Kijung Yong
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View article: Selective and Long‐Term Stable Ammonia Electrolysis Using Pt–WO <sub>x</sub> Catalysts with Suppressed NO <sub>x</sub> Formation and Enhanced Activity
Selective and Long‐Term Stable Ammonia Electrolysis Using Pt–WO <sub>x</sub> Catalysts with Suppressed NO <sub>x</sub> Formation and Enhanced Activity Open
Ammonia electrolysis presents a promising strategy for low‐voltage hydrogen production; however, its advancement is impeded by limitations in electrocatalyst performance due to sluggish reaction kinetics and deactivation caused by strongly…
View article: Advancing Lithium‐Mediated Nitrogen Reduction using Insights from Lithium‐Ion Battery: Focusing on Uniform Li Plating
Advancing Lithium‐Mediated Nitrogen Reduction using Insights from Lithium‐Ion Battery: Focusing on Uniform Li Plating Open
Lithium‐mediated nitrogen reduction reaction (Li‐NRR) offers a promising alternative to the energy‐intensive Haber–Bosch process for ammonia (NH 3 ) synthesis, enabling renewable‐powered NH 3 production. However, this technology faces mult…
View article: Coupling Anodic Reactions in Electrochemical Nitrate Reduction to Ammonia
Coupling Anodic Reactions in Electrochemical Nitrate Reduction to Ammonia Open
Ammonia is a widely produced chemical globally, primarily used in fertilizers and chemical products. Recently, it has gained attention as a green hydrogen carrier due to its high hydrogen content and energy density. However, the convention…
View article: Recent Advances and Strategies for Co‐Based Catalysts in Ammonia Decomposition for Hydrogen Production
Recent Advances and Strategies for Co‐Based Catalysts in Ammonia Decomposition for Hydrogen Production Open
Hydrogen has been proposed as a clean energy source to replace fossil fuels. The hydrogen economy encompasses the production, storage, transport, and use of hydrogen. Among the various potential hydrogen carriers, ammonia is considered an …
View article: Tailoring Cu3nx Clusters on Tio2 Nanosheets to the Sub-Nanometric Scale for Enhancing Nh3 Photosynthesis
Tailoring Cu3nx Clusters on Tio2 Nanosheets to the Sub-Nanometric Scale for Enhancing Nh3 Photosynthesis Open
View article: Multiscale Hierarchical Electrocatalyst-Driven Low-Energy Hybrid Water Electrolysis in an Aem Electrolyzer
Multiscale Hierarchical Electrocatalyst-Driven Low-Energy Hybrid Water Electrolysis in an Aem Electrolyzer Open
View article: Steric Hindrance-Derived Li<sup>+</sup> Solvation to Enhance Lithium-Mediated Nitrogen Reduction
Steric Hindrance-Derived Li<sup>+</sup> Solvation to Enhance Lithium-Mediated Nitrogen Reduction Open
View article: Localized High‐Concentration Electrolyte in Li‐Mediated Nitrogen Reduction for Ammonia Synthesis
Localized High‐Concentration Electrolyte in Li‐Mediated Nitrogen Reduction for Ammonia Synthesis Open
The lithium‐mediated nitrogen reduction reaction (Li‐NRR) is a promising green alternative to the Haber–Bosch process for ammonia synthesis. The solid electrolyte interphase (SEI) is crucial for high efficiency and stability, as it regulat…
View article: Insight into Fluoride Additives to Enhance Ammonia Production from Lithium‐Mediated Electrochemical Nitrogen Reduction Reaction
Insight into Fluoride Additives to Enhance Ammonia Production from Lithium‐Mediated Electrochemical Nitrogen Reduction Reaction Open
Demands for green ammonia production increase due to its application as a proton carrier, and recent achievements in electrochemical Li‐mediated nitrogen reduction reactions (Li‐NRRs) show promising reliability. Here, it is demonstrated th…
View article: Ultrabroadband absorptive refractory plasmonics for photocatalytic hydrogen evolution reactions
Ultrabroadband absorptive refractory plasmonics for photocatalytic hydrogen evolution reactions Open
As an environmentally friendly and renewable method for hydrogen production powered by solar energy, photocatalytic hydrogen evolution reactions (HERs) using broadband absorbers have received much attention. Here, we report the fabrication…
View article: Mn Doped Hierarchical Water Splitting Electrocatalyst: Synthesis, Surface Analysis and Application to Aemwe
Mn Doped Hierarchical Water Splitting Electrocatalyst: Synthesis, Surface Analysis and Application to Aemwe Open
View article: Strategies to Enhance Interfacial Spatial Charge Separation for High‐Efficiency Photocatalytic Overall Water‐Splitting: A Review
Strategies to Enhance Interfacial Spatial Charge Separation for High‐Efficiency Photocatalytic Overall Water‐Splitting: A Review Open
