2024
BODIPY Chemisorbed on SnO2 and TiO2 Surfaces for Photoelectrochemical Applications
Jayworth J, Decavoli C, Capobianco M, Menzel J, Adler S, Kocoj C, Freeze J, Crabtree R, Guo P, Batista V, Brudvig G. BODIPY Chemisorbed on SnO2 and TiO2 Surfaces for Photoelectrochemical Applications. ACS Applied Materials & Interfaces 2024, 16: 14841-14851. PMID: 38488153, DOI: 10.1021/acsami.3c18827.Peer-Reviewed Original ResearchCarboxylic acid anchoring groupsAnchoring groupsElectron injectionSolar-driven water splittingTransient absorption spectroscopic studiesDye-sensitized photoelectrochemical cellsEfficiency of electron injectionSacrificial electron donorEfficient electron injectionElectron-hole recombinationAbsorption spectroscopic studiesBODIPY-based dyesWater splittingPhotoelectrochemical applicationsPhotoelectrochemical cellsSemiconducting photoelectrodesTiO2 surfacePhotoelectrochemical studiesPhotoexcited dyeSolar fuelsCharge transferMetal oxidesBinding modeCarboxylic acidsSpectroscopic studies
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
2017
Linker Length-Dependent Electron-Injection Dynamics of Trimesitylporphyrins on SnO2 Films
Lee S, Regan K, Hedström S, Matula A, Chaudhuri S, Crabtree R, Batista V, Schmuttenmaer C, Brudvig G. Linker Length-Dependent Electron-Injection Dynamics of Trimesitylporphyrins on SnO2 Films. The Journal Of Physical Chemistry C 2017, 121: 22690-22699. DOI: 10.1021/acs.jpcc.7b07855.Peer-Reviewed Original ResearchDye-sensitized photoelectrochemical cellsElectron injection dynamicsPhotoelectrochemical cellsLinker lengthMetal oxide filmsMolecular photosensitizersPorphyrin coreAnchor groupsElectron acceptorInjection dynamicsLinkerSnO2 filmsOxide filmsFilmsTerphenyleneSystematic studyPhenylenePorphyrinsBiphenyleneSpectroscopyComputational modelingAcceptorPhotosensitizerSynthesisOxide
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 spectroscopyRutile 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 semiconductorsDyeSurface-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
Hematite‐Based Solar Water Splitting in Acidic Solutions: Functionalization by Mono‐ and Multilayers of Iridium Oxygen‐Evolution Catalysts
Li W, Sheehan S, He D, He Y, Yao X, Grimm R, Brudvig G, Wang D. Hematite‐Based Solar Water Splitting in Acidic Solutions: Functionalization by Mono‐ and Multilayers of Iridium Oxygen‐Evolution Catalysts. Angewandte Chemie 2015, 127: 11590-11594. DOI: 10.1002/ange.201504427.Peer-Reviewed Original ResearchWater oxidation catalystsSolar water splittingWater splittingAcidic solutionMolecular water oxidation catalystsStable water oxidation catalystsNear-unity Faradaic efficiencyOxygen evolution catalystsStable solar water splittingFaradaic efficiencyPhotoelectrochemical cellsImportant technological implicationsCatalystLow pHMonolayers
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