2021
Tuning the Conduction Band for Interfacial Electron Transfer: Dye-Sensitized Sn x Ti1–x O2 Photoanodes for Water Splitting
Spies J, Swierk J, Kelly H, Capobianco M, Regan K, Batista V, Brudvig G, Schmuttenmaer C. Tuning the Conduction Band for Interfacial Electron Transfer: Dye-Sensitized Sn x Ti1–x O2 Photoanodes for Water Splitting. ACS Applied Energy Materials 2021, 4: 4695-4703. DOI: 10.1021/acsaem.1c00305.Peer-Reviewed Original ResearchDFT calculationsAbsorption spectroscopyInterfacial electron transfer dynamicsUltrafast transient absorption spectroscopyInterfacial electron transferElectron transfer dynamicsUltrafast electron injectionConduction bandPeriodic DFT calculationsTransient absorption spectroscopyLinear absorption spectroscopyDye sensitizersWater splittingElectron transferTransfer dynamicsComposition of SnElectron acceptorAbsorption spectraElectron injectionD characterElectronic statesSpectroscopyPhotoanodeSnDye
2014
High-Conductance Conformers in Histograms of Single-Molecule Current–Voltage Characteristics
Ding W, Negre C, Vogt L, Batista V. High-Conductance Conformers in Histograms of Single-Molecule Current–Voltage Characteristics. The Journal Of Physical Chemistry C 2014, 118: 8316-8321. DOI: 10.1021/jp503193m.Peer-Reviewed Original ResearchOptimal charge transport propertiesFavorable electronic couplingSingle molecular junctionCharge transport propertiesBroadening of bandsBreak-junction experimentsMolecular assembliesMolecular conductanceChemical stabilityElectronic couplingMolecular conformationTransport propertiesMolecular junctionsSingle moleculesRational designMolecular orientationExperimental transport propertiesCharge transportElectronic statesMinimum energy configurationNonequilibrium Green's function methodConformationMoleculesEnergy configurationComputational methodology
2009
Interfacial Electron Transfer in TiO2 Surfaces Sensitized with Ru(II)−Polypyridine Complexes
Jakubikova E, Snoeberger R, Batista V, Martin R, Batista E. Interfacial Electron Transfer in TiO2 Surfaces Sensitized with Ru(II)−Polypyridine Complexes. The Journal Of Physical Chemistry A 2009, 113: 12532-12540. PMID: 19594155, DOI: 10.1021/jp903966n.Peer-Reviewed Original ResearchConceptsInterfacial electron transferElectronic excitationBidentate modeElectron transferDye-sensitized solar cellsElectronic statesConventional dye-sensitized solar cellsDensity functional theory calculationsVisible-light photoexcitationSolar cellsStable covalent bondsElectron transfer mechanismInterfacial electron-transfer mechanismVisible light excitationFunctional theory calculationsQuantum dynamics simulationsExcited electronic statesPolypyridine complexesPhosphonate linkersAdsorbate moleculesCovalent bondsIET efficiencyTiO2 surfaceTime scalesTheory calculations
2005
Model study of coherent quantum dynamics of hole states in functionalized semiconductor nanostructures
Rego L, Abuabara S, Batista V. Model study of coherent quantum dynamics of hole states in functionalized semiconductor nanostructures. The Journal Of Chemical Physics 2005, 122: 154709. PMID: 15945658, DOI: 10.1063/1.1873712.Peer-Reviewed Original ResearchSemiconductor band gapHole statesBand gapMixed quantum-classical methodDensity functional theory molecular dynamics simulationsCoherent quantum dynamicsInterfacial electron transferTheory molecular dynamics simulationsQuantum-classical methodProcess of photoexcitationHundreds of picosecondsElectron-hole pair separationQuantum dynamicsElectronic coherenceNuclear dynamicsSemiconductor nanostructuresInterband statesIntrinsic decoherenceElectronic statesRelaxation dynamicsHole tunnelingExperimental interestVacuum conditionsMolecular adsorbatesElectron transfer
2003
Quantum Dynamics Simulations of Interfacial Electron Transfer in Sensitized TiO2 Semiconductors
Rego L, Batista V. Quantum Dynamics Simulations of Interfacial Electron Transfer in Sensitized TiO2 Semiconductors. Journal Of The American Chemical Society 2003, 125: 7989-7997. PMID: 12823021, DOI: 10.1021/ja0346330.Peer-Reviewed Original ResearchInterfacial electron transferElectron transferAb initio DFT molecular dynamics simulationsDFT molecular dynamics simulationsAnatase crystalsElectron injection eventsInterfacial electron transfer dynamicsQuantum dynamics calculationsQuantum dynamics simulationsDynamics simulationsElectron transfer dynamicsSurface charge separationMolecular dynamics simulationsCarrier relaxationCharge delocalizationElectronic relaxationAdsorbate moleculesAnatase nanostructuresElectronic statesCharge separationVacuum conditionsSurface ionsTiO2 semiconductorElectron injectionPhotovoltaic devices
1996
Nonadiabatic molecular dynamics simulation of photodissociation and geminate recombination of I2 liquid xenon
Batista V, Coker D. Nonadiabatic molecular dynamics simulation of photodissociation and geminate recombination of I2 liquid xenon. The Journal Of Chemical Physics 1996, 105: 4033-4054. DOI: 10.1063/1.472277.Peer-Reviewed Original ResearchGeminate recombinationLiquid xenonNonadiabatic molecular dynamics simulationsExcited-state electronic structureExcited B stateSpin-orbit couplingSolvent densityUltrafast spectroscopic studiesState electronic structureMolecular dynamics simulationsState predissociationDissociative channelsAvailable experimental dataHigh solvent densityElectronic statesB stateMicroscopic understandingMolecular dynamics methodSolvent collisionSpectroscopic studiesModel HamiltonianElectronic structureBond extensionPhase reactionDynamics simulations