基于靜電紡絲技術(shù)的納米纖維制備及其應(yīng)用.pdf

1、東南大學(xué)博士學(xué)位論文基于靜電紡絲技術(shù)的納米纖維制備及其應(yīng)用姓名：潘超申請學(xué)位級別：博士專業(yè)：生物醫(yī)學(xué)工程指導(dǎo)教師：顧忠澤20070510英文摘要FabricationandapplicationofnanofibersbasedonelectrospinningTechniqueAbstractWideresearcheshavebeenfocused011onedimensional(ID)nanofibersduetOtheirun

2、iquestructuralpropertiesandpotentialapplicationsinmanyaspectsManysynthesismethodshavebeenprovedtobeeffectiveinthefabricationofIDnanofibersincludingvaporphaseevaporationtemplatemethodsolvothermalsynthesis，andeloc仃ospinnin

3、gAmongthemelectrospinningtechniquerecentlygainedspecialinterestsbecauseofitscosteffectiveness，technicalsim#cityandwidematerialselectivityAlso，electrospinninghastheedvanmgethattheelectruepunfiberscanbeinn缸咖eterscaleandhav

4、econtrollablediameters，sufacemorphologyandhierarchicalsnucturesHowev日somedrawb礎(chǔ)stillremaininelecuospinningsuchasbadcontrollableparameters，andfunctionsingularityInordertoimprovetheelectrospinningtechniquesandextendtheappf

5、icationsofnaaofibers，wedevelopednewinstrumentandthenfabricatedfunctionalnanofibersCorrelativemsearcbesarelisted夠foIlow，(一)PearlyandsurfaceporonspolystyrenenanofiberswerefabricatedandtheirformationWasdiscussedWiththemecha

6、nismofinsmbilityandphaseseparationOrientedandcrisscrossnanofibersweleobtainedbyusingacollectorwithtwodimensionalneedlepoint∞y(二)Wi血thecombinationofsolgelmethodandelec血ospinningtechnique，Ti02nanofiberswithv撕oueformsanddia

7、meterswerefabricatedTheelecnospunTi02nanofibershavestablesuperamphific(hydrophilic，oilphilic)property，selfcleaningabilityandphotocatalysisacfivivy(三)BytakingadvantageofcarbonnanofibersandTi02materialsandusingtheirpredomi

8、nantmechanicalproperty，chemicalstabilityandphotocatalysisactivity，Ti02／carbon—nanofiberscompositematerialsw∽elec仃ospunwhichhasgoodmechanicalrobustnessandeffectivephotocatalysis(四)Sn02lowdensitytargetmaterialsWaselectrosp

9、unw11ichWasappliedtogenerateextmmeulWavioletlight(Euv)Sn02nanofibershasbetterperfonnancethanSnmetallicplateintheintensityofEUVemissionandthegeneratienoffiagmentofEIWlightsource(五)AnewtechniquecomposedofelectrospinningmdL

10、BLtechniqueswasinventedforthefabricationofhollownanofibersByusingthistechniquetwokm出oforganic／inorganiccompositehollownanofibers(P肌i02andMWCNTs／Polyelecholylew∽obtainedKeyWords：electrospinning；nanofibers；photocatalysis；t