多孔氧化物納米材料的溶劑熱合成、表征及應用研究.pdf

1、中國科學技術大學碩士學位論文多孔氧化物納米材料的溶劑熱合成、表征及應用研究姓名：梁鑫申請學位級別：碩士專業(yè)：無機化學指導教師：錢逸泰20090501絲!!墜三三__●___●__●____●_I_________●I____l______。_______。_●__________●_________●●___●●_。_。。——————’’’I_。I●1_____。。?！！灰籄BSTRACTInthisdissertatio

2、n，ourworkconcludestwopartsFirstly，theprecursorwithhierarchicalnanoarchitectureWaSobtainedbysolovethermalmethodinglycol，whilethemaghemitemicrospherewithlargesurfaceareawasreceievedbythesubsequentcalciningprocessTheapplica

3、tionofmaghemitemicrosphereinthewatertreatmentWaSstudied，usingRhodamineBasamodelorganicpollutantSecondlyinthemixedsolventsystemmadeofH20andethanol，thecontrollablesynthesisof13Ni(OH)2flowerlikemicrospheresandllanosheetswer

4、erealizedPorousNiOmicrospheresandporousNiOnanosheetswereobtainedbythesubsequentcalciningprocessThemainpointslistasfollows：1PoroussoftmagneticmaterialisamemberofsoftmagneticmaterialfamilyhavinglargesurfaceareaThiskindofma

5、terialhasvastpotentialinthesurfacerelatedapplicationsInthispaper，akindofmaghemite0Fe203)withlargesurfacearea，827m二／g，specificallywasobtainedbysolvothermalmethodandsubsequentcalciningprocessAsshowninthetestresults，themagh

6、emitemicrospherehasnomagneticmemoryinthemagneticfieldsincetheresidualmagnetizationisonly07emu／gInthewastewatertreatmentprocess，RhodamineB，amodelorganicpollutantinthewater，Wasremovedthroughtheadsorptionanddesorptioncycles

7、bythemaghemitemicrospheresThemaghemitemicrospheresinthewatercallberecycledeasilybyamagneticseparationprocedureandregeneratedinethanolatroomtemperature2InthemixedsolventsystemmadeofH20andethanol，thecontrollablesynthesisof

8、13Ni(OH)2flowerlikemicrospheresandnanosheetSwererealizedPorousNiOmicrospheresandporousNiOnanosheetswereobtainedbythesubsequentcalciningprocessThemorphologyofpNi(OH)2WaScontrolledbythevolumeproportionbetweentheH20andethan

9、01Whentheproportionwas9tOl，I]Ni(OH)2wasmicrospherewhichWasselfassembledbynanosheetsExceptthatthemorphologyof13Ni(OH)2WasnanosheetThesampleswerecharacterizedbyXRD，TEMandSEMThemagnetic，opficalandsurfaceareapropertiesofthes