1、東南大學碩士學位論文染料敏化太陽能電池光陽極的低溫制備及改性姓名：陳超超申請學位級別：碩士專業(yè)：化學；物理化學指導教師：孫岳明；王育喬20110505AbstractAbstractRecentlydyesensitizedsolarcell(DSSC)hasattractedmuchattentionduetoitslowcostsimplecraftandstableperformanceGenerallythefluorinedo

2、pedtinoxide(FTO)fillcoatedontheindiumtinoxideOTO)fillasaconductivesubstratewasdevelopedforDSSCHoweverthehardsubstrateincreasedthecostandweightofthedeviceComparingwiththerigidDSSC，theflexibleDSSCbasedonorganicflexiblesubs

3、trateshasmanyadvantages，suchaslowercostlightweightandfeasibleshapedesignThethinporousTi02depositedontotheflexibleconductivesubstrateisthekeystructureofDSSC，whichiscalledphotoanodeHowever，itisdifficulttopreparetheTi02thin

4、fillontothesurfaceoftheorganicflexiblesubstratcsfortheirpoorheatresistantSothespecialresearchfocusesonthepreparationandmodificationofTi02photoanodeatlowtemperatureThemajorcontentsofthethesisa佗asfollows：(1)Ti02(1)egussaP2

5、5)particleswereattachedtosubstratesbyHBF4andformedporousmorphologyTheHBF4contentinfluencesthephotoanodeproperties，suchasitsmorphology，adsorbingcapacityandphotovoltaicperformanceTheresultsshowthattheconventionefficiencyof

6、cellincreasedfirstlyanddecreasedafterwardswiththeincreasingofHBF4concentrationWhentheconcentrationofHBF4was225％，thecellshowedtheoptimalphotovoltalcperformance：theshortcircuitphotocurrentdensityof624mA／emz，theopencircuitp

7、hotovoltageof076V，恤fiUfactor(FF)of061andtheconventionefficiencyn)of284％(2)TheanataseTi02particleswithdiameterof20imlwerepreparedbygelatinhydrothermalmethodAfterpolyethyleneglycol(PEG)addingtotheaboveTi02theviscousslurryW

8、asobtainedThehomogeneousphotoanodeWasformedbyscn≥enprintingandultraviolet(tin)treatmentPEGdecomposedthroughUVtreatmentwhichwasprovedbyIRThephotovoltaictestshowedthattheefficiencyofUV—treatedDSSCwashigherthanthatofuntreat

9、edDSSC(3)ThephotoanodewithdifferentthicknessofblockinglayerwaspreparaedbymagnetronsputteringanddoctorbladedTheperformanceoftheDSSCbasedonthecompositedelectrodesWasinvestigatedbyelectrochemicalimpedance，transientspectruma

10、ndphotovoltaictestTheimpedanceresultsshowthattheimpedanceresistanceincreaseswi廿lincreasingthethicknessofblockinglayerCorrespondinglythedeviceperformanceincreasesfirstlyandthendecreases11圮optimalphotovoltaicproperties(Jsc