Jeong Woo Han
YOU?
Author Swipe
View article: Enhanced Kinetics and Dual‐Interfacial Stability in High‐Areal‐Loading Electrodes for Lithium Metal Batteries via Crosstalk‐Active Polymer‐Functionalized Carbon Nanotubes
Enhanced Kinetics and Dual‐Interfacial Stability in High‐Areal‐Loading Electrodes for Lithium Metal Batteries via Crosstalk‐Active Polymer‐Functionalized Carbon Nanotubes Open
With the rapid shift toward sustainable energy systems, battery technologies offering high energy densities and long cycle life are critical. Lithium metal batteries (LMBs) are central to achieving high energy storage required by global su…
View article: Nd <sup>3+</sup> /Yb <sup>3+</sup> Co‐Doped Germanate Glass Fibers Toward Dual‐Mode Fluorescence Intensity Ratio and Lifetime Thermometry
Nd <sup>3+</sup> /Yb <sup>3+</sup> Co‐Doped Germanate Glass Fibers Toward Dual‐Mode Fluorescence Intensity Ratio and Lifetime Thermometry Open
Fluorescence intensity ratio (FIR) thermometry is recognized for its fast response and high‐resolution characteristics; however, its performance is hindered by wavelength‐dependent absorption. Fluorescence lifetime sensing circumvents this…
View article: Enhanced long-wavelength emission and 2109 nm lasing in Tm <sup>3+</sup> /Ho <sup>3+</sup> co-doped germanate-core/silicate-cladding glass fiber
Enhanced long-wavelength emission and 2109 nm lasing in Tm <sup>3+</sup> /Ho <sup>3+</sup> co-doped germanate-core/silicate-cladding glass fiber Open
Fiber lasers emitting beyond 2.1 μm remain attractive owing to their superior performance in molecular “fingerprint” gas sensing, supercontinuum generation, and advanced bioimaging applications. The Ho 3+ : 5 I 7 → 5 I 8 transition offers …
View article: Strategic Design of Oxophilic Dopants for Active and Durable Alkaline Hydrogen Evolution Reaction Under Seawater
Strategic Design of Oxophilic Dopants for Active and Durable Alkaline Hydrogen Evolution Reaction Under Seawater Open
Seawater electrolysis offers a sustainable route for hydrogen production but challenges, including sluggish water dissociation, chloride‐induced poisoning, and metal hydroxide precipitation. Combinations of 36 three cost‐effective host met…
View article: Computationally guided dopant discovery for boosting TiO2 catalysts in plasma-assisted non-oxidative coupling of methane
Computationally guided dopant discovery for boosting TiO2 catalysts in plasma-assisted non-oxidative coupling of methane Open
View article: Revealing How Acid Sites Enhance the Electrocatalytic Glycerol Oxidation Performance on Pt Loaded Zeolite‐Carbon Composite Materials
Revealing How Acid Sites Enhance the Electrocatalytic Glycerol Oxidation Performance on Pt Loaded Zeolite‐Carbon Composite Materials Open
The catalytic role and function of acid sites in solid acid catalysts, such as zeolites, are well understood in the context of heterogeneous catalytic reactions. But although many studies have highlighted the importance of acid sites, thei…
View article: Growth of NiAl-LDH Nanoplates on NiFe Foam and Their Enhanced Electrochemical Properties for Oxygen Evolution Reaction
Growth of NiAl-LDH Nanoplates on NiFe Foam and Their Enhanced Electrochemical Properties for Oxygen Evolution Reaction Open
The development of sustainable energy that does not emit carbon pollutants is a major research topic toward minimizing waste generation and ecosystem degradation caused by the use of fossil fuels. Electrochemical water splitting is a semip…
View article: TiO2-facet-dependent reconstruction of Pt nanoparticles during CO oxidation
TiO2-facet-dependent reconstruction of Pt nanoparticles during CO oxidation Open
Facet engineering of metal-support interactions is a powerful approach for optimising catalytic activity. We investigated how exposed (001) and (101) facets of anatase TiO2 influence the structure and reactivity of ~1.8 nm Pt na…
View article: Electron‐Delocalized Solvation Enhances Charge Transfer Kinetics and Structural Stability for Sustainable Sodium‐Based Dual‐Ion Batteries
Electron‐Delocalized Solvation Enhances Charge Transfer Kinetics and Structural Stability for Sustainable Sodium‐Based Dual‐Ion Batteries Open
High‐voltage operation and fast charging are essential for next‐generation batteries, however, these demands are often hindered by electrolyte instability and sluggish ion transport, especially in sodium dual‐ion batteries (SDIBs), where a…
