2021
Observation of a potential-dependent switch of water-oxidation mechanism on Co-oxide-based catalysts
Lang C, Li J, Yang K, Wang Y, He D, Thorne J, Croslow S, Dong Q, Zhao Y, Prostko G, Brudvig G, Batista V, Waegele M, Wang D. Observation of a potential-dependent switch of water-oxidation mechanism on Co-oxide-based catalysts. Chem 2021, 7: 2101-2117. DOI: 10.1016/j.chempr.2021.03.015.Peer-Reviewed Original ResearchWater oxidation mechanismWater oxidation reactionWater nucleophilic attack mechanismCo-based catalystsO bond formationNucleophilic attack mechanismKey elementary stepsHeterogeneous catalystsSalt electrolyteElectrode potentialApplied potentialBond formationLow driving forceO couplingElementary stepsMechanistic switchCatalystHigh driving forceDriving forceReactionAttack mechanismWater activityElectrolyteHereinPotential
1990
Electron-transfer events leading to reconstitution of oxygen-evolution activity in manganese-depleted photosystem II membranes.
Miller A, Brudvig G. Electron-transfer events leading to reconstitution of oxygen-evolution activity in manganese-depleted photosystem II membranes. Biochemistry 1990, 29: 1385-92. PMID: 2159337, DOI: 10.1021/bi00458a007.Peer-Reviewed Original ResearchConceptsPhotooxidation of Mn2Photosystem II membranesO2 evolution activityMn complexesElectron donationMn-depleted photosystem IIPhotosystem IIElectron paramagnetic resonance spectroscopyFirst photochemical stepElectron donation reactionsCharge-separated stateElectron transfer eventsCytochrome bParamagnetic resonance spectroscopyMn-depleted photosystem II membranesOxygen evolution activityUntreated photosystem IILow quantum yieldSlower electron donationPhotochemical stepPrevious kinetic studiesTurnover reactionsElementary stepsElectron donorPhotooxidation