2023
A quantitative assessment of (bacterio)chlorophyll assignments in the cryo-EM structure of the Chloracidobacterium thermophilum reaction center
Gisriel C, Flesher D, Long Z, Liu J, Wang J, Bryant D, Batista V, Brudvig G. A quantitative assessment of (bacterio)chlorophyll assignments in the cryo-EM structure of the Chloracidobacterium thermophilum reaction center. Photosynthesis Research 2023, 1-10. PMID: 37749456, DOI: 10.1007/s11120-023-01047-5.Peer-Reviewed Original ResearchCryo-EM mapsCryogenic electron microscopy structureReaction centersHydrogen bond donorCryo-EM structureElectron microscopy structureReaction center complexBond donorPhotosynthetic organismsMicroscopy structureProtein complexesElectron transferMolecular structureFunctional insightsStructural biologyLight harvestingProtein environmentChemical environmentExperimental cryo-EM mapsDownstream investigationsCenter complexPrimary pigmentEnergy transferStructural dataAcetyl moietyObservation 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 kinetics
2017
Photodriven Oxidation of Surface-Bound Iridium-Based Molecular Water-Oxidation Catalysts on Perylene-3,4-dicarboximide-Sensitized TiO2 Electrodes Protected by an Al2O3 Layer
Kamire R, Materna K, Hoffeditz W, Phelan B, Thomsen J, Farha O, Hupp J, Brudvig G, Wasielewski M. Photodriven Oxidation of Surface-Bound Iridium-Based Molecular Water-Oxidation Catalysts on Perylene-3,4-dicarboximide-Sensitized TiO2 Electrodes Protected by an Al2O3 Layer. The Journal Of Physical Chemistry C 2017, 121: 3752-3764. DOI: 10.1021/acs.jpcc.6b11672.Peer-Reviewed Original ResearchMolecular water oxidation catalystsDye-sensitized photoelectrochemical cellsWater oxidation catalystsCharge transfer dynamicsSolar fuel productionCharge recombinationAtomic layer depositionHigher photocurrentTransfer dynamicsDye-sensitized TiO2 photoanodesFemtosecond transient absorption spectroscopyCharge transfer rateTransient absorption spectroscopyALD layersFuel productionDicarboximide chromophorePhotodriven oxidationMononuclear catalystsDinuclear catalystsCatalyst oxidationDye moleculesInitial charge injectionMolecular structurePhotoelectrochemical experimentsAbsorption spectroscopy
2000
Low-Frequency Resonance Raman Characterization of the Oxygen-Evolving Complex of Photosystem II
Cua A, Stewart D, Reifler M, Brudvig G, Bocian D. Low-Frequency Resonance Raman Characterization of the Oxygen-Evolving Complex of Photosystem II. Journal Of The American Chemical Society 2000, 122: 2069-2077. DOI: 10.1021/ja9932885.Peer-Reviewed Original ResearchO2-evolving complexMn4 clusterS2 statePhotosystem IIRedox-active tyrosinesLow-energy electronic transitionsRaman spectraElectronic transitionsS1 stateVibrational modesOxygen-Evolving ComplexRaman studiesS2 oxidation stateRaman scatteringResonance Raman CharacterizationExcitation Raman spectroscopyTetramanganese clusterCoordination environmentNIR transitionsVibrational spectroscopyOxidation stateMolecular structureD2O/H2O exchangeOH groupsRaman spectroscopy