi03spherea11dhet盯0naIlos仃uctureofmultil彬Ti02n鋤otllbe@AgnaIloparticles，鋤deXplored廿1eelectricalpropeniesofMTi03，tllephotocatalyticactiv時oftlleporousSrTi03sphereandheteronano咖ctureofmultilaⅣTi02nallonJb

3、e@濰gnanopaIticlesTransmissionelec昀n“crosc叩y(TEM)，Sc黜1ingelec仃onmicroscopy(SEM)，Xraydif3眈ction(XIm)，UV二visibleabso印tion(UVVis)，C印acitancevoltage(C_V)鋤dP01撕zationfield(PE)weresyst鋤aticallys砌ied0nmeausobtainedn吼ostmctu∞mat甜

4、alsTheresultswereasfollowsPerovsl【itenaIlos仃u咖esMTi036lmsweresuccess如llysynthesized0nTifoilbyaconV饑i鋤thydrom鋤a1memod，iIlcludingBaTi03nan0血gs，SrTi03nallocubes，CaTi03microre魄mgulares鋤dMgTi03naIlodisks111ee虢ctsofreactionteI

5、llpera：ture，reactiontimeaIldalkalineconcentra_tiononthephasen觚sitionaJldmo印h0109yeVoMonwerestudiedTllephaSeChangeofBaTi036om劬ictote仃agonalCouldbetulledbyVa咖ngrea砸on缸eandt鋤peratureIIladditioIl，觚ot)，pesoffomationprocessesw

6、ereinVestigatcdt0elucidateme印wtllmechaIlismsofMTi03stmctures111efomationofMTi03(M2Ba觚dSr燦iIergoesa‘‘nanowi㈣e幣ng’黟owtllmechanismwimaselfsacri6ceoftitaIlatenaIlowire覷IlIleworkrout，Ⅵ恤1ethefomationofCaTi03鋤dMgTi03stmctIlresf

7、0110wedansimultaIleousepitaXialgro、)Irm0fTi02nanotlJbeontitaIlatenanowirea11dsel仁肌cleationofMTi03in廿lesolution(M2MgandCa)iIlitially，a11dthellaConVersionofthen孤ownaIldnanotllbet0MgTi03／CaTi03n肌ostructuIeprocessMoreoV％meel

8、ectricalpropeniesoftheperoVsl(iteMTi03nanostruc眥includingp01撕zationfieldhysteresisaIldcapacitallce。V01tagecharact舐sticswerealsoinvestigated，theresultindicatetllattlleBaTi03showsa900dferroele嘶cnature，SrTi03andCaTi03havehi