Developing efficient photocatalysts for overall water‐splitting (OWS) has garnered considerable attention due to their potential in renewable energy conversion and storage. Enhancing the efficiency of interfacial spatial charge separation …
View article: Overview of emerging catalytic materials for electrochemical green ammonia synthesis and process
Overview of emerging catalytic materials for electrochemical green ammonia synthesis and process Open
The concept of “green‐ammonia‐zero‐carbon emission” is an emerging research topic in the global community and many countries driving toward decarbonizing a diversity of applications dependent on fossil fuels. In light of this, electrochemi…
View article: Spatial Separation of Cocatalysts on Z‐Scheme Organic/Inorganic Heterostructure Hollow Spheres for Enhanced Photocatalytic H<sub>2</sub> Evolution and In‐Depth Analysis of the Charge‐Transfer Mechanism (Adv. Mater. 4/2023)
Spatial Separation of Cocatalysts on Z‐Scheme Organic/Inorganic Heterostructure Hollow Spheres for Enhanced Photocatalytic H<sub>2</sub> Evolution and In‐Depth Analysis of the Charge‐Transfer Mechanism (Adv. Mater. 4/2023) Open
Photocatalytic H2 Evolution In article number 2200172, Kijung Yong and co-workers present a Pt/g-C3N4/TiO2/IrOx hollow sphere for photocatalytic water splitting. The two cocatalysts, Pt and IrOx, are spatially separated along the Z-scheme …
View article: MOF-derived NiCoZnP nanoclusters anchored on hierarchical N-doped carbon nanosheets array as bifunctional electrocatalysts for overall water splitting
MOF-derived NiCoZnP nanoclusters anchored on hierarchical N-doped carbon nanosheets array as bifunctional electrocatalysts for overall water splitting Open
The development of novel bifunctional electrocatalysts for hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) is urgently desired for improving the efficiency of overall water splitting but remains a great challenge. Her…
View article: Yolk–shell nanostructures: synthesis, photocatalysis and interfacial charge dynamics
Yolk–shell nanostructures: synthesis, photocatalysis and interfacial charge dynamics Open
This review gives a comprehensive retrospection on the preparation and photocatalytic applications of yolk–shell nanostructures with additional focus on the realization of interfacial charge dynamics.
View article: Thorn-like TiO2 nanoarrays with broad spectrum antimicrobial activity through physical puncture and photocatalytic action
Thorn-like TiO2 nanoarrays with broad spectrum antimicrobial activity through physical puncture and photocatalytic action Open
View article: Growth of hierarchical gold clusters for use in superomniphobic electrodes
Growth of hierarchical gold clusters for use in superomniphobic electrodes Open
A superomniphobic gold electrode with a hierarchical gold cluster structure could be fabricated using a simple wet-chemical reduction reaction and fluorination.
View article: Switchable Ferroelectric Photovoltaic Effects in Epitaxial Thin Films of h-RFeO3 having Narrow Optical Band Gaps
Switchable Ferroelectric Photovoltaic Effects in Epitaxial Thin Films of h-RFeO3 having Narrow Optical Band Gaps Open
Ferroelectric photovoltaics (FPVs) have drawn much attention owing to their high stability, environmental safety, anomalously high photovoltages, coupled with reversibly switchable photovoltaic responses. However, FPVs suffer from extremel…
View article: Water Splitting: A Highly Versatile and Adaptable Artificial Leaf with Floatability and Planar Compact Design Applicable in Various Natural Environments (Adv. Mater. 34/2017)
Water Splitting: A Highly Versatile and Adaptable Artificial Leaf with Floatability and Planar Compact Design Applicable in Various Natural Environments (Adv. Mater. 34/2017) Open
A floatable and 2D compact artificial-leaf system is reported by Kijung Yong and co-workers in article number 1702431. The unique design of the cell provides highly adaptable and versatile functioning of the system in various environments.…
View article: Elevated photoelectrochemical activity of FeVO<sub>4</sub>/ZnFe<sub>2</sub>O<sub>4</sub>/ZnO branch-structures via slag assisted-synthesis
Elevated photoelectrochemical activity of FeVO<sub>4</sub>/ZnFe<sub>2</sub>O<sub>4</sub>/ZnO branch-structures via slag assisted-synthesis Open
By recycling rare-earth slag as the iron source, FeVO4/ZnFe2O4/REO core–shell–shell nanorods are fabricated on ZnO NRs and exhibit enhanced photoelectrochemical efficiency.
