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Solar Cells with Overall Water Splitting Using Oligoaniline-Crosslinked [Ru(bpy)2(bpyCONHArNH2)]+2 Dye/Iridium Oxide Nanoparticle Arrays On Three–Dimensionally Ordered Macroporous Gold-Nanoparticle Doped Titanium Dioxide (3-DMGN-TiO2) Photonic Crystals Mo

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40

SolarCellswithOverallWaterSplittingUsingOligoanilineCrosslinked

[Ru(bpy)

2

(bpyCONHArNH

2

)]

+2

Dye/IridiumOxideNanoparticleArraysOn

Three–DimensionallyOrderedMacroporousGoldNanoparticleDoped

TitaniumDioxide(3DMGNTiO

2

)PhotonicCrystalsModifiedElectrodes

HuseyinBekirYildiz,OktayTalaz DepartmentofChemistry,KaramanogluMehmetbeyUniversity70100Karaman,Turkey e-mail: yildizhb@kmu.edu.tr Thisprojectaimstheconstructionofphotoelectrochemicalcellsystemsplittingwaterintohydrogen andoxygenusingUVvislightunderconstantappliedvoltage.Oligoanilinecrosslinked2(4 aminobenzyl)malonicacidfunctionalizedIrO2.nH2O[1,2]nanoparticlesandvisiblelightabsorbingdye,

[Ru(bpy)2(bpyCONHArNH2)+2],arrays[3]onthree–dimensionallyorderedmacroporousgoldnanoparticle

dopedtitaniumdioxide(3DMGNTiO2)photoniccrystals[4]modifiedelectrodeswillbeusedas (photo)anodeandnanostructuresbasedonbondingofPtnanoparticlesbyusingelectropolimerizationon poly4(2,5di(thiophene2il)1Hpyrrol1il)benzenaminP(SNSNH2)conductingpolymer[5]modifiedgold electrodewillactascathode[6].Ifthesystemisoperatedunderlightandconstantpotential;waterwillbe oxidizinglysplittedbyIrO2.nH2Ocatalyst,andproductionofoxgeninanodeandproductionofhydrogenin cathodewillcertainlyoccur.Electropolymerizationofthevisibleregionsensitive

[Ru(bpy)2(bpyCONHArNH2)+2]and2(4aminobenzyl)malonicacidfunctionalizedIrO2.nH2Onanoparticleson

3DMGNTiO2filmsresultsinconnectionwiththeconductiveoligoanilinebridges.Thetransferofthe electronsarisingfromtheoxidationofwaterfromnanoparticlesintothevalencebandof [Ru(bpy)2(bpyCONHArNH2) +2 ]willbemorefasterduetothepresenceofconductiveoligoanilinecrosslinks. Withinthehelpoftheseconductivecrosslinks;theelectronflowfrom[Ru(bpy)2(bpyCONHArNH2) +2 ] conductivebandintotheconductivebandofTiO2andthenintotheelectrodewillbeveryfast.Thedoping oftheTiO2photoniccrystalfilmwithgoldnanoparticleswillalsoenhancethisfastelectrontransfer.Hence; thisfastelectrontransferwillbecompetitivewiththeprobableelectrontransferinthereversesystemor willbefaster.Underthesecircumstancestherewillbeanimportantincreaseinthequantumefficiencyof thesystem.  [1]H.B.Yildizetal.,Adv.Funct.Mater.18,34973495,(2008). [2]W.JYoungbloodetal.,J.Am.Chem.Soc.131,926927,(2009)..F.Author,S.Author, [3]S.Andersonetal.,J.Chem.Soc.DaltonTrans.10,22472261,(1985). [4]N.Weietal.,Biosens.Bioelectron.26,3602–3607,(2011). [5]E.Yildizetal.,J.Electroanal.Chem.61,247256,(2008). [6]R.TelVeredetal.,Small6,15931597,(2010).  



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