半导体硫化物纳米材料的溶剂热制备、生长机理与性能分析

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1、江苏大学硕士学位论文AbstractTheaimoftllispaperistostudythecomrollablepreparation，growcllmechaIlismaSwellasopticalpropertiesofz硫sulfide(ZnS)I姗omaterials．Inthisexpemlent，、Ver印onourendeaVollrinproducingmeZnSnaIlobeltsf如masiI玛le-sourceprecursor(Zn(DDTC)2)byusingasimplesolVothenIlaJsyn

2、thesismethod．Andweprepared廿lelongZnSnarlowiresbyaddingsilVerIli眦e．Bycomparingthechallgesinmemo印hologiesaIldtllegrowtllmeckmismofZnSI啪omaterials，、Ⅳefocusonexploringtllecompetitionbet、ⅣeentemplategrowthWhichderivedf．romcoordimltione舵ctofaminesaIldA92S-catalyzedgrowthofone-

3、dimensionalZnSnanostmcturesindi脑entc蛳n-lengtll砸maryalkyl-锄ines．Thecoordinatione船ctsofdi眠mamirlesare孕们umlydecreausedwithiIlcre硒ingtllealkyl—ckIinlengmof锄iIlesf．romC3toC12．Inshon-chailln-propylamine锄dn．bu够l心t11eteInplategrowthismuchs仃ongerthanthecatalytic铲owth，leadingtothe

4、nlo印hologymaintenaIlceofZnSnanobelts，whereasthelatterreplacestllefornlerinlong—chaLiIln-octyl锄iIleaIldn-dodecyl枷Ileduetotlledecreaseofcoordinationabili够of锄ines，wtlichyieldsZnSnaIloⅥdresinsteadofIl￡m-obelts．neUV-Visabsoq)tiondemonsn．atI耐thattIleUv-VisabsoIptionofZnSn觚obel

5、ts砌chprep黜dwi恤utAgN03iss11i船dtow莉t11e10w-ene唧redregion谢tIlincreasiIlgthecllajnlengtllofall(yl锄ines．AReraddiIlgAgN03，meUV-visabso印tionofⅡ1es锄plessymhesizedinhexyl锄ine，oc够l锄me锄ddodecyl锄ineisred-shiftedto320nm．ThePLspectrashowsthattwos臼．0ngUVemissionpeaksloadedat332IlIll(3．

6、73eV)aIld355m(3．49eV)inwavelengⅡ1areobservedforallofmesaIIlples．AsformePLspec仃aoftheZnSproductsobtained谢ⅡlAgN03，meUVemissionat332m(3．73eV)isweakenedorevenquenchedw11iletheband-edgeorexcitoIlicemissionsat355misrelatiVelyenhanced．TheotherPLemissionbarldsat396姗and469衄areals

7、oobservedformeZnSproductsoⅧneda舭raddingAgN03．Inthispaper，wesinlplyresearchedmesolVothemal讲．eparation趾ldopticalpropertiesofcoppersulfide(CuS)砒ldsilVersulfide(A＆S)．W色sⅣltllesized蚰ifo肌III半导体硫化物纳米材料的溶剂热制备、生长机理及性能研究mo印hologyaIldsizeofCuSnaIlosheetsalldA＆Snanoc巧stallineintheex

8、periment．TheUV-Visabsoq)tionillustrated帆oabsorptionedgesofCuSnanosheetscenteredat222mand425IlIIlinwavel