2021
Experimental Verification of Ir 5d Orbital States and Atomic Structures in Highly Active Amorphous Iridium Oxide Catalysts
Kwon G, Chang S, Heo J, Lee K, Kim J, Cho B, Koo T, Kim B, Kim C, Lee J, Bak S, Beyer K, Zhong H, Koch R, Hwang S, Utschig L, Huang X, Hu G, Brudvig G, Tiede D, Kim J. Experimental Verification of Ir 5d Orbital States and Atomic Structures in Highly Active Amorphous Iridium Oxide Catalysts. ACS Catalysis 2021, 11: 10084-10094. DOI: 10.1021/acscatal.1c00818.Peer-Reviewed Original ResearchResonant inelastic x-ray scatteringOxygen evolution reactionIridium oxide catalystsAtomic structureOrbital statesOxide catalystsInelastic x-ray scatteringEV energy lossIr L3 edgeHigh-energy excitationsDensity functional theory calculationsRefined atomic structureCharge transfer kineticsDistribution function measurementsPDF measurementsFunctional theory calculationsDirect experimental verificationRIXS profileInterband transitionsOrbital excitationsCatalytic reactivityL3 edgePair distribution function measurementsIrOx filmsX-ray scattering
2016
Comparison of heterogenized molecular and heterogeneous oxide catalysts for photoelectrochemical water oxidation
Li W, He D, Sheehan S, He Y, Thorne J, Yao X, Brudvig G, Wang D. Comparison of heterogenized molecular and heterogeneous oxide catalysts for photoelectrochemical water oxidation. Energy & Environmental Science 2016, 9: 1794-1802. DOI: 10.1039/c5ee03871e.Peer-Reviewed Original ResearchWater oxidation catalystsHeterogeneous oxide catalystsSurface recombination rateOxide catalystsPerformance of hematiteBulk metal oxide catalystsHeterogeneous water oxidation catalystsPerformance of photoelectrodesO interfacePhotoelectrochemical water oxidationChemical energy conversionRecombination rateMetal oxide catalystsImproved charge transferAdditional charge-transfer pathwaysCharge transfer pathwayCombination of catalystsPEC performancePEC systemHematite photoanodesWater splittingWater oxidationIr catalystOxidation catalystPhotoelectrochemical reactions