Jongwan Jung
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View article: Exploring Double NDR Modulation and UV‐NIR Photodetection in MoS <sub>2</sub> /Sb <sub>2</sub> Se <sub>3</sub> Heterostructures
Exploring Double NDR Modulation and UV‐NIR Photodetection in MoS <sub>2</sub> /Sb <sub>2</sub> Se <sub>3</sub> Heterostructures Open
Negative differential resistance (NDR) in van der Waals heterostructures holds significant potential for high‐frequency electronics and logic circuits. This study explores the NDR behavior of n‐type MoS 2 /p‐type Sb 2 Se 3 heterostructures…
View article: Chalcogenide‐Based Brain‐Inspired Photo‐Synapses for Neuromorphic Vision Sensor: An Experimental and Theoretical Study
Chalcogenide‐Based Brain‐Inspired Photo‐Synapses for Neuromorphic Vision Sensor: An Experimental and Theoretical Study Open
2D chalcogenide‐based memristors have the potential to be used in artificial biological visual systems since their synaptic behavior can be optically and electrically modulated. Furthermore, 2D van der Waals materials such as SnS 2 can be …
View article: Development of CoTe<sub>2</sub>, CoS<sub>2</sub>, and CoSe<sub>2</sub> Electrode Material for the Asymmetric Supercapacitors
Development of CoTe<sub>2</sub>, CoS<sub>2</sub>, and CoSe<sub>2</sub> Electrode Material for the Asymmetric Supercapacitors Open
Supercapacitors play a crucial role in electrical energy storage and conversion applications today due to their high power density and ability to integrate with various energy conversion devices. Many efforts have been made to address issu…
View article: Enhancement of Ion-Sensitive Field-Effect Transistors through Sol-Gel Processed Lead Zirconate Titanate Ferroelectric Film Integration and Coplanar Gate Sensing Paradigm
Enhancement of Ion-Sensitive Field-Effect Transistors through Sol-Gel Processed Lead Zirconate Titanate Ferroelectric Film Integration and Coplanar Gate Sensing Paradigm Open
To facilitate the utility of field effect transistor (FET)-type sensors, achieving sensitivity enhancement beyond the Nernst limit is crucial. Thus, this study proposed a novel approach for the development of ferroelectric FETs (FeFETs) us…
View article: Photodetection Enhancement of PdSe<sub>2</sub>/ReSe<sub>2</sub> Van der Waals Heterostructure Field‐Effect Transistors: A Density Functional Theory‐Guided Approach
Photodetection Enhancement of PdSe<sub>2</sub>/ReSe<sub>2</sub> Van der Waals Heterostructure Field‐Effect Transistors: A Density Functional Theory‐Guided Approach Open
The fabrication of van der Waals heterostructures (vdWHs) has drawn considerable interest because of their wide range of functionalities. Herein, a novel PdSe 2 /ReSe 2 vdWHs with gate‐tunable rectification behavior and excellent broadband…
View article: Improved Charge Storage Kinetics Using Metal Carbide Integrated Nio Hybrid Composite Electrodes for Supercapacitors
Improved Charge Storage Kinetics Using Metal Carbide Integrated Nio Hybrid Composite Electrodes for Supercapacitors Open
View article: Theoretical Justification of Structural, Magnetoelectronic and Optical Properties in QFeO3 (Q = Bi, P, Sb): A First-Principles Study
Theoretical Justification of Structural, Magnetoelectronic and Optical Properties in QFeO3 (Q = Bi, P, Sb): A First-Principles Study Open
One of the primary objectives of scientific research is to create state-of-the-art multiferroic (MF) materials that exhibit interconnected properties, such as piezoelectricity, magnetoelectricity, and magnetostriction, and remain functiona…
View article: Direct and Binder-Free MXene-Assisted Cobalt Manganese Phosphate Electrode Fabrication on Carbon Cloth by Electrosynthesis for Efficient Supercapacitors
Direct and Binder-Free MXene-Assisted Cobalt Manganese Phosphate Electrode Fabrication on Carbon Cloth by Electrosynthesis for Efficient Supercapacitors Open
In this work, MXene-assisted cobalt manganese phosphate (MXene-CMP) thin films with various Co/Mn compositions were prepared on a carbon cloth (CC) substrate via an easy and efficient low-cost electrodeposition route. MXene-CMP thin films …
View article: Low-temperature enhanced OFF-state telegraph noise in defect engineered ReRAMs
Low-temperature enhanced OFF-state telegraph noise in defect engineered ReRAMs Open
The OFF-state retention characteristics of Pt/NiOx–(Ar)/NiOx–(Ar + O2)/Pt stacking resistive random access memory structures were measured as a function of temperature between 300 and 190 K. The devices show random telegraph noise effects …
View article: First-Principles Calculations to Investigate Structural, Electronic, Optical and Magnetic Properties of Pyrochlore Oxides Eu2Tm2O7 (Tm = Hf, Sn, Zr) for Energy Applications
First-Principles Calculations to Investigate Structural, Electronic, Optical and Magnetic Properties of Pyrochlore Oxides Eu2Tm2O7 (Tm = Hf, Sn, Zr) for Energy Applications Open
Three newly designed pyrochlore oxides, Eu2Tm2O7 (Tm = Hf, Sn, Zr), are analyzed for their magnetic, optical and electronic properties using ab-initio calculations within the context of density functional theory (DFT). We can refer these c…
View article: Electrostatically Robust Cofeof Nanosheet Against Chloride for Green-H2 Production in Alkaline Seawater Electrolysis
Electrostatically Robust Cofeof Nanosheet Against Chloride for Green-H2 Production in Alkaline Seawater Electrolysis Open
View article: Strong interlayer transition in a staggered gap <scp>GeSe</scp>/<scp>MoTe<sub>2</sub></scp> heterojunction diode for highly efficient visible and near‐infrared photodetection and logic inverter
Strong interlayer transition in a staggered gap <span>GeSe</span>/<span>MoTe<sub>2</sub></span> heterojunction diode for highly efficient visible and near‐infrared photodetection and logic inverter Open
Transition‐metal dichalcogenides exhibit strong light–matter interactions and unique multifunctional logic behavior. Here, the strong interlayer transition and excellent broadband photodetection of GeSe/MoTe 2 van der Waals (vdW) heterojun…
View article: A First-Principles Investigation on the Structural, Optoelectronic, and Thermoelectric Properties of Pyrochlore Oxides (La2Tm2O7 (Tm = Hf, Zr)) for Energy Applications
A First-Principles Investigation on the Structural, Optoelectronic, and Thermoelectric Properties of Pyrochlore Oxides (La2Tm2O7 (Tm = Hf, Zr)) for Energy Applications Open
A first-principles calculation based on DFT investigations on the structural, optoelectronic, and thermoelectric characteristics of the newly designed pyrochlore oxides La2Tm2O7 (Tm = Hf, Zr) is presented in this study. The main quest of t…
View article: Development of Binder-Free Three-Dimensional Honeycomb-like Porous Ternary Layered Double Hydroxide-Embedded MXene Sheets for Bi-Functional Overall Water Splitting Reactions
Development of Binder-Free Three-Dimensional Honeycomb-like Porous Ternary Layered Double Hydroxide-Embedded MXene Sheets for Bi-Functional Overall Water Splitting Reactions Open
In this study, a honeycomb-like porous-structured nickel–iron–cobalt layered double hydroxide/Ti3C2Tx (NiFeCo–LDH@MXene) composite was successfully fabricated on a three-dimensional nickel foam using a simple hydrothermal approach. Owing t…
View article: NaCl-Assisted Temperature-Dependent Controllable Growth of Large-Area MoS<sub>2</sub> Crystals Using Confined-Space CVD
NaCl-Assisted Temperature-Dependent Controllable Growth of Large-Area MoS<sub>2</sub> Crystals Using Confined-Space CVD Open
Due to its semiconducting nature, controlled growth of large-area chemical vapor deposition (CVD)-grown two-dimensional (2D) molybdenum disulfide (MoS2) has a lot of potential applications in photodetectors, sensors, and optoele…
View article: Erratum: “Density functional theory study on the fluorination reactions of silicon and silicon dioxide surfaces using different fluorine-containing molecules” [J. Vac. Sci. Technol. A 37, 021001 (2019)]
Erratum: “Density functional theory study on the fluorination reactions of silicon and silicon dioxide surfaces using different fluorine-containing molecules” [J. Vac. Sci. Technol. A 37, 021001 (2019)] Open
First Page
View article: MoO3@MoS2 Core-Shell Structured Hybrid Anode Materials for Lithium-Ion Batteries
MoO3@MoS2 Core-Shell Structured Hybrid Anode Materials for Lithium-Ion Batteries Open
We explore a phase engineering strategy to improve the electrochemical performance of transition metal sulfides (TMSs) in anode materials for lithium-ion batteries (LIBs). A one-pot hydrothermal approach has been employed to synthesize MoS…
View article: Bimetallic Cu/Fe MOF-Based Nanosheet Film via Binder-Free Drop-Casting Route: A Highly Efficient Urea-Electrolysis Catalyst
Bimetallic Cu/Fe MOF-Based Nanosheet Film via Binder-Free Drop-Casting Route: A Highly Efficient Urea-Electrolysis Catalyst Open
Developing efficient electrocatalysts for urea oxidation reaction (UOR) can be a promising alternative strategy to substitute the sluggish oxygen evolution reaction (OER), thereby producing hydrogen at a lower cell-voltage. Herein, we synt…
View article: Fullerene-free, MoTe2 atomic layer blended bulk heterojunctions for improved organic solar cell and photodetector performance
Fullerene-free, MoTe2 atomic layer blended bulk heterojunctions for improved organic solar cell and photodetector performance Open
View article: Schottky barrier height modulation and photoconductivity in a vertical graphene/ReSe2 vdW p-n heterojunction barristor
Schottky barrier height modulation and photoconductivity in a vertical graphene/ReSe2 vdW p-n heterojunction barristor Open
A 3-terminal device with a tunable Schottky barrier controls the charge transport across a vertically stacked structure named “barristor”- one composed of a graphene/rhenium diselenide (ReSe2) p-n heterojunction to exploit the advantages o…
View article: A Facile Design of Solution-Phase Based VS2 Multifunctional Electrode for Green Energy Harvesting and Storage
A Facile Design of Solution-Phase Based VS2 Multifunctional Electrode for Green Energy Harvesting and Storage Open
This work reports the fabrication of vanadium sulfide (VS2) microflower via one-step solvo-/hydro-thermal process. The impact of ethylene glycol on the VS2 morphology and crystal structure as well as the ensuing influences on electrocataly…
View article: Shedding Light on the Optoelectronic and Thermoelectric Properties of Pyrochlore Oxides (La2q2o7 (Q= Ge, Sn)) for Energy Applications: A First-Principles Investigation
Shedding Light on the Optoelectronic and Thermoelectric Properties of Pyrochlore Oxides (La2q2o7 (Q= Ge, Sn)) for Energy Applications: A First-Principles Investigation Open
View article: Optimum design for the ballistic diode based on graphene field-effect transistors
Optimum design for the ballistic diode based on graphene field-effect transistors Open
View article: Deep-Ultraviolet (DUV)-Induced Doping in Single Channel Graphene for Pn-Junction
Deep-Ultraviolet (DUV)-Induced Doping in Single Channel Graphene for Pn-Junction Open
The electronic properties of single-layer, CVD-grown graphene were modulated by deep ultraviolet (DUV) light irradiation in different radiation environments. The graphene field-effect transistors (GFETs), exposed to DUV in air and pure O2,…
View article: Highly Active Mo2C@WS2 Hybrid Electrode for Enhanced Hydrogen Evolution Reaction
Highly Active Mo2C@WS2 Hybrid Electrode for Enhanced Hydrogen Evolution Reaction Open
Transition metal dichalcogenides (TMDs) are the auspicious inexpensive electrocatalysts for the hydrogen evolution reaction (HER) which has been broadly studied owing to their remarkable enactment, however the drought of factors understand…
View article: Hierarchical Mo2C@CNT Hybrid Structure Formation for the Improved Lithium-Ion Battery Storage Performance
Hierarchical Mo2C@CNT Hybrid Structure Formation for the Improved Lithium-Ion Battery Storage Performance Open
2-D transition metal carbides (TMCs)-based anode materials offer competitive performance in lithium-ion batteries (LIBs) owing to its excellent conductivity; cheaper, flexible uses; and superior mechanical stability. However, the electroch…
View article: MoS2@Mo2C hybrid nanostructures formation as an efficient anode material for lithium-ion batteries
MoS2@Mo2C hybrid nanostructures formation as an efficient anode material for lithium-ion batteries Open
Highly conductive Mo2C networks were embedded with uniformly stacked MoS2 nanosheets via a hydrothermal reaction. The fabricated interfacial MoS2@Mo2C hybrid nanostructures were systematically ascertained by X-ray diffraction, Raman spectr…
View article: Process Steps for High Quality Si-Based Epitaxial Growth at Low Temperature via RPCVD
Process Steps for High Quality Si-Based Epitaxial Growth at Low Temperature via RPCVD Open
The key process steps for growing high-quality Si-based epitaxial films via reduced pressure chemical vapor deposition (RPCVD) are investigated herein. The quality of the epitaxial films is largely affected by the following steps in the ep…
View article: Rectifying effect in high-performance ballistic diode bridge with a unique design for thermal energy harvesting
Rectifying effect in high-performance ballistic diode bridge with a unique design for thermal energy harvesting Open
The long mean free path close to a micrometer in encapsulated graphene enabled us to rectify currents ballistically at room temperature. In this study, we introduce a ballistic rectifier that resembles a diode bridge and is based on graphe…
View article: Experimental and theoretical insights to demonstrate the hydrogen evolution activity of layered platinum dichalcogenides electrocatalysts
Experimental and theoretical insights to demonstrate the hydrogen evolution activity of layered platinum dichalcogenides electrocatalysts Open