基于微流技術(shù)與溶膠溶液法所制備的TiO2納米薄膜在光伏電池上的應(yīng)用.pdf

1、東南大學(xué)碩士學(xué)位論文基于微流技術(shù)與溶膠溶液法所制備的TiO2納米薄膜在光伏電池上的應(yīng)用姓名：劉微申請學(xué)位級(jí)別：碩士專業(yè)：動(dòng)力工程；太陽能發(fā)電指導(dǎo)教師：張耀明；張文進(jìn)20120528AbstracIABSTRACTHybridsolarcellscombineallinorganicmaterialliketitaniawithaphotoactivehole—conductingpolymerAlargesurfaceofthetita

2、niathinfilmismandatoryforapplicationsinthesesolarcellsasthechargeseparationonlytakesplaceattheinterfacebetweentheholeconductingmaterialandtheinorganictitaniaThemaingoalofmyresearchiStheoptimizationofthicktitaniafilmsbyac

3、ombinationofsol—geltemplatingandmicrofluidicsforphotovoltaicsandinvestigationoftheprocessesinthemicro—fluidiccellThetitaniafilmspreparedwithOnePotSynthesisaremadethroughvariouscompositionsofsolgelsolutionwhichcontainsamp

4、hiphilicblockcopolymer(P(Sb—EO))，HCl，DMFandtitaniaprecursorTheformationofnanocompositetitania—blockcopolymersolutionthatformsdependsontherelativeweightfractionsofthes01gelcomponentsThemorphologiesofthetitiniafilmindepend

5、enceofthevariouscompositionsaresummarizedinadiagramInadditiontheeffectoftheamountofpolymeronthefilmmorphologieswasinnovativelyinvestigatedincombinationwiththetitaniaprecursorAsaresultthemorphologydoesn’tvaryverymuchwithd

6、ifferentamountsofpolymerundertheconditionthatthecriticalmicellesconcentrationiSreachedBesidesmorphologytheamountoftitaniafilmonthesubstrateiSinvestigatedwithUV／VisaswellshowingthattheamountoftitaniafilmiSstronglydependan

7、tontheamountofHClandtheamountofEGMTTheminimumweightfractionofHCltoproduceabundanttitaniawithincertaintimeiScalculatedaccordingtotheresultsfromtheUV／VismeasurementsAfterwardsthemostpromisingcompositeofthes01gelsolutioniSc

8、hosenandthetitaniafilmspreparedwiththatcompositioniSmadeusingthemicrofluidicsmethodwhichshowsobviousimprovementsinthemorphologyorderThreeparametersaremainlyaccountableforthefinalfilmmorphologyinthemicrofluidicexperiments

9、：i1infuserate；ii)acidconcentration；iiilgeometricalfeatureofthemicrofluidicchannelTheoptimuminfuserateandbestweightfractionsofHClforthetitaniafilmspreparedwiththemicrofluidicmethodareobtainedaccordingtothecomparisonofvari

10、ousfilmmorphologiesFurthermore，asimulationmodeliSbuiltuptoimitatetheintemalprocessesofthefluidinthemicro—fluidicchannelAccordinglytheminimuminternalreactiontimeiSobtainedaswellasthemaximuminfuseratewhenkeepingtheamountso

11、fHClthesameinbothchannelsThedifferentweightfractionsofHClinbothchannelsareassociatedwithdifferentvariationsofHClconcentrationswhichlcadtofurtherreformationofmicellesinthemicrofluidicchannelInthelastthesolarcelldevicewass

12、uccessfullymadewiththetitanianano1ayerpreparedwiththemostpronouncedcompositionbytheusageof0nePotSynthesisAfterwardsthedevicewascharacterizedwithUIcurvesindependenceol、timeKeywords：SolarEnergy，tlybridsolarcell，Microfluidi