2021
Organometallic complexes as preferred precursors to form molecular Ir(pyalk) coordination complexes for catalysis of oxygen evolution
Hu G, Crabtree R, Brudvig G. Organometallic complexes as preferred precursors to form molecular Ir(pyalk) coordination complexes for catalysis of oxygen evolution. Inorganica Chimica Acta 2021, 526: 120507. DOI: 10.1016/j.ica.2021.120507.Peer-Reviewed Original ResearchOrganometallic complexesCoordination complexesCatalyst precursorsOrganometallic ligandsOrganometallic precursorsOxygen evolution catalystsUseful catalyst precursorsBlue solutionPyalk ligandCoordination precursorsChelating ligandHomogeneous catalystsIrOx nanoparticlesActive speciesNanoparticle formationNanoparticle generationOxygen evolutionIsomeric mixtureOxidative activationCore unitLigandsCatalystComplexesActivation processPrecursors
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
2011
An Iridium(IV) Species, [Cp*Ir(NHC)Cl]+, Related to a Water-Oxidation Catalyst
Brewster T, Blakemore J, Schley N, Incarvito C, Hazari N, Brudvig G, Crabtree R. An Iridium(IV) Species, [Cp*Ir(NHC)Cl]+, Related to a Water-Oxidation Catalyst. Organometallics 2011, 30: 965-973. DOI: 10.1021/om101016s.Peer-Reviewed Original ResearchWater oxidation catalystsOne-electron stepsX-ray crystallographyWingtip groupsElectrochemical characterizationLigand environmentElectrochemical behaviorOxidation stateEPR spectroscopyNew compoundsCatalystRhombic symmetryCompoundsΚ2 CC donorsPrecatalystNHCChelatesCrystallographySpectroscopyLigandsCatalyticPrecursorsCharacterizationWaterAnodic deposition of a robust iridium-based water-oxidation catalyst from organometallic precursors
Blakemore J, Schley N, Olack G, Incarvito C, Brudvig G, Crabtree R. Anodic deposition of a robust iridium-based water-oxidation catalyst from organometallic precursors. Chemical Science 2011, 2: 94-98. DOI: 10.1039/c0sc00418a.Peer-Reviewed Original ResearchWater oxidation catalystsOrganometallic precursorsAnodic depositionRobust water oxidation catalystsLight-driven oxidationInorganic heterogeneous catalystsArtificial photosynthesisWater oxidationCatalyst materialsHeterogeneous catalystsFour-electronAqueous solutionCatalystPhotosystem IIOxidationPrecursorsSustainable sourceElectrodepositionIridiumDepositionMaterialsComplexesReactionOxygenAqua
2005
General Synthesis of Di-μ-oxo Dimanganese Complexes as Functional Models for the Oxygen Evolving Complex of Photosystem II
Chen H, Tagore R, Das S, Incarvito C, Faller J, Crabtree R, Brudvig G. General Synthesis of Di-μ-oxo Dimanganese Complexes as Functional Models for the Oxygen Evolving Complex of Photosystem II. Inorganic Chemistry 2005, 44: 7661-7670. PMID: 16212393, DOI: 10.1021/ic0509940.Peer-Reviewed Original ResearchConceptsDimanganese complexesCatalytic activitySeries of complexesGeneral preparative methodUV-visible spectroscopyElectrospray mass spectrometryOxygen-Evolving ComplexX-ray crystallographyPhotosystem IIParent complexEPR spectroscopyOxygen-evolving activityGeneral synthesisPreparative methodLigand librariesMass spectrometryHigh product purityComplexesMn dimersSpectroscopyProduct purityPrecursorsTerpyCrystallographyOxo