2024
Water Ligands Regulate the Redox Leveling Mechanism of the Oxygen-Evolving Complex of the Photosystem II
Liu J, Yang K, Long Z, Armstrong W, Brudvig G, Batista V. Water Ligands Regulate the Redox Leveling Mechanism of the Oxygen-Evolving Complex of the Photosystem II. Journal Of The American Chemical Society 2024, 146: 15986-15999. PMID: 38833517, DOI: 10.1021/jacs.4c02926.Peer-Reviewed Original ResearchProton-coupled electron transferOxygen-evolving complexWater insertionWater ligandsCatalytic cycleMolecular dynamicsO-O bondQuantum mechanics/molecular mechanicsConformational changesFree energy changeLigand environmentElectron transferLigand exchangePhotosystem IIOxygen evolutionWater binding mechanismsEnergy changeLigandBinding mechanismAqueous environmentRedoxWater bindingLigand bindingCatalystIsomerization
2021
Charge Stabilization in Axially Linked Donor – Aluminum(III) Porphyrin – Fullerene Reaction Center Models
Zarrabi N, Seetharaman S, Chaudhuri S, Holzer N, Batista V, van der Est A, D'Souza F, Poddutoori P. Charge Stabilization in Axially Linked Donor – Aluminum(III) Porphyrin – Fullerene Reaction Center Models. ECS Meeting Abstracts 2021, MA2021-01: 781-781. DOI: 10.1149/ma2021-0116781mtgabs.Peer-Reviewed Original ResearchCharge-separated stateFinal charge-separated stateReaction center modelsRedox potentialRadical pairSequential electron transferSubstitution of phenylCoordination bondsMeso positionsPentafluorophenyl groupsDonor unitsElectron transferCharge stabilizationPorphyrin planeTriad resultsC60Ground stateTrifluorophenylCovalentPorphyrinsRedoxPhenylBondsAcceptorDonors