2018
Direct Interfacial Electron Transfer from High-Potential Porphyrins into Semiconductor Surfaces: A Comparison of Linkers and Anchoring Groups
Jiang J, Spies J, Swierk J, Matula A, Regan K, Romano N, Brennan B, Crabtree R, Batista V, Schmuttenmaer C, Brudvig G. Direct Interfacial Electron Transfer from High-Potential Porphyrins into Semiconductor Surfaces: A Comparison of Linkers and Anchoring Groups. The Journal Of Physical Chemistry C 2018, 122: 13529-13539. DOI: 10.1021/acs.jpcc.7b12405.Peer-Reviewed Original ResearchMetal oxide surfacesDirect interfacial electron transferTime-resolved terahertzInterfacial electron transferOxide surfaceSemiconductor surfacesPhotoelectrochemical stabilitySnO2 substratePhotoelectrochemical cellsInjection yieldTransient spectroscopySurfaceAqueous photoelectrochemical cellDye photosensitizerIET dynamicsTerahertzElectron transferSeries of linkersDirect contactSpectroscopyAbsorption spectroscopyTransferTransient absorption spectroscopyOverall length
2016
Heterogenized Iridium Water-Oxidation Catalyst from a Silatrane Precursor
Materna K, Rudshteyn B, Brennan B, Kane M, Bloomfield A, Huang D, Shopov D, Batista V, Crabtree R, Brudvig G. Heterogenized Iridium Water-Oxidation Catalyst from a Silatrane Precursor. ACS Catalysis 2016, 6: 5371-5377. DOI: 10.1021/acscatal.6b01101.Peer-Reviewed Original ResearchIridium Water Oxidation CatalystsMetal oxide semiconductor surfacesWater oxidation catalystsExperimental IR spectraOxide semiconductor surfaceWater oxidationHeterogenized catalystTurnover frequencyIR spectraSilatrane precursorCovalent attachmentFunctional groupsTurnover numberM KNO3CatalystSemiconductor surfacesPrecatalystOverpotentialCatalysisComputational modelingOxidationPrecursorsKNO3SpectraSurface
2014
Structural Studies of Oxomanganese Complexes for Water Oxidation Catalysis
Rivalta I, Brudvig G, Batista V. Structural Studies of Oxomanganese Complexes for Water Oxidation Catalysis. 2014, 1-14. DOI: 10.1002/9781118698648.ch1.Peer-Reviewed Original ResearchOxygen-evolving complexBiomimetic oxomanganese complexesOxomanganese complexesDensity functional theoryQuantum mechanics/molecular mechanics (QM/MM) hybrid methodsHigh-resolution spectroscopyPhotosystem IIStructure of PSIIX-ray absorption fine structure spectraX-ray radiationExtended X-ray absorption fine structure (EXAFS) spectraProteinaceous side chainsWater oxidation catalysisArtificial photosynthetic devicesFine structure spectraO bond formationWater splitting mechanismX-ray crystallographyOxomanganese clusterResolution spectroscopyX-ray diffraction dataSemiconductor surfacesOxidation catalysisPhotosynthetic devicesX-ray model
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