納米碘化亞銅和四氧化三鐵的制備及性質(zhì)研究.pdf

1、分類號：型!一密級：單位代碼：!!!壁!學(xué)號：幽!鯊!。一侖肥衛(wèi)學(xué)火警HefeiUniversityofTechnology碩士學(xué)位論文MASTERDISSERTATIoNo論文題目：納米碘化亞銅和四氧化三鐵的制備學(xué)位類別：學(xué)科專業(yè)：(工程領(lǐng)域作者姓名：導(dǎo)師姓名：完成時間：及性質(zhì)研究學(xué)歷碩士應(yīng)用化學(xué)祝曉蕓攣學(xué)良教授2006年5月PreparationandcharacterizationofCuIandFe304nanomaterial

2、sAbstractBasedontheimportantroleofapplicationofopticalandmagneticmaterialsinpracticallife，theaimofthisthesisinvolvethepreparationandpropertiescharacterizationofCuIandFe304crystalswithnanosizeCuInanocrystalswithdifferents

3、hapesweresuccessfullypreparedUnderthecontrolofmicroemulsion，complexingagentsandtemperature，rodlike，sheetlikeandcubicnanocrystalswereobtained，respectivelyXRD，TEM，EISandUVwereusedtocharacterizethephase，microstructureandpro

4、pertiesoftheproductsItseemsthattherodlikestructureCu(dmg)2asprecursorscanleadtheproductCulgrowinginonedirectionespeciallytoformonedimensionalmaterialsandthereversemicroemulsionsystemplaysanimportantroleinmakingproductsmo

5、resymmetricalanduniformEnergybandsofthesampleshowblueshiftscomparingbythatofbulkmaterials，whichisattributedtothequantumsizeconfinementeffectofthenanorodsImpedancespectraindicatethattheresistanceofCuInano—particlesislarge

6、rthanCulagglomerates，whichmayduetothelargergrainboundaryresistanceofnanoparticles、NanosizedpowdersofFe304weresynthesizedbyprecipitationmethod，hydrothermalandsolvothermalmethodFe304nanocrystalswithdifferentshapedincluding

7、global，sheetlikeandcubicnanomaterialswereobtainedXRD，TEMandVSMwereusedtocharacterizetheproducts，Inthiswork，sphericalFe304nanoparticleswithaveragediameterof50amwerepreparedbysimpledepositionatroomtemperature，hexagonalandq

8、uadrangularFe304nanoflakeswithaveragediameterof100nmwerepreparedbysolvothermalmethodat180。C，quadrangularcubeswithaveragediameterof300nmwerepreparedbyhydrothermalmethodat180CThesaturatedmagnetizationsandcoercivitiesofthet