2023
Observation of Support-Dependent Water Oxidation Kinetics on Molecularly-Derived Heterogeneous Ir-Oxide Catalysts
Zhang H, Liu T, Dulock N, William B, Wang Y, Chen B, Wikar H, Wang D, Brudvig G, Wang D, Waegele M. Observation of Support-Dependent Water Oxidation Kinetics on Molecularly-Derived Heterogeneous Ir-Oxide Catalysts. ECS Meeting Abstracts 2023, MA2023-01: 2154-2154. DOI: 10.1149/ma2023-01372154mtgabs.Peer-Reviewed Original ResearchWater oxidation activityIndium tin oxideActive siteHeterogeneous catalystsOxidation activityHeterogeneous water oxidation catalysisHigh water oxidation activityMost heterogeneous catalystsWater oxidation catalysisWater oxidation catalystsWater oxidation kineticsRate-determining stepOxidation catalysisCeO2 supportSurface chemistryOxidative chargeCatalyst influenceOxidation catalystMolecular structurePhotocatalytic activityCatalystElectronic structureDifferent oxidesTin oxideOxidation kineticsMultielectrode electrochemical cell for in situ structural characterization of amorphous thin‐film catalysts using high‐energy X‐ray scattering
Kwon G, Kisslinger K, Hwang S, Wright G, Layne B, Zhong H, Pattammattel A, Lynch J, Kim J, Hu G, Brudvig G, Lee W, Nam C. Multielectrode electrochemical cell for in situ structural characterization of amorphous thin‐film catalysts using high‐energy X‐ray scattering. Journal Of Applied Crystallography 2023, 56: 1392-1402. DOI: 10.1107/s1600576723006933.Peer-Reviewed Original ResearchThin film catalystElectrochemical cellGlassy carbonHigh-energy X-ray scatteringStructural characterizationX-ray scatteringWater oxidation catalystsPorous electrode architectureThree-electrode configurationHigh-energy x-ray scattering techniquesSitu structural characterizationPDF analysisIridium oxide filmsMetal oxide layerPair distribution function techniqueElectrode architectureOxidation catalystX-ray Scattering MeasurementsX-ray scattering techniquesReaction conditionsCatalystElectrochemical potentialAtomic pair distribution function (PDF) techniqueElectrodeDeposition technique
2019
Modification of a pyridine-alkoxide ligand during the synthesis of coordination compounds
Shopov D, Sharninghausen L, Sinha S, Mercado B, Brudvig G, Crabtree R. Modification of a pyridine-alkoxide ligand during the synthesis of coordination compounds. Inorganica Chimica Acta 2019, 484: 75-78. DOI: 10.1016/j.ica.2018.09.020.Peer-Reviewed Original ResearchPyridine-alkoxide ligandsWater oxidation catalysisHigher oxidation statesCoordination compoundsPincer ligandGeminal methyl groupsCatalytic conditionsOxidation stateOxidation catalystReaction conditionsMinor byproductsAliphatic alkenesMinor productsOxidative conditionsMethyl groupN-oxideLigandsBlue solutionCH groupPincerStructural analoguesSynthesisComplexesCatalystCentral unit
2016
Comparison of heterogenized molecular and heterogeneous oxide catalysts for photoelectrochemical water oxidation
Li W, He D, Sheehan S, He Y, Thorne J, Yao X, Brudvig G, Wang D. Comparison of heterogenized molecular and heterogeneous oxide catalysts for photoelectrochemical water oxidation. Energy & Environmental Science 2016, 9: 1794-1802. DOI: 10.1039/c5ee03871e.Peer-Reviewed Original ResearchWater oxidation catalystsHeterogeneous oxide catalystsSurface recombination rateOxide catalystsPerformance of hematiteBulk metal oxide catalystsHeterogeneous water oxidation catalystsPerformance of photoelectrodesO interfacePhotoelectrochemical water oxidationChemical energy conversionRecombination rateMetal oxide catalystsImproved charge transferAdditional charge-transfer pathwaysCharge transfer pathwayCombination of catalystsPEC performancePEC systemHematite photoanodesWater splittingWater oxidationIr catalystOxidation catalystPhotoelectrochemical reactions
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