無機溶膠TiO-,2-納米線的制備及結構與可見光催化性能的研究.pdf

1、天津大學碩士學位論文無機溶膠TiO納米線的制備及結構與可見光催化性能的研究姓名：袁東方申請學位級別：碩士專業(yè)：材料學指導教師：徐明霞20090501ABSTRACTInthispaper’theRSsolnanowirearray’SstructurewouldbeadjustedandtheirabsorbinglightcapacitywouldbeenhancedtoimprovenanowireVisible—lightphot

2、ocatalyticacitivityFirstthepreparationofporousanodicalumina(PAA)templatewasoptimized，withnewmethoddifferentporediameterandporespacePAAwereprepared11hepropertiesofRSsolwasstudiedandthepreparationofsolelectrophoresiswasals

3、ooptimizedTheeffectofstructureonVisiblelightphotocatalyticacitivityofTi02nanowirespreparedinP從andtheeffectofmetaldoping，semiconductordopingonRSsolTi02nanowireandtheirVisible1ightphotocatalyticacitivitywassystematicallyst

4、udied’AccordingtotheeffectfactorsofPAAformprocesstheprocessofextendingporewasoptimizedTheporousanodicaluminatemplatebyultrasonicporeextended30minwassimilarwiththatbydippingporeextended60min，whichaffectthePMinalongdipping

5、timeThestuitableporedeepPAAwaspreparedwith3hanodizationtimeThedifferentporediameterandporespaceP八AwerepreparatedviacontrollinganodizationvoltageandelectrolytetemperaturenepropertyofRSsolwasstudiedandthepreparationofRSsol

6、electrophoresiswasoptimized，whenthesolelectrophoresistimewascontrolledat2minutesandtheaftertreatmenttimewascontrolledat4minutes，theTi02filmwouldn’tbeformedonthesurfaceofPAAtemplateandthelengthofrevealnanowiresfromthepore

7、softheP從templatecouldbeappropriate，whichavoidedlongrevealnanowirefallingdownandreunionthenanowireswhichdiameterwasfrom30nmto70nmWaSpreparedandtheeffectofitsstructureonVisiblelightphotocatalyticacitivitywasstudiedTheVisib

8、le—lightphotocatalyticacitivityofRSsolnanowireswerestudied，thehighvalenceion(W6，Cr6，Nb5)dopedandsemiconductor(InV04)dopedTi02nanowireswereprapred，whichVisiblelightphotocatalyticacitivityandphotocatalyticmechanismwassyste