怎样制作DSSC

《怎样制作DSSC》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、HowtoBuild&UseADye-SensitizedSolarCell(DSSC)+ADiscussiononEnergy&EfficiencyHarnesingrenewableenergysourcesiscrucialforsupportingtheenergydemandsofmodernsociety.TheIEAcalculatedthatglobalenergyusageincreasedby10%from1990to2008,andthenumberisexpectedtoriseinthecomingdecades

2、.Atthesametime,ourcurrentlypredominantsourcesofenergyposeseriousthreatstotheenvironmentandhumanhealth.Theburningoffossilfuels—naturalgas,coal,andoil—releasesharmfulgreenhousegasesintotheatmosphere,contributestooceanacidification,andcreatespollutionwithbotheconomicandsocia

3、lcosts.Solarpowerisaparticularlypromisingsolutiontotheworld'senergyneeds.TheEarthannuallyabsorbsnearly4millionexajoulesofsolarenergy,anditwouldrequirelessthananhourofthistotalenergytopowermankindforanentireyear.Therearemanytechnologiestocaptureandconvertthesun'senergy.Myr

4、esearchteamhasbeenexperimentingwithDSSCs:dye-sensitizedsolarcells.Theydifferfromtraditionalphotovoltaic(PV)cellsthatcurrentlydominatethesolarcellmarket,andDSSCshavetheirownadvantagesanddisadvantages.Thetradeoffswillbediscussedlaterinthisguide.(Viewtheground-breakingSmesta

5、dandGrätzelpaper"DemonstratingElectronTransfer&Nanotechnology:ANaturalDye-SensitizedNano-CrystallineEnergyConverter"tolearnmoreaboutthetechnology).Iwillbeexplaininghowdye-sensitizedsolarcellsareassembled,andhowtheycanpoweranelectronicgadget---inthiscase,acalculator.Step1:

6、GatherYourMaterialsHerearethenecessarymaterialsforthisproject:-Fluoride-dopedtindioxideconductiveglass(≥2plates)Asourceoforganicdye(ex:raspberries)-TitaniumDioxidePaste-AceticAcid-Water-GlassStirringRod-ScotchTape-GraphitePencil-LiquidElectrolyteSolution-BinderClips-Wires

7、-ASolar-poweredCalculator(YouwillberemovingthestockPVsolarcellandreplaceitwithyourassembledDSSC)-SolderingEquipment-AMultimeterorVernierLabQuest(withVoltage&CurrentProbe(s))-TungstenHalogenLamp-TestingApparatusStep2:PrepareTheDSSCElectrodes•Foreverysolarcellyouassemble,yo

8、uwillneedananodeandacathode.Theanodewillcontainthedyeandtitaniumdioxidemolecules.Photonswillexci