View article: Chirality-Induced Suppression of Singlet Oxygen in Lithium–Oxygen Batteries with Extended Cycle Life
Chirality-Induced Suppression of Singlet Oxygen in Lithium–Oxygen Batteries with Extended Cycle Life Open
View article: Microstructure Informed Mechanical Properties and Chemomechanical Degradation of Battery Cathode Particles
Microstructure Informed Mechanical Properties and Chemomechanical Degradation of Battery Cathode Particles Open
Background Mechanical degradation of electrodes driven by electrochemical reactions limits battery performance and longevity. While various microstructures of LiNi x Mn y Co z O 2 (NMC) cathodes have been developed, their comparative mecha…
View article: All-optically reconfigurable Er<sup>3+</sup>-doped single-frequency fiber laser with 100-nm tuning via self-adaptive dynamic gratings
All-optically reconfigurable Er<sup>3+</sup>-doped single-frequency fiber laser with 100-nm tuning via self-adaptive dynamic gratings Open
Single-frequency fiber lasers (SFFLs) are vital for precision metrology, optical clocks, and ultra-dense wavelength division multiplexing (UD-WDM) due to their ultra-narrow linewidth and high coherence. However, traditional SFFLs based on …
View article: Sustained virucidal functionality in practical-scale polymer matrices enabled by visible light-responsive CuxO–TiO2 photocatalyst
Sustained virucidal functionality in practical-scale polymer matrices enabled by visible light-responsive CuxO–TiO2 photocatalyst Open
View article: Breaking the Selectivity Barrier of Single‐Atom Nanozymes Through Out‐of‐Plane Ligand Coordination
Breaking the Selectivity Barrier of Single‐Atom Nanozymes Through Out‐of‐Plane Ligand Coordination Open
Peroxidase (POD)‐like nanozymes have emerged as effective alternatives to natural enzymes owing to their stability and cost‐effectiveness in biosensors. In particular, single‐atom nanozymes (SAzymes) featuring Fe–N 4 active sites have attr…
View article: Partially reduced PdOx nanoparticles strongly interacting with defect-rich ceria via dynamic redox pulse for complete methane oxidation
Partially reduced PdOx nanoparticles strongly interacting with defect-rich ceria via dynamic redox pulse for complete methane oxidation Open
View article: Structure Design of Boroaluminate Glass Scintillators for High‐Resolution Real‐Time Dynamic and Time‐Lapse Imaging
Structure Design of Boroaluminate Glass Scintillators for High‐Resolution Real‐Time Dynamic and Time‐Lapse Imaging Open
Real‐time and time‐lapse imaging have collectively driven the rapid advancement of indirect imaging technologies. However, integrating both functionalities into a single scintillator material to accommodate diverse application requirements…
View article: Understanding the Metal‐Center Mediated Adsorption and Redox Mechanisms in a FeMn(NbTa)<sub>2</sub>O<sub>6</sub> Columbite Material for Anion Exchange Membrane Water Electrolyzers (Adv. Energy Mater. 24/2025)
Understanding the Metal‐Center Mediated Adsorption and Redox Mechanisms in a FeMn(NbTa)<sub>2</sub>O<sub>6</sub> Columbite Material for Anion Exchange Membrane Water Electrolyzers (Adv. Energy Mater. 24/2025) Open
View article: Stark splitting and concentration quenching of Yb<sup>3+</sup> in a mixed-ion phosphate fiber for kHz single-frequency lasers across 1.0∼1.1 µm
Stark splitting and concentration quenching of Yb<sup>3+</sup> in a mixed-ion phosphate fiber for kHz single-frequency lasers across 1.0∼1.1 µm Open
Yb 3+ -doped fibers are extensively utilized in single-frequency fiber lasers (SFFLs) for applications such as deep-space exploration, atomic physics, and high-resolution spectroscopy, owing to the simple energy scheme, strong absorption b…
View article: Understanding the Metal‐Center Mediated Adsorption and Redox Mechanisms in a FeMn(NbTa)<sub>2</sub>O<sub>6</sub> Columbite Material for Anion Exchange Membrane Water Electrolyzers
Understanding the Metal‐Center Mediated Adsorption and Redox Mechanisms in a FeMn(NbTa)<sub>2</sub>O<sub>6</sub> Columbite Material for Anion Exchange Membrane Water Electrolyzers Open
The rising demand for sustainable green hydrogen production necessitates efficient and cost‐effective water‐splitting electrocatalysts. Inspired by the catalytic activities of columbite‐tantalite, this study combines a scalable cutting‐edg…
View article: Breakthrough oxygen electrode reaction kinetics using BaCe0.7Zr0.1Y0.1Yb0.1O3−δ based composite air electrodes for reversible solid oxide cells