View article: Highly efficient UV-sensing properties of Sb-doped ZnO nanorod arrays synthesized by a facile, single-step hydrothermal reaction
Highly efficient UV-sensing properties of Sb-doped ZnO nanorod arrays synthesized by a facile, single-step hydrothermal reaction Open
The synthesis of electrical and optical property-modulated, low-dimensional metal oxide semiconductors has been adopted for the development of nanodevices.
View article: Hydrogen-doped Brookite TiO2 Nanobullets Array as a Novel Photoanode for Efficient Solar Water Splitting
Hydrogen-doped Brookite TiO2 Nanobullets Array as a Novel Photoanode for Efficient Solar Water Splitting Open
View article: Bio-inspired dewetted surfaces based on SiC/Si interlocked structures for enhanced-underwater stability and regenerative-drag reduction capability
Bio-inspired dewetted surfaces based on SiC/Si interlocked structures for enhanced-underwater stability and regenerative-drag reduction capability Open
Drag reduction has become a serious issue in recent years in terms of energy conservation and environmental protection. Among diverse approaches for drag reduction, superhydrophobic surfaces have been mainly researched due to their high dr…
View article: Combining the lotus leaf effect with artificial photosynthesis: regeneration of underwater superhydrophobicity of hierarchical ZnO/Si surfaces by solar water splitting
Combining the lotus leaf effect with artificial photosynthesis: regeneration of underwater superhydrophobicity of hierarchical ZnO/Si surfaces by solar water splitting Open
Fabrication of stable superhydrophobic surfaces in dynamic circumstances is a key issue for practical uses of non-wetting surfaces. However, superhydrophobic surfaces have finite lifetime in underwater conditions due to the diffusion of ga…
View article: Thermal replacement reaction: a novel route for synthesizing eco-friendly ZnO@γ-In<sub>2</sub>Se<sub>3</sub>hetero-nanostructures by replacing cadmium with indium and their photoelectrochemical and photocatalytic performances
Thermal replacement reaction: a novel route for synthesizing eco-friendly ZnO@γ-In<sub>2</sub>Se<sub>3</sub>hetero-nanostructures by replacing cadmium with indium and their photoelectrochemical and photocatalytic performances Open
A novel route called thermal replacement reaction was demonstrated for synthesizing eco-friendly ZnO@γ-In2Se3 hetero-structural nanowires on FTO glass by replacing the element cadmium with indium for the first time. The indium layer was co…
View article: Morphological optimization of large-area arrays of TiO<sub>2</sub> nanowires & nanotubes for enhanced cold field emission: experiment and theory
Morphological optimization of large-area arrays of TiO<sub>2</sub> nanowires & nanotubes for enhanced cold field emission: experiment and theory Open
Designed by finite elemental modelling, large-area arrays of TiO2 nanowires and nanotubes with differentiated heights mixed together are synthesized on a planar Ti wafer via hydrothermal methods.
View article: Photoelectrochemical Hydrogen Generation Using C-dot/ZnO Hierarchical Nanostructure as an Efficient Photoanode
Photoelectrochemical Hydrogen Generation Using C-dot/ZnO Hierarchical Nanostructure as an Efficient Photoanode Open
In this study, we have developed a stable and environmental-friendly photoelectrode of carbon nanodots (C-dots) coupled with a 3 dimensional ZnO structure. Our C-dots are synthesized hydrothermally with a high yield of 40%, and they are su…