2017
Inferring Protonation States of Hydroxamate Adsorbates on TiO2 Surfaces
Rudshteyn B, Negre C, Oliboni R, Monti A, Chen J, Crabtree R, Rego L, Batista V. Inferring Protonation States of Hydroxamate Adsorbates on TiO2 Surfaces. The Journal Of Physical Chemistry C 2017, 121: 11985-11990. DOI: 10.1021/acs.jpcc.7b01272.Peer-Reviewed Original ResearchDensity functional theoryRed-shifted spectraSimulation of UVAbsorption measurementsBinding calculationsMolecular adsorbatesBinding HamiltonianFunctional theoryProtonation stateChanges of pKMain adsorption modeExperimental measurementsSemiconductor electrode surfaceSpectraAdsorbatesUVTiO2 surfaceSpectroscopic methodsTiO2 anataseMeasurements
2016
Ab initio tensorial electronic friction for molecules on metal surfaces: Nonadiabatic vibrational relaxation
Maurer R, Askerka M, Batista V, Tully J. Ab initio tensorial electronic friction for molecules on metal surfaces: Nonadiabatic vibrational relaxation. Physical Review B 2016, 94: 115432. DOI: 10.1103/physrevb.94.115432.Peer-Reviewed Original ResearchMetal surfaceElectronic frictionElectron-hole pair excitationsVibrational relaxationDensity functional theoryMolecular adsorbatesNonadiabatic coupling matrix elementsCoupling matrix elementsVibrational relaxation rateFunctional theoryAtomic orbital basis setsBasis setKohn-Sham density functional theoryEnergy transferAdsorbatesDiatomic moleculesPair excitationsMoleculesRelaxation rateTensorial propertiesSurfaceExperimental findingsChemistryFriction tensorCO
2014
Photoelectrochemical Hole Injection Revealed in Polyoxotitanate Nanocrystals Functionalized with Organic Adsorbates
Negre CF, Young KJ, Oviedo M, Allen LJ, Sánchez C, Jarzembska KN, Benedict JB, Crabtree RH, Coppens P, Brudvig GW, Batista VS. Photoelectrochemical Hole Injection Revealed in Polyoxotitanate Nanocrystals Functionalized with Organic Adsorbates. Journal Of The American Chemical Society 2014, 136: 16420-16429. PMID: 25337894, DOI: 10.1021/ja509270f.Peer-Reviewed Original ResearchOrganic adsorbatesVisible lightInterfacial charge transferQuantum dynamics simulationsEPR spectroscopyCharge transferPhotocathodic currentPhotoelectrochemical measurementsHole injectionCovalent attachmentCovalent bindingDynamics simulationsAdsorbatesNanocrystalsSurface statesThin layerAcetylacetonateNanoparticlesSpectroscopyElectrodeFirst timeTiO2FTO
2013
Hydroxamate Anchors for Improved Photoconversion in Dye-Sensitized Solar Cells
Brewster TP, Konezny SJ, Sheehan SW, Martini LA, Schmuttenmaer CA, Batista VS, Crabtree RH. Hydroxamate Anchors for Improved Photoconversion in Dye-Sensitized Solar Cells. Inorganic Chemistry 2013, 52: 6752-6764. PMID: 23687967, DOI: 10.1021/ic4010856.Peer-Reviewed Original ResearchConceptsDye-sensitized solar cellsSolar cellsRuthenium polypyridyl dyesElectricity conversion efficiencyExhibit high efficiencyCurrent density–voltage (J–V) characteristic curvesAnchoring groupDye moleculesElectron transferMolecular adsorbatesPhotocatalytic applicationsTiO2 surfaceCell performanceSemiconductor surfacesConversion efficiencyStructure/function relationshipsFundamental insightsFuture applicationsSimilar conditionsHigh efficiencyPhotoanodeElectrolyteFunction relationshipsAdsorbatesSurfaceCHAPTER 1
Konezny S, Batista V. CHAPTER 1. Energy And Environment Series 2013, 1-36. DOI: 10.1039/9781849735445-00001.Peer-Reviewed Original ResearchMolecular adsorbatesEarth abundant transition metal complexesTransition metal complexesInverse molecular designSolar cellsNew photocatalytic materialsSolar light absorptionMetal complexesRedox propertiesSolar cell componentsChemical fuelsMolecular designPhotocatalytic materialsSolar cell assemblyNanoporous materialsRedox potentialFirst-principles calculationsCharge transportCurrent-voltage characteristicsLight absorptionPrinciples calculationsSemiconductor materialsAdsorbatesFundamental insightsMechanistic characterization