Breakthrough oxygen electrode reaction kinetics using BaCe0.7Zr0.1Y0.1Yb0.1O3−δ based composite air electrodes for reversible solid oxide cells Open
For nearly half a century, composite air electrode architectures based on an oxygen-ion conducting Gd0.1Ce0.9O2–δ (GDC) electrolyte phase and a catalytically-active, electronically conductive second phase h…
View article: Nd<sup>3+</sup>-doped phosphate fibers for 0.9 μm single-frequency lasers: machine learning-driven compositional design for suppressing competitive emission
Nd<sup>3+</sup>-doped phosphate fibers for 0.9 μm single-frequency lasers: machine learning-driven compositional design for suppressing competitive emission Open
The 0.9 μm single-frequency fiber laser has emerged as a promising source for doubling frequency to generate blue lasers, which are essential for applications in underwater communication, detection, and laser display. However, the 4 F 3/2 …
View article: Optically tunable catalytic cancer therapy using enzyme-like chiral plasmonic nanoparticles
Optically tunable catalytic cancer therapy using enzyme-like chiral plasmonic nanoparticles Open
View article: Full-color tuning in multi-layer core-shell nanoparticles from single-wavelength excitation
Full-color tuning in multi-layer core-shell nanoparticles from single-wavelength excitation Open
Lanthanide-based luminescent materials have shown great capabilities in addressing scientific problems encountered in diverse fields. However, achieving full-color switchable output under single-wavelength irradiation has remained a daunti…
View article: Protective catalytic layer powering activity and stability of electrocatalyst for high-energy lithium-sulfur pouch cell
Protective catalytic layer powering activity and stability of electrocatalyst for high-energy lithium-sulfur pouch cell Open
Designing an electrocatalyst that simultaneously satisfies high catalytic activity and surface stability is essential for realizing high-performance lithium-sulfur (Li||S) batteries. Here, we propose an advanced electrocatalyst by construc…
View article: Computational Approaches for Designing Heterostructured Electrocatalysts
Computational Approaches for Designing Heterostructured Electrocatalysts Open
Electrocatalysts for oxidation and reduction reactions are crucial for sustainable energy production and carbon reduction. While precious metal catalysts exhibit superior activity, reducing reliance on them is necessary for large‐scale app…
View article: Cu–Ni Oxidation Mechanism Unveiled: A Machine Learning-Accelerated First-Principles and <i>in Situ</i> TEM Study
Cu–Ni Oxidation Mechanism Unveiled: A Machine Learning-Accelerated First-Principles and <i>in Situ</i> TEM Study Open
The development of accurate methods for determining how alloy surfaces spontaneously restructure under reactive and corrosive environments is a key, long-standing, grand challenge in materials science. Using machine learning-accelerated de…
View article: Dual-Active Site Catalysts of Co and Mo2c for Enhanced Kinetics and Durability in Hydrogen Evolution Reaction for Anion Exchange Membrane Water Electrolysis
Dual-Active Site Catalysts of Co and Mo2c for Enhanced Kinetics and Durability in Hydrogen Evolution Reaction for Anion Exchange Membrane Water Electrolysis Open
View article: Enhanced Structural Stability of Mo/Zsm-5 for Regenerability Improvement in Shale Gas Aromatization: The Effect of External Acidity and Defect Density
Enhanced Structural Stability of Mo/Zsm-5 for Regenerability Improvement in Shale Gas Aromatization: The Effect of External Acidity and Defect Density Open
View article: Cohesive Co and Mo<sub>2</sub>C heterostructure catalysts strongly confined to hollow carbon support for enhanced kinetics and durability in the alkaline hydrogen evolution reaction
Cohesive Co and Mo<sub>2</sub>C heterostructure catalysts strongly confined to hollow carbon support for enhanced kinetics and durability in the alkaline hydrogen evolution reaction Open
A hollow-confined Co–Mo 2 C heterostructure enhances interfacial charge transfer, lowers water dissociation energy, suppresses Mo leaching, and boosts HER kinetics and stability.
View article: Electrodeposition-Driven Metal-Support Coupling in Pd-Ceo2 On Sic Monolith for Low Power Joule-Heated Co Oxidation
Electrodeposition-Driven Metal-Support Coupling in Pd-Ceo2 On Sic Monolith for Low Power Joule-Heated Co Oxidation Open