Jaehong Kim
Henry P. Becton Sr. Professor of EngineeringCards
About
Research
Publications
2026
Enhanced nitrate reduction through chloride-assisted copper electrode reformation in pulsed electrolysis
Yang J, Zhao Y, Liu X, Liu K, Liu G, Wei J, Huo M, Hu C, Qu J, Kim J, Sun M. Enhanced nitrate reduction through chloride-assisted copper electrode reformation in pulsed electrolysis. Applied Catalysis B Environment And Energy 2026, 382: 125921. DOI: 10.1016/j.apcatb.2025.125921.Peer-Reviewed Original ResearchPulse electrolysisElectrochemical nitrate reductionPresence of chloride ionsAdvanced electrocatalystsCounter electrodeChlorination reactionOver-oxidationNitrate conversion rateElectrolysis approachElectrolysis systemCu electrodeChloride ionsCu2O formationCu2OIn situElectrolysisCathodic pulsesElectrodeBiological denitrificationAnodic pulsesNitrate reductionElectrocatalystsCathodeConversion rateDinitrogenDFT based design and one-pot synthesis of Ca2V2O7/ZnO nanocomposite for multifunctional supercapacitor and photocatalysis applications
Ishwarya S, Nagaswarupa H, Naik Y, Naik R, Koyyada G, Kim J, Pandiaraj S, Alzahrani K. DFT based design and one-pot synthesis of Ca2V2O7/ZnO nanocomposite for multifunctional supercapacitor and photocatalysis applications. Materials Chemistry And Physics 2026, 349: 131778. DOI: 10.1016/j.matchemphys.2025.131778.Peer-Reviewed Original ResearchGalvanostatic charge-dischargeDensity functional theoryOne-pot synthesisX-ray photoelectron spectroscopyElectrochemical impedance spectroscopyX-ray diffractionCyclic voltammetryGalvanostatic charge–discharge analysisDetection of heavy metal ionsUltraviolet diffuse reflectance spectroscopyModified carbon paste electrodeSustainable energy storageX-raySensitive electrochemical detectionElectrochemical sensing applicationsDiffuse reflectance spectroscopyCarbon paste electrodeElectrochemical sensing capabilitiesSolution combustion methodAverage crystallite sizeHexagonal ZnO phasePhotocatalytic performancePhotocatalytic efficiencyCharge-dischargeElectrochemical propertiesDFT-supported design and multifunctional evaluation of Sm3+ doped Ca3WO6 nanophosphors for photoluminescence, forensics, and photocatalysis
Sunagar V, Ishwarya S, Nagaswarupa H, kumar A, Naik R, Kim J, Goud B, Pandiaraj S, Alzahrani K. DFT-supported design and multifunctional evaluation of Sm3+ doped Ca3WO6 nanophosphors for photoluminescence, forensics, and photocatalysis. Optical Materials 2026, 169: 117601. DOI: 10.1016/j.optmat.2025.117601.Peer-Reviewed Original ResearchUV diffuse reflectance spectroscopySm3+ ionsCommission Internationale de l'EclairageFourier transform infrared spectraSm3+X-ray diffractionTransmission electron microscopyPhotocatalytic degradationCorrelated color temperaturePhotocatalytic degradation of methylene blueEfficient charge carrier separationCritical energy transfer distanceDegradation of methylene blueScanning electron microscopySuperior photocatalytic performanceCharge carrier separationMethylene blueSm3+ dopingEnergy transfer distanceMonoclinic phase stabilizationEnergy transfer mechanismSol-gel methodOptical band gapAverage crystallite sizeKubelka-Munk functionGreen copper magnesium alluminate hybrid nanomaterial for electrochemical energy storage, sensor and photocatalytic dye degradation applications
Harini H, Nagaswarupa H, Naik Y, Naik R, Goud B, Kim J, Pandiaraj S, Alzahrani K. Green copper magnesium alluminate hybrid nanomaterial for electrochemical energy storage, sensor and photocatalytic dye degradation applications. Current Applied Physics 2026, 81: 15-28. DOI: 10.1016/j.cap.2025.10.014.Peer-Reviewed Original ResearchX-ray diffraction analysisGalvanostatic charge-dischargeX-ray photoelectron spectroscopySol-gel synthesisElectrochemical impedance spectroscopyCyclic voltammetryFourier Transform Infrared SpectroscopyPhotocatalytic dye degradation applicationScanning electron microscopyTransmission electron microscopeElectrochemical energy storageDye degradation applicationsX-rayDetection of paracetamolCarbon paste electrodeUV-visible absorptionCharge-dischargeDye degradationXRD analysisElectrochemical analysisPaste electrodeDegradation applicationsFg-1Diffraction analysisImpedance spectroscopy
2025
Co/Zn MOF@rGO Hybrid Composite as a Highly Selective and Sensitive Non-enzymatic Electrochemical Glucose Sensor
Goud B, Moru S, Pandiaraj S, Naik R, Thota P, Koyyada G, Kim J. Co/Zn MOF@rGO Hybrid Composite as a Highly Selective and Sensitive Non-enzymatic Electrochemical Glucose Sensor. Topics In Catalysis 2025, 1-10. DOI: 10.1007/s11244-025-02240-7.Peer-Reviewed Original ResearchNon-enzymatic electrochemical glucose sensorLimit of detectionElectrochemical glucose sensorCo/Zn-MOFCo-MOFNon-enzymatic glucose sensorGlucose sensorHighest sensing abilityPreparation of CoSurface areaHigh surface areaGlucose sensing applicationsFT-IR characterizationQuantification of glucoseElectrochemical activityCharge transportFT-IRHybrid compositesSensing abilityCo/ZnPore sizeSweat samplesSensing applicationsXPSXRDSingle-Atom Catalyst Electrochemical Stability: Role of Metal Identity and Coordination Environment on Aggregation
Rigby K, Yu S, Arrazolo L, Leshchev D, Meese A, Stavitski E, Liu Y, Kim J. Single-Atom Catalyst Electrochemical Stability: Role of Metal Identity and Coordination Environment on Aggregation. ECS Meeting Abstracts 2025, MA2025-02: 2565-2565. DOI: 10.1149/ma2025-02532565mtgabs.Peer-Reviewed Original ResearchSingle-atom catalystsX-ray absorption spectroscopyCoordination environmentMetal identityAtomic dispersionIn situ X-ray absorption spectroscopyIn situ XAS experimentsCu single-atom catalystsDensity functional theory calculationsMaximized atom efficiencyFunctional theory calculationsElectrocatalytic nitrate reductionMetal centerAtom efficiencyReaction conditionsTheory calculationsXAS experimentsElectrocatalytic systemsNanoparticle counterpartsAbsorption spectroscopyMetal particlesMetalComplete reductionGaseous atmosphereStabilityMultifunctional applications of barium zinc vanadate nanoparticles for photocatalytic dye degradation, energy storage and sensing applications
Ishwarya S, Nagaswarupa H, Naik Y, Basavaraju N, Naik R, Alodhayb A, Pandiaraj S, Goud B, Kim J. Multifunctional applications of barium zinc vanadate nanoparticles for photocatalytic dye degradation, energy storage and sensing applications. International Journal Of Minerals, Metallurgy And Materials 2025, 32: 3052-3071. DOI: 10.1007/s12613-025-3160-4.Peer-Reviewed Original ResearchPhotocatalytic dye degradationCarbon paste electrodeLimit of detectionDye degradationPaste electrodeUltraviolet visible diffuse reflectance spectroscopyGalvanostatic charge–discharge analysisEnergy storageVisible diffuse reflectance spectroscopyCharge-discharge analysisX-ray diffraction analysisDiffuse reflectance spectroscopyMultifunctional applicationsEnergy-dispersive X-ray spectroscopyMultifunctional characteristicsFourier Transform Infrared SpectroscopyPhotocatalytic activityPhotocatalytic efficiencyCycling stabilityZinc vanadateCyclic stabilityCyclic voltammetryCatalyst dosageVanadate nanoparticlesElectrochemical sensorBest practices for catalytic water treatment
Chouinard C, Westerhoff P, Kim J. Best practices for catalytic water treatment. Nature Sustainability 2025, 1-4. DOI: 10.1038/s41893-025-01687-6.Peer-Reviewed Original ResearchRecognizing Excellence in Environmental Engineering Research: The 2024 ACS ES&T Engineering’s Best Paper Awards
Choi W, Chaplin B, Dong F, Wells G, Lo I, Kim J, Kumar M, Nerenberg R. Recognizing Excellence in Environmental Engineering Research: The 2024 ACS ES&T Engineering’s Best Paper Awards. ACS ES&T Engineering 2025, 5: 2696-2697. DOI: 10.1021/acsestengg.5c00946.Peer-Reviewed Original ResearchOvercoming the reactivity-stability challenge in water treatment catalyst through spatial confinement
Wan Z, Chae S, Meese A, Nwokonkwo O, Arrazolo L, Yip K, Ma X, Liu S, Muhich C, Wang D, Wei H, Kim J. Overcoming the reactivity-stability challenge in water treatment catalyst through spatial confinement. Nature Communications 2025, 16: 9672. PMID: 41184236, PMCID: PMC12583781, DOI: 10.1038/s41467-025-64684-5.Peer-Reviewed Original ResearchCatalytic membraneRemoval of model pollutantsCatalytic activity lossSpatial confinementLayer of graphene oxideWater treatment applicationsIron oxyfluorideEfficient catalystCatalyst stabilityCatalytic materialsFlow-through operationLong-term stabilityPollutant degradationCatalyst deactivationModel pollutantCatalystFluoride ionsGraphene oxideAdvanced oxidationActivity lossAngstrom scaleEnvironmentally relevant conditionsNatural organic matterWater treatmentSize exclusion
News
News
- June 16, 2023Source: ACS ES&T Engineering
Nanobubble Reactivity: Evaluating Hydroxyl Radical Generation (or Lack Thereof) Under Ambient Conditions
- April 01, 2023Source: Environmental Science & Technology
Pulsed Electrolysis of Boron-Doped Carbon Dramatically Improves Impurity Tolerance and Longevity of H2O2 Production
- November 28, 2022
Yale Superfund Research Center to Investigate Water Contaminants Linked to Cancer
- October 03, 2022
Yale Superfund Research Center to Investigate Water Contaminants Linked to Cancer