2024
Modeling Electrochemical Vacancy Regeneration in Single-Walled Carbon Nanotubes
Jelušić J, Menzel J, Bertrand Q, Crabtree R, Wang H, Brudvig G, Batista V. Modeling Electrochemical Vacancy Regeneration in Single-Walled Carbon Nanotubes. The Journal Of Physical Chemistry Letters 2024, 15: 7788-7792. PMID: 39048317, DOI: 10.1021/acs.jpclett.4c01293.Peer-Reviewed Original ResearchProton-coupled electron transferDensity functional theorySingle-walled carbon nanotubesC-H bondsQuantum mechanics/molecular mechanicsDiverse catalytic reactionsCarbene characterCarbon nanotubesC-HAdjacent carbonWater dissociationElectron transferCatalytic reactionsCatalytic intermediatesFunctional theoryHydrogen atomsKetone groupForce-fieldCarbon atomsHydroxyl groupsElectrochemical regenerationZigzag single-walled carbon nanotubesElectrochemical potentialKetonesVacancy defectsMapping the Oxygens in the Oxygen-Evolving Complex of Photosystem II by Their Nucleophilicity Using Quantum Descriptors
Amin M, Kaur D, Brudvig G, Brooks B. Mapping the Oxygens in the Oxygen-Evolving Complex of Photosystem II by Their Nucleophilicity Using Quantum Descriptors. Journal Of Chemical Theory And Computation 2024, 20: 1414-1422. PMID: 38306696, DOI: 10.1021/acs.jctc.3c00926.Peer-Reviewed Original ResearchConceptual density functional theoryOxygen-evolving complexQuantum descriptorsBridging oxygenSolar energy to chemical energyEnergy to chemical energyWater splitting reactionOxygen-evolving complex of photosystem IIReactivity of moleculesDensity functional theoryComplex of photosystem IIDual descriptorFukui functionsNucleophilic attackTerminal waterArtificial catalystsAtomic contributionsModel compoundsFunctional theoryReaction mechanismNucleophilesPhotosystem IIElectrophilesMn4Chemical energy
2021
Toward understanding the S2-S3 transition in the Kok cycle of Photosystem II: Lessons from Sr-substituted structure
Amin M, Kaur D, Gunner M, Brudvig G. Toward understanding the S2-S3 transition in the Kok cycle of Photosystem II: Lessons from Sr-substituted structure. Inorganic Chemistry Communications 2021, 133: 108890. DOI: 10.1016/j.inoche.2021.108890.Peer-Reviewed Original ResearchDensity functional theoryS3 transitionPhotosystem IIWater oxidation mechanismS2-S3 transitionKok cycleOxidation mechanismContinuum electrostaticsHydrogen fuelFunctional theoryS2 stateSolar energyArtificial systemsCatalystDeprotonationWaterMn4CalculationsElectrostaticsSr2OxygenEnergeticsTransitionFuelStructure
2018
Water-Nucleophilic Attack Mechanism for the CuII(pyalk)2 Water-Oxidation Catalyst
Rudshteyn B, Fisher K, Lant H, Yang K, Mercado B, Brudvig G, Crabtree R, Batista V. Water-Nucleophilic Attack Mechanism for the CuII(pyalk)2 Water-Oxidation Catalyst. ACS Catalysis 2018, 8: 7952-7960. DOI: 10.1021/acscatal.8b02466.Peer-Reviewed Original ResearchKinetic isotope effectsWater nucleophilic attack mechanismWater oxidation catalystsWater nucleophilic attackD Kinetic Isotope EffectO bond formationUV-visible spectraDensity functional theoryElectrochemical stepWater oxidationElectrochemical analysisTurnover frequencyDerivative complexesBond formationRadical speciesRational designCis formFunctional theoryIsotope effectRate-limiting stepCatalystComplexesAttack mechanismMechanistic findingsDeprotonation
2014
Structural Studies of Oxomanganese Complexes for Water Oxidation Catalysis
Rivalta I, Brudvig G, Batista V. Structural Studies of Oxomanganese Complexes for Water Oxidation Catalysis. 2014, 1-14. DOI: 10.1002/9781118698648.ch1.Peer-Reviewed Original ResearchOxygen-evolving complexBiomimetic oxomanganese complexesOxomanganese complexesDensity functional theoryQuantum mechanics/molecular mechanics (QM/MM) hybrid methodsHigh-resolution spectroscopyPhotosystem IIStructure of PSIIX-ray absorption fine structure spectraX-ray radiationExtended X-ray absorption fine structure (EXAFS) spectraProteinaceous side chainsWater oxidation catalysisArtificial photosynthetic devicesFine structure spectraO bond formationWater splitting mechanismX-ray crystallographyOxomanganese clusterResolution spectroscopyX-ray diffraction dataSemiconductor surfacesOxidation catalysisPhotosynthetic devicesX-ray model