2023
(Invited) Water Oxidation Catalysis with Atomically Defined Active Sites on Nanostructured Materials for Solar Energy Applications
Brudvig G. (Invited) Water Oxidation Catalysis with Atomically Defined Active Sites on Nanostructured Materials for Solar Energy Applications. ECS Meeting Abstracts 2023, MA2023-01: 2149-2149. DOI: 10.1149/ma2023-01372149mtgabs.Peer-Reviewed Original ResearchWater oxidation catalystsMolecular catalystsSolar fuel productionWater oxidationMolecular water oxidation catalystsPhoto-electrochemical water oxidationWater oxidation catalysisNatural photosynthetic systemsPhotoelectrochemical water oxidationMetal oxide surfacesMetal oxide photoanodesFuel productionOxidation catalysisCatalytic performanceOxide photoanodesOxide surfaceNanostructured materialsBioinspired materialsCatalystLimited stabilityActive siteOxide materialsHigh activityPhotosynthetic systemsSolar energy applicationsBodipy and Dipyrrin as Unexpected Robust Anchoring Groups on TiO2 Nanoparticles
Jayworth J, Capobianco M, Liu H, Decavoli C, Crabtree R, Brudvig G. Bodipy and Dipyrrin as Unexpected Robust Anchoring Groups on TiO2 Nanoparticles. ECS Meeting Abstracts 2023, MA2023-01: 1410-1410. DOI: 10.1149/ma2023-01151410mtgabs.Peer-Reviewed Original ResearchTiO2 surfacePhoto-electrochemical water oxidationDye-sensitized solar cellsNatural photosynthetic systemsMetal oxide surfacesMetal oxide photoanodesCarboxylic acid groupsSolar fuel productionDipyrrin derivativesMolecular catalystsWater oxidationSynthetic stepsBF2 groupBODIPY chromophoreOxide photoanodesNitrogen atomsOxide surfaceSurface anchorAcid groupsMolecular complexesBioinspired materialsCovalent attachmentTiO2 nanoparticlesSurface bondsParent molecule
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
High-Potential Porphyrins Supported on SnO2 and TiO2 Surfaces for Photoelectrochemical Applications
Jiang J, Swierk J, Materna K, Hedström S, Lee S, Crabtree R, Schmuttenmaer C, Batista V, Brudvig G. High-Potential Porphyrins Supported on SnO2 and TiO2 Surfaces for Photoelectrochemical Applications. The Journal Of Physical Chemistry C 2016, 120: 28971-28982. DOI: 10.1021/acs.jpcc.6b10350.Peer-Reviewed Original ResearchMetal oxide surfacesTiO2 surfaceTerahertz measurementsPhotoelectrochemical applicationsWater-splitting dye-sensitized photoelectrochemical cellsPhotoelectrochemical cellsOxide surfaceSnO2WS-DSPECsInterfacial electron transferDye-sensitized photoelectrochemical cellsSurfaceHigh potentialCharge recombination kineticsComputational modelingAbsorption spectroscopySurface-Induced Deprotection of THP-Protected Hydroxamic Acids on Titanium Dioxide
Brennan B, Koenigsmann C, Materna K, Kim P, Koepf M, Crabtree R, Schmuttenmaer C, Brudvig G. Surface-Induced Deprotection of THP-Protected Hydroxamic Acids on Titanium Dioxide. The Journal Of Physical Chemistry C 2016, 120: 12495-12502. DOI: 10.1021/acs.jpcc.6b02635.Peer-Reviewed Original ResearchDye-sensitized photoelectrochemical cellsMetal oxidesMetal oxide surfacesDirect surface functionalizationSurface-bound speciesConvenient new methodHydroxamic acidDye aggregationSurface speciesSurface functionalizationCovalent interactionsOxide surfaceHydroxamate groupHydrolytic stabilityPhotoelectrochemical cellsTiO2 surfaceStable complexesTitanium dioxideDeprotectionChelation methodBinding propertiesMK-2Room temperatureHydroxamateOxide
2015
Interfacial electron transfer in photoanodes based on phosphorus( v ) porphyrin sensitizers co-deposited on SnO 2 with the Ir(III)Cp* water oxidation precatalyst
Poddutoori P, Thomsen J, Milot R, Sheehan S, Negre C, Garapati V, Schmuttenmaer C, Batista V, Brudvig G, van der Est A. Interfacial electron transfer in photoanodes based on phosphorus( v ) porphyrin sensitizers co-deposited on SnO 2 with the Ir(III)Cp* water oxidation precatalyst. Journal Of Materials Chemistry A 2015, 3: 3868-3879. DOI: 10.1039/c4ta07018f.Peer-Reviewed Original ResearchInterfacial electron transferElectron paramagnetic resonanceQuantum dynamics simulationsElectron transferPhotoanode componentCatalytic water oxidationEfficient interfacial electron transferDynamics simulationsMetal oxide surfacesSolar cellsTime-resolved terahertz spectroscopy measurementsSteady-state fluorescenceTypes of porphyrinsTerahertz spectroscopy measurementsOxidation precatalystWater oxidationAxial coordinationChloride ligandsPorphyrin sensitizersOxidation stateCharge recombinationParamagnetic resonanceSnO 2Phosphorus porphyrinsSpectroscopy measurements
2013
Modular Assembly of High-Potential Zinc Porphyrin Photosensitizers Attached to TiO2 with a Series of Anchoring Groups
Martini L, Moore G, Milot R, Cai L, Sheehan S, Schmuttenmaer C, Brudvig G, Crabtree R. Modular Assembly of High-Potential Zinc Porphyrin Photosensitizers Attached to TiO2 with a Series of Anchoring Groups. The Journal Of Physical Chemistry C 2013, 117: 14526-14533. DOI: 10.1021/jp4053456.Peer-Reviewed Original Research
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