2023
Bodipy 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
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
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
2010
Water -stable, hydroxamate anchors for functionalization of TiO 2 surfaces with ultrafast interfacial electron transfer
McNamara W, Milot R, Song H, Snoeberger R, Batista V, Schmuttenmaer C, Brudvig G, Crabtree R. Water -stable, hydroxamate anchors for functionalization of TiO 2 surfaces with ultrafast interfacial electron transfer. Energy & Environmental Science 2010, 3: 917-923. DOI: 10.1039/c001065k.Peer-Reviewed Original ResearchInterfacial electron transferUltrafast interfacial electron transferTiO2 nanoparticlesSolar energy conversionElectron transferPhotocatalytic cellsNanoparticlesOrganic dyesTiO 2 surfaceMetal oxidesEnergy conversionElectron injectionConduction bandTHz spectroscopyAqueous conditionsTiO2Transition metal complexesNeutral pHFunctionalizationMetal complexesCarboxylate anchorStrong bindingStable moleculesOxideCarboxylic acids
2009
Deposition of an oxomanganese water oxidation catalyst on TiO 2 nanoparticles : computational modeling, assembly and characterization
Li G, Sproviero E, Snoeberger R, Iguchi N, Blakemore J, Crabtree R, Brudvig G, Batista V. Deposition of an oxomanganese water oxidation catalyst on TiO 2 nanoparticles : computational modeling, assembly and characterization. Energy & Environmental Science 2009, 2: 230-238. DOI: 10.1039/b818708h.Peer-Reviewed Original ResearchWater oxidation catalystsOxidation catalystTiO2 nanoparticlesUV-visible spectroscopyTiO 2 nanoparticlesMixed valence stateAmorphous TiO2 nanoparticlesWater ligandsElectrochemical studiesElectrochemical measurementsEPR spectroscopySurface complexesMimic photosynthesisDirect adsorptionSitu synthesisTiO2 surfaceSuccessful attachmentEPR dataNanoparticlesCatalystSolar cellsSpectroscopyComputational modelingAdsorptionEPR
2007
Ultrafast Photooxidation of Mn(II)−Terpyridine Complexes Covalently Attached to TiO2 Nanoparticles
Abuabara S, Cady C, Baxter J, Schmuttenmaer C, Crabtree R, Brudvig G, Batista V. Ultrafast Photooxidation of Mn(II)−Terpyridine Complexes Covalently Attached to TiO2 Nanoparticles. The Journal Of Physical Chemistry C 2007, 111: 11982-11990. DOI: 10.1021/jp072380h.Peer-Reviewed Original ResearchInterfacial electron transferTiO2 nanoparticlesColloidal thin filmsVisible light sensitizationElectron transferTime-resolved measurementsSurface modificationNanoparticlesThin filmsTiO2 surfaceAqueous suspensionTransient measurementsEPR signalPhotoexcitationMeasurementsComputational simulationsFilmsFSSpectroscopyComplexesPhotooxidationTransferSurfaceSignals