2022
PM-IRRAS and DFT investigation of the surface orientation of new Ir piano-stool complexes attached to Au(111)
Miller C, Brunner F, Kelly H, Cheung P, Torquato N, Gembicky M, Okuno S, Chan T, Batista V, Kubiak C. PM-IRRAS and DFT investigation of the surface orientation of new Ir piano-stool complexes attached to Au(111). Dalton Transactions 2022, 51: 17688-17699. PMID: 36345597, DOI: 10.1039/d2dt02730e.Peer-Reviewed Original ResearchPiano-stool complexesPhenylpyridine ligandsPM-IRRASPolarization modulation infrared reflection absorption spectroscopyInfrared reflection absorption spectroscopySelf-assembled monolayersNew catalytic systemReflection absorption spectroscopyMinimum energy orientationMolecular catalystsOrganometallic catalystsCatalytic systemDFT calculationsSurface immobilizationDFT investigationAbsorption spectroscopyCatalystSurface mechanismBipyridineLigandsHeterogenous surfaceComplexesEnergy orientationSuch hybrid systemsSurface orientation
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
2018
Unusual Stability of a Bacteriochlorin Electrocatalyst under Reductive Conditions. A Case Study on CO2 Conversion to CO
Jiang J, Matula A, Swierk J, Romano N, Wu Y, Batista V, Crabtree R, Lindsey J, Wang H, Brudvig G. Unusual Stability of a Bacteriochlorin Electrocatalyst under Reductive Conditions. A Case Study on CO2 Conversion to CO. ACS Catalysis 2018, 8: 10131-10136. DOI: 10.1021/acscatal.8b02991.Peer-Reviewed Original ResearchCO Faradaic efficiencyAg/AgClBulk electrolysisMA/cm2Organic ligandsFaradaic efficiencyReductive catalysisRobust electrocatalystsPorphyrin counterpartsDFT calculationsSevere stability issuesCO2 conversionCO2 reductionReductive conditionsUnusual stabilityCatalytic stepLigand degradationTotal current densityMolecular originCurrent densityElectrocatalystsCO2 fixationLigandsObserved stabilityBioinspired studyDopant-Dependent SFG Response of Rhenium CO2 Reduction Catalysts Chemisorbed on SrTiO3 (100) Single Crystals
Ge A, Videla P, Rudshteyn B, Liu Q, Batista V, Lian T. Dopant-Dependent SFG Response of Rhenium CO2 Reduction Catalysts Chemisorbed on SrTiO3 (100) Single Crystals. The Journal Of Physical Chemistry C 2018, 122: 13944-13952. DOI: 10.1021/acs.jpcc.8b01123.Peer-Reviewed Original ResearchDensity functional theorySFG responseVibrational sum frequency generation spectroscopySum frequency generation spectroscopyCO2 reduction catalystsFrequency generation spectroscopySrTiO3 single crystalsSTO surfaceReduction catalystDFT calculationsSFG resultsGeneration spectroscopySingle crystalsMolecular probesElectronic structureFunctional theoryCl atomsMetallic natureConduction bandSubstrateSurfaceCrystalsCatalystSpectroscopyFac
2011
Pharmaceutical formulation affects titanocene transferrin interactions
Buettner K, Snoeberger R, Batista V, Valentine A. Pharmaceutical formulation affects titanocene transferrin interactions. Dalton Transactions 2011, 40: 9580-9588. PMID: 21847473, DOI: 10.1039/c1dt10805k.Peer-Reviewed Original ResearchConceptsTitanocene dichlorideHuman serum transferrinUV/FT-ICR mass spectrometryMolar absorptivityPH-dependent speciationDifferent molar absorptivitiesDFT calculationsSynergistic anionFluorescence quenchingPharmaceutical formulationsMass spectrometryTransfer energyAnticancer activitySerum transferrinAnticancer drugsPhase II human clinical trialsAbsorptivityNMRAnionsHuman clinical trialsDichloridePotential vehicleSpectrometryTi
2006
Density Functional Theory and DFT+U Study of Transition Metal Porphines Adsorbed on Au(111) Surfaces and Effects of Applied Electric Fields
Leung K, Rempe S, Schultz P, Sproviero E, Batista V, Chandross M, Medforth C. Density Functional Theory and DFT+U Study of Transition Metal Porphines Adsorbed on Au(111) Surfaces and Effects of Applied Electric Fields. Journal Of The American Chemical Society 2006, 128: 3659-3668. PMID: 16536538, DOI: 10.1021/ja056630o.Peer-Reviewed Original ResearchDensity functional theoryPorphine moleculeTransition metal ion complexesFunctional theoryMetal ion complexesLow-spin ground stateIon spin statesSpin-state orderingIon complexesGold substrateSubstituted porphyrinsDFT calculationsErnzerhof (PBE) exchange correlationCovalent bondingUseful general methodApplied Electric FieldPorphine macrocycleD electronsState orderingPerdew-BurkeAdsorptionMagnetic propertiesExchange correlationSpin statesMn d electrons