2021
Tuning the Conduction Band for Interfacial Electron Transfer: Dye-Sensitized Sn x Ti1–x O2 Photoanodes for Water Splitting
Spies J, Swierk J, Kelly H, Capobianco M, Regan K, Batista V, Brudvig G, Schmuttenmaer C. Tuning the Conduction Band for Interfacial Electron Transfer: Dye-Sensitized Sn x Ti1–x O2 Photoanodes for Water Splitting. ACS Applied Energy Materials 2021, 4: 4695-4703. DOI: 10.1021/acsaem.1c00305.Peer-Reviewed Original ResearchDFT calculationsAbsorption spectroscopyInterfacial electron transfer dynamicsUltrafast transient absorption spectroscopyInterfacial electron transferElectron transfer dynamicsUltrafast electron injectionConduction bandPeriodic DFT calculationsTransient absorption spectroscopyLinear absorption spectroscopyDye sensitizersWater splittingElectron transferTransfer dynamicsComposition of SnElectron acceptorAbsorption spectraElectron injectionD characterElectronic statesSpectroscopyPhotoanodeSnDye
2016
Rutile TiO2 as an Anode Material for Water-Splitting Dye-Sensitized Photoelectrochemical Cells
Swierk J, Regan K, Jiang J, Brudvig G, Schmuttenmaer C. Rutile TiO2 as an Anode Material for Water-Splitting Dye-Sensitized Photoelectrochemical Cells. ACS Energy Letters 2016, 1: 603-606. DOI: 10.1021/acsenergylett.6b00279.Peer-Reviewed Original ResearchWater-splitting dye-sensitized photoelectrochemical cellsPhotoelectrochemical cellsDye-sensitized photoelectrochemical cellsR-TiO2Sensitized Photoelectrochemical CellsWater-Splitting DyeWater oxidation catalystsLight-absorbing dyeWide bandgap metal oxide semiconductorsWater oxidationWS-DSPECsRedox mediatorAnode materialsInjection yieldLight harvesterPhotocurrent generationMetal oxide semiconductorDye stabilityAnatase TiO2Rutile polymorphTiO2Injected electronsRutile TiO2Oxide semiconductorsDyeA new method for the synthesis of β-cyano substituted porphyrins and their use as sensitizers in photoelectrochemical devices
Antoniuk-Pablant A, Terazono Y, Brennan B, Sherman B, Megiatto J, Brudvig G, Moore A, Moore T, Gust D. A new method for the synthesis of β-cyano substituted porphyrins and their use as sensitizers in photoelectrochemical devices. Journal Of Materials Chemistry A 2016, 4: 2976-2985. DOI: 10.1039/c5ta07226c.Peer-Reviewed Original ResearchPhotoelectrosynthetic cellsWater oxidationNew synthetic methodSolar cellsSensitive functional groupsHigh positive potentialsElectrochemical propertiesRedox mediatorSynthetic methodZinc porphyrinMost porphyrinsPhotoelectrochemical devicesFunctional groupsMild conditionsPresence of TrisPorphyrinsPotential candidateNanoparticulate TiOSensitizersOxidationPositive potentialsDyeMoleculesImproved yieldPhotocurrent
2013
Electron Injection Dynamics from Photoexcited Porphyrin Dyes into SnO2 and TiO2 Nanoparticles
Milot R, Moore G, Crabtree R, Brudvig G, Schmuttenmaer C. Electron Injection Dynamics from Photoexcited Porphyrin Dyes into SnO2 and TiO2 Nanoparticles. The Journal Of Physical Chemistry C 2013, 117: 21662-21670. DOI: 10.1021/jp406734t.Peer-Reviewed Original ResearchElectron injection dynamicsTime-resolved terahertz spectroscopyTiO2 conduction band edgeElectron injectionInjection dynamicsSnO2 nanoparticle surfaceElectron injection rateConduction band edgePorphyrin dyesWater oxidationNanoparticle surfaceBand edgeDeactivation routeZinc derivativeSoret band excitationExcited-state energiesTiO2 nanoparticlesDyeOnly dyeKinetic considerationsExcited statesTerahertz spectroscopyBand excitationSensitizersPhotoanode