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
2017
Interfacial Electron Transfer Followed by Photooxidation in N , N -Bis( p -anisole)aminopyridine–Aluminum(III) Porphyrin–Titanium(IV) Oxide Self-Assembled Photoanodes
Lim G, Hedström S, Jung K, Smith P, Batista V, D’Souza F, van der Est A, Poddutoori P. Interfacial Electron Transfer Followed by Photooxidation in N , N -Bis( p -anisole)aminopyridine–Aluminum(III) Porphyrin–Titanium(IV) Oxide Self-Assembled Photoanodes. The Journal Of Physical Chemistry C 2017, 121: 14484-14497. DOI: 10.1021/acs.jpcc.7b04197.Peer-Reviewed Original Research
2014
Photoelectrochemical oxidation of a turn-on fluorescent probe mediated by a surface MnII catalyst covalently attached to TiO2 nanoparticles
Durrell A, Li G, Koepf M, Young K, Negre C, Allen L, McNamara W, Song H, Batista V, Crabtree R, Brudvig G. Photoelectrochemical oxidation of a turn-on fluorescent probe mediated by a surface MnII catalyst covalently attached to TiO2 nanoparticles. Journal Of Catalysis 2014, 310: 37-44. DOI: 10.1016/j.jcat.2013.07.001.Peer-Reviewed Original ResearchVisible light illuminationTwo-proton oxidationHigh fluorescence quantum yieldFluorescence quantum yieldMultielectron chemistryOrganic linkersSustained photocurrentManganese complexesEffective photoanodeTiO2 electrodeNew photoanodesPhotoelectrochemical oxidationFluorescent behaviorTwo-electronBare TiO2TiO2 nanoparticlesFluorescent probeFluorescent compoundsQuantum yieldNanomolar sensitivityOxidationPhotoanodeExcellent substrateSubstrate oxidationReal-time monitoring
2013
Hydroxamate Anchors for Improved Photoconversion in Dye-Sensitized Solar Cells
Brewster TP, Konezny SJ, Sheehan SW, Martini LA, Schmuttenmaer CA, Batista VS, Crabtree RH. Hydroxamate Anchors for Improved Photoconversion in Dye-Sensitized Solar Cells. Inorganic Chemistry 2013, 52: 6752-6764. PMID: 23687967, DOI: 10.1021/ic4010856.Peer-Reviewed Original ResearchConceptsDye-sensitized solar cellsSolar cellsRuthenium polypyridyl dyesElectricity conversion efficiencyExhibit high efficiencyCurrent density–voltage (J–V) characteristic curvesAnchoring groupDye moleculesElectron transferMolecular adsorbatesPhotocatalytic applicationsTiO2 surfaceCell performanceSemiconductor surfacesConversion efficiencyStructure/function relationshipsFundamental insightsFuture applicationsSimilar conditionsHigh efficiencyPhotoanodeElectrolyteFunction relationshipsAdsorbatesSurface
2012
Bioinspired High-Potential Porphyrin Photoanodes
Moore G, Konezny S, Song H, Milot R, Blakemore J, Lee M, Batista V, Schmuttenmaer C, Crabtree R, Brudvig G. Bioinspired High-Potential Porphyrin Photoanodes. The Journal Of Physical Chemistry C 2012, 116: 4892-4902. DOI: 10.1021/jp210096m.Peer-Reviewed Original ResearchPorphyrin radical cationRadical cationPhotoelectrochemical cellsReduction potentialDye-sensitized solar cellsElectrochemical reduction potentialsMetal oxide surfacesRedox coupleAppropriate energeticsElectron mediatorOxidation powerSpectroscopic studiesPhotoelectrochemical measurementsSnO2 nanoparticlesBare anodeVisible regionTerahertz spectroscopic studyReaction centersCationsSolar cellsPhotoanodeAnodeNatural counterpartsConduction bandSensitizers