A5000061857- Electrocatalysts for Energy Conversion
- Advanced Photocatalysis Techniques
- Advanced battery technologies research
- Ammonia Synthesis and Nitrogen Reduction
- Photochemistry and Electron Transfer Studies
- Spectroscopy and Quantum Chemical Studies
- Catalytic Processes in Materials Science
- Analytical Chemistry and Chromatography
- Electrochemical Analysis and Applications
- Copper-based nanomaterials and applications
- Laser-Ablation Synthesis of Nanoparticles
- Supercapacitor Materials and Fabrication
- Molecular spectroscopy and chirality
- Electrohydrodynamics and Fluid Dynamics
- Caching and Content Delivery
- Nanomaterials for catalytic reactions
- Mass Spectrometry Techniques and Applications
- Free Radicals and Antioxidants
- Quantum, superfluid, helium dynamics
- Advanced Chemical Physics Studies
- Laser-induced spectroscopy and plasma
- Analytical Chemistry and Sensors
- Fuel Cells and Related Materials
- Hydrogen Storage and Materials
- Rocket and propulsion systems research
Gyeongsang National University
2012-2025
Oxford Dental College and Hospital
2022
Kyungpook National University
2022
Dongguk University
2022
Saveetha University
2022
Chulalongkorn University
2022
Chungbuk National University
2018-2020
University of Hawaiʻi at Mānoa
2019-2020
Government of the Republic of Korea
2017
University of North Carolina at Chapel Hill
2009
Cation modulation engineering is employed to tune the intrinsic activity and electronic structure of electrocatalysts for water electrolysis. Here, we designed two-dimensional cobalt–iron-layered double-hydroxide (CoFe-LDH) ultrathin nanosheets by pulsed laser ablation in an aqueous medium. The CoFe-LDH exhibited abundant electrochemically active sites a large surface area. optimal Co0.5Fe0.5-LDH low overpotential 270 mV during half-cell oxygen evolution reactions (OERs), whereas...
Abstract We investigated the role of metal atomization and solvent decomposition into reductive species carbon clusters in phase formation transition‐metal carbides (TMCs; namely, Co 3 C, Fe TiC, MoC) by pulsed laser ablation Co, Fe, Ti, Mo metals acetone. The interaction between s – p ‐orbitals d‐orbitals causes a redistribution valence structure through charge transfer, leading to surface defects as observed X‐ray photoelectron spectroscopy. These influence evolved TMCs, making them...
Electrocatalytic urea oxidation reaction (UOR) has emerged as a promising alternative to the anodic oxygen evolution (OER) in water electrolysis. However, UOR faces challenges like slow kinetics, high energy barriers, and complex mechanism, necessitating development of efficient electrocatalysts. Herein, rapid method is proposed for synthesizing Mo‐doped Ni/NiO (Ni/MNO) nanocomposite highly effective electrocatalyst. Mo doping oxidizes Ni 2+ 3+ , creating abundant active sites UOR. The...
Nowadays, the assembling of hybrid water electrolysis using a hydrazine oxidation reaction (HzOR) instead slow anodic oxygen evolution (OER) has been established as favorable technology for efficient hydrogen (H2) production. Nevertheless, it is still critical to develop highly effective bifunctional electrocatalysts both (HER) and HzOR. In this work, we propose facile approach design synthesis single-Pd-nanoparticles-decorated bimetallic NiCo2O4 nanoplates electrocatalyst HER Initially, are...
Herein, we present Ir-doped NiFe-LDH nanosheets synthesized via a pulsed laser irradiation strategy, showing superior electrocatalytic OER kinetics. We investigate the origin of activity in NiFeIr-LDH through situ / operando Raman and DFT studies.
Nanomaterials with high purity and functionality are in demand for diverse applications the energy environmental domains, making them an intensively researched issue. The production of novel electro- photoactive nanomaterials has been profoundly influenced by synthetic routes that make possible development surface crystalline-tuned advanced materials. significant size textural tailored properties materials synthesized through laser interaction matter have emerged as a promising technique....
Abstract Herein, an in situ approach of pulsed laser irradiation liquids (PLIL) was exploited to create surface‐modified electrodes for eco‐friendly H 2 fuel production via electrolysis. The surface the nickel foam (NF) substrate nondestructively modified 1.0 mol/L KOH using PLIL, resulting a highly reactive Ni(OH) /NF. Moreover, single‐metal Ir, Ru, and Pd nanoclusters were introduced onto /NF appropriate metal precursors. This simultaneous oxidation NF decoration with reduced metallic...
The present study details the strategic development of Co-doped CuO nanostructures via sophisticated and expedited pulsed laser ablation in liquids (PLAL) technique. Subsequently, these structures are employed as potent electrocatalysts for anodic methanol oxidation reaction (MOR), offering an alternative to sluggish oxygen evolution (OER). Electrochemical assessments indicate that Co-CuO catalyst exhibits exceptional MOR activity, requiring a reduced potential 1.42 V at 10 mA cm
Abstract The dynamic surface reconstruction of electrodes is a legible sign to understand the deep phase‐transition mechanistic and electrocatalytic origin during oxygen evolution reaction (OER). Herein, we report dual‐laser pulse‐patterned heterointerface α‐Co(OH) 2 reduced graphene oxide (rGO) nanosheets via pulsed laser irradiation in liquid (PLIL) accelerate OER kinetics. was formed from OH − ions generated PLIL GO at neutral pH. Co 2+ modulation tetrahedral coordination sites benefits...
This research adopts a new method combining calcination and pulsed laser irradiation in liquids to induce controlled phase transformation of Fe, Co, Ni, Cu, Mn transition-metal-based high-entropy Prussian blue analogs into single-phase spinel oxide face-centered cubic alloy (HEA). The synthesized HEA, characterized by its highly conductive nature reactive surface, demonstrates exceptional performance capturing low-level nitrite (NO
This work highlights the electrocatalytic C–N coupling for urea synthesis, addressing CO 2 and nitrogenous molecule reduction. It tackles challenges in inert activation, side reactions, mechanistic insights, catalyst development.