磁性納米球制備、組裝和應用研究.pdf

1、中國科學技術大學碩士學位論文磁性納米球制備、組裝和應用研究姓名：程凱申請學位級別：碩士專業(yè)：材料物理與化學指導教師：陳乾旺20110514AbstractIIAbstractAbstractWithrapidadvancesinnanosciencenanotechnologymemeresearchesfocusondevelopingmenovelnanomaterialswithdistinctivemechanicaloptic

2、almagicelectricalpropertiesfindingtheirpotentialapplicationsininfmationtechnology(IT)energybiomedicalcatalystetc.Theoutstingpropertiesofnanomaterialsdependontheirnovelstructurespreparationprocedures.Innanofabricationther

3、earetwocommonroutesbottomuptopdownbothofwhichshowtheiradvantagedisadvantages.ThemagicnanomaterialshaveattractedalotofinterestinnanotechnologyfieldduetotheirpromisingapplicationsinGiantMagesistancemagicfluidbiodiagnostics

4、etc.Hithertoresearcheshavealreadyobtainedaseriesofroutestofabricatedifferentstructuresofmagicnanomaterials.Howevertherearefewreptsaboutsynthesisofsuperparamagicdoubleshellnanoparticles.Comparingwithmagicceparticlesthemag

5、icshellstructuredparticleshaveadvantagesinmagicproperty(e.g.magicallyresponsive)hugecevolumefloadingothercomponents(especiallyftheonesthatarenotexpectedoutsideofparticles)etc.therefewedevelopedanewmethodtosynthesizethema

6、gicshellparticlesthroughatemplatemethodtheirapplicationsinthefieldsofphotoniccrystalsdrugdeliverysystemswereinvestigated.1.PhotonicCrystalApplicationSilicamicrosphereswerecoatedwithFe3O4carbonbydecompositionofferrocenein

7、anacetonesystemcontaininghydrogenperoxide.TheaspreparedsuperparamagiccolloidsofSiO2@Fe3O4@Cweredispersedinacetoneefficientlyselfassembledintocentimetersized3Dmagiccolloidalcrystalsundertheinductionofa0.2Tmagicfield.Botho

8、pticalmicroscopeimagereflectionspectrumshowabluecolofthecolloidalcrystalsdemonstratingphotoniccrystalfeatures.Becauseofthethinnessoftheshelllargedifferenceinreflectiveindexbetweentheceshellanewpseudogapwhosereflectioncan