摻雜二氧化鈦薄膜形成機制及性能的研究.pdf

1、安徽理工大學碩士學位論文摻雜二氧化鈦薄膜形成機制及性能的研究姓名：劉小珍申請學位級別：碩士專業(yè)：應用化學指導教師：何杰20070425安徽理工大學碩士論文摘要／AbstractAbstractTitaniumdioxidehasbeenstudiedextensivelyasitsspecialphysicochemicalandphocatalyticproperties，Buttheresearchdevelopmentandapp

2、licafionofTi02photocatalystalefacedwithsomeproblemsthata把inneedofimmediatesettlement：theimmobilizationmethodsofTi02photocatalystthemodifidedTi02photocatalystbydopedthepreperationtechnologyofTi02photocatalystOurresearches

3、mainlyresolvetheseproblemsn蛇n02thinfilmsweredepositedonglasssubstratesbysolgelmethodAndthesurfacestructuralshape，surfacefeatureandspectualpropertyhavebeenresearchedbysuchphysicochemicalmethodsasSEMXRDandUVMsThephotocatal

4、ytieactivityhasbeencharacterizationbythephotodecompositionofmethylorange，andtheirphotocatalyticperformancehasbeentestedintermsoftherisingtempraturespeedcalciningtemprature，calciningtimeandthefilmthicknessetc，andfixedtheb

5、estpreparationprocessn圮researchshowedthatwhenthemolarpccentbetwecnT(OC4H9n)4：C2HsOH：H20：DEAisl：235：37：1andtheageingtempratureis40“CwecongetthestablecollidalWhenthefilmundercalciningtemprature500℃for2h，theTi02thinfilmsWel

6、“efirmlydepositedonglasssubstratesandthecrystaltypeofthefilmsisanatasen璩photoeatalyticactivityisbestwhenthethinfilmsoffivecoatingcyclesItwasfoundthatthephotocatalytieactivityof西02thinfilmsWasenhancedafterCH3COOH缸eatmenta

7、nddopingFe3intoTi02啪changethecharacterisiticofphotocatalytieofTiozTheexperimentsofmethylorangedegradationshowedthatthephotocatalyticactivityhadsomethingtodowiththemolarrationofFejandTiWhenthemolarrationofFe3andTiWasO25％t

8、hephotoeatalyficactivityWasbestbutwhenthemolarrationofFe3andTiWasthan075％thephotocatal)而cactivitycoulebedecreasedFigure28Table2Reference87Keywords：titaniumdioxide，doping，photocatalytic，methylorangChinesebookscatalog：TQ42