Sejoon Lee
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View article: Graphitic Carbon Nitride-Decorated Cobalt Diselenide Composites for Highly Efficient Hydrogen Evolution Reaction
Graphitic Carbon Nitride-Decorated Cobalt Diselenide Composites for Highly Efficient Hydrogen Evolution Reaction Open
Transition-metal dichalcogenides have emerged as promising non-noble-metal electrocatalysts for efficient hydrogen production through the hydrogen evolution reaction (HER). In this work, we fabricated the graphitic carbon nitride-decorated…
View article: Highly stable memory performance of PMMA-ZnO NPs hybrid nanocomposite-based ReRAM
Highly stable memory performance of PMMA-ZnO NPs hybrid nanocomposite-based ReRAM Open
Two-terminal memories with a metal-insulator-metal (MIM) sandwich architecture are promising candidates for the next generation of non-volatile memory technologies. Nanostructured hybrid nanocomposites have gained significant interest due …
View article: Magnetosome-Based Immunosensors for Foodborne Pathogen Detection
Magnetosome-Based Immunosensors for Foodborne Pathogen Detection Open
Foodborne illnesses remain a global challenge, requiring rapid and sensitive detection platforms. We developed a magnetosome-based electrochemical immunosensor for lipopolysaccharide (LPS) antigens from Escherichia coli and Salmonella typh…
View article: Boosted Hydrogen Evolution Catalysis Using Biomass-Derived Mesoporous Carbon Nanosponges
Boosted Hydrogen Evolution Catalysis Using Biomass-Derived Mesoporous Carbon Nanosponges Open
Carbon-based metal-free catalysts, particularly those such as biomass-derived mesoporous activated carbon (AC) nanostructures, hold great promises for cost-effective and sustainable electrocatalysis for enhancing hydrogen evolution reactio…
View article: Design of CoMoCe-Oxide Nanostructured Composites as Robust Bifunctional Electrocatalyst for Water Electrolysis Overall Efficiency
Design of CoMoCe-Oxide Nanostructured Composites as Robust Bifunctional Electrocatalyst for Water Electrolysis Overall Efficiency Open
The development of ternary metal oxide electrocatalysts with optimized electronic structures and surface morphologies has emerged as one of the effective strategies to improve the performance of electrochemical water splitting. In this wor…
View article: Highly Efficient Electrocatalyst of 2D–2D gC3N4–MoS2 Composites for Enhanced Overall Water Electrolysis
Highly Efficient Electrocatalyst of 2D–2D gC3N4–MoS2 Composites for Enhanced Overall Water Electrolysis Open
For future clean and renewable energy technology, designing highly efficient and robust electrocatalysts is of great importance. Particularly, creating efficient bifunctional electrocatalysts capable of effectively catalyzing both hydrogen…
View article: MXene/NiCo2S4 2D/3D Heterostructure as a High-Performance Pt-Free Counter Electrode for DSSCs
MXene/NiCo2S4 2D/3D Heterostructure as a High-Performance Pt-Free Counter Electrode for DSSCs Open
This study represents a novel 2D/3D heterostructure of MXene/NiCo2S4 composites, which were used for the first time as a high-performance counter-electrode material for Pt-free dye-sensitized solar cells (DSSCs). The unique morphology of 2…
View article: Rapid Microwave-Assisted Synthesis of CuSe Nanoparticles for High-Sensitivity Serotonin Biosensing in Serum
Rapid Microwave-Assisted Synthesis of CuSe Nanoparticles for High-Sensitivity Serotonin Biosensing in Serum Open
In this study, a simple and effective approach was developed for the quantitative detection of serotonin. Hexagonal copper selenide nanostructures (CuSe) were employed to modify a disposable screen-printed carbon electrode (SPCE), and thei…
View article: Discrepancy between Genetically Predicted and Observed Alcohol Intake and Its Impact on Gastric Cancer Susceptibility
Discrepancy between Genetically Predicted and Observed Alcohol Intake and Its Impact on Gastric Cancer Susceptibility Open
Korean drinkers with higher PRS-GC who consume alcohol more than genetically predicted levels are susceptible to GC. PRS-GC and PRS-Alcohol may be beneficial for assessing the impact of alcohol consumption on GC risk in Koreans.
View article: Enhanced Hydrogen Evolution Reaction Using Biomass-Activated Carbon Nanosheets Derived from Eucalyptus Leaves
Enhanced Hydrogen Evolution Reaction Using Biomass-Activated Carbon Nanosheets Derived from Eucalyptus Leaves Open
Carbonaceous-based metal-free catalysts are promising aspirants for effective electrocatalytic hydrogen generation. Herein, we synthesized mesoporous-activated carbon nanosheets (ELC) from biomass eucalyptus leaves through KOH activation. …
View article: Cuttlefish-Bone-Derived Hybrid Composite Scaffolds for Bone Tissue Engineering
Cuttlefish-Bone-Derived Hybrid Composite Scaffolds for Bone Tissue Engineering Open
Current investigations into the fabrication of innovative biomaterials that stimulate cartilage development result from increasing interest due to emerging bone defects. In particular, the investigation of biomaterials for musculoskeletal …
View article: Recent advancements in metal oxide‐based hybrid nanocomposite resistive random‐access memories for artificial intelligence
Recent advancements in metal oxide‐based hybrid nanocomposite resistive random‐access memories for artificial intelligence Open
Artificial intelligence (AI) advancements are driving the need for highly parallel and energy‐efficient computing analogous to the human brain and visual system. Inspired by the human brain, resistive random‐access memories (ReRAMs) have r…
View article: High-Performance Memristive Synapse Based on Space-Charge-Limited Conduction in LiNbO3
High-Performance Memristive Synapse Based on Space-Charge-Limited Conduction in LiNbO3 Open
Advancing neuromorphic computing technology requires the development of versatile synaptic devices. In this study, we fabricated a high-performance Al/LiNbO3/Pt memristive synapse and emulated various synaptic functions using its primary k…
View article: Recent Advances and Remaining Challenges in Perovskite Solar Cell Components for Innovative Photovoltaics
Recent Advances and Remaining Challenges in Perovskite Solar Cell Components for Innovative Photovoltaics Open
This article reviews the latest advancements in perovskite solar cell (PSC) components for innovative photovoltaic applications. Perovskite materials have emerged as promising candidates for next-generation solar cells due to their excepti…
View article: Association of TP53 Mutation Status and Sex with Clinical Outcome in Non–Small Cell Lung Cancer Treated with Immune Checkpoint Inhibitors: A Retrospective Cohort Study
Association of TP53 Mutation Status and Sex with Clinical Outcome in Non–Small Cell Lung Cancer Treated with Immune Checkpoint Inhibitors: A Retrospective Cohort Study Open
Purpose Some studies suggest that TP53 mutations are associated with the response to immune checkpoint inhibitors (ICI) in patients with non–small cell lung cancer (NSCLC) and also contribute to sex disparities in several cancers. Thus, we…
View article: Patient-Derived Organoids Recapitulate Pathological Intrinsic and Phenotypic Features of Fibrous Dysplasia
Patient-Derived Organoids Recapitulate Pathological Intrinsic and Phenotypic Features of Fibrous Dysplasia Open
Fibrous dysplasia (FD) is a rare bone disorder characterized by the replacement of normal bone with benign fibro-osseous tissue. Developments in our understanding of the pathophysiology and treatment options are impeded by the lack of suit…
View article: High-Performance Memristive Synapse Composed of Ferroelectric ZnVO-Based Schottky Junction
High-Performance Memristive Synapse Composed of Ferroelectric ZnVO-Based Schottky Junction Open
In pursuit of realizing neuromorphic computing devices, we demonstrated the high-performance synaptic functions on the top-to-bottom Au/ZnVO/Pt two-terminal ferroelectric Schottky junction (FSJ) device architecture. The active layer of ZnV…
View article: Substantial Electrocatalytic Oxygen Evolution Performances of Activated Carbon‐Decorated Vanadium Pentoxide Nanocomposites
Substantial Electrocatalytic Oxygen Evolution Performances of Activated Carbon‐Decorated Vanadium Pentoxide Nanocomposites Open
Developing the ecofriendly and high‐fidelity electrocatalysts for the oxygen evolution reaction (OER) is essential to foster effective production of environmentally friendly hydrogen. Herein, we fabricated the highly efficient OER electroc…
View article: Excellent Bifunctional Water Electrolysis Activities of <i>α</i>‐MoO<sub>3</sub>/AC Nanocomposites
Excellent Bifunctional Water Electrolysis Activities of <i>α</i>‐MoO<sub>3</sub>/AC Nanocomposites Open
Electrocatalytic water splitting is a cost‐effective and environment‐friendly technique for producing oxygen and hydrogen through the oxygen/hydrogen evolution reaction (OER/HER). Developing the highly active and stable electrocatalyst, pa…
View article: Superb Bifunctional Water Electrolysis Activities of Carbon Nanotube-Decorated Lanthanum Hydroxide Nanocomposites
Superb Bifunctional Water Electrolysis Activities of Carbon Nanotube-Decorated Lanthanum Hydroxide Nanocomposites Open
For highly efficient hydrogen production from electrocatalytic water electrolysis, developing a high-fidelity electrocatalyst is pivotal. Herein, we demonstrated the excellent water-splitting performances of the carbon allotrope-decorated …
View article: Transport Characteristics of Silicon Multi-Quantum-Dot Transistor Analyzed by Means of Experimental Parametrization Based on Single-Hole Tunneling Model
Transport Characteristics of Silicon Multi-Quantum-Dot Transistor Analyzed by Means of Experimental Parametrization Based on Single-Hole Tunneling Model Open
The transport characteristics of a gate-all-around Si multiple-quantum-dot (QD) transistor were studied by means of experimental parametrization using theoretical models. The device was fabricated by using the e-beam lithographically patte…
View article: Enhanced Hydrogen Evolution Reaction Performances of Ultrathin CuBi2O4 Nanoflakes
Enhanced Hydrogen Evolution Reaction Performances of Ultrathin CuBi2O4 Nanoflakes Open
Semiconductor catalysts play a potential role for efficient electrocatalytic hydrogen production. In this work, copper bismuth oxide (CuBi2O4) nanostructures were synthesized via the coprecipitation method using two different Cu precursors…
View article: In Situ Facile Synthesis of Low-Cost Biogenic Eggshell-Derived Nanohydroxyapatite/Chitosan Biocomposites for Orthopedic Implant Applications
In Situ Facile Synthesis of Low-Cost Biogenic Eggshell-Derived Nanohydroxyapatite/Chitosan Biocomposites for Orthopedic Implant Applications Open
In situ facile synthesis and the characterization of nanohydroxyapatite/chitosan (nHAP/CS) biocomposites were investigated for examining their potential applications in orthopedic implant technology. Firstly, the bare nHAP, europium-doped …
View article: Reduced Electron Temperature in Silicon Multi-Quantum-Dot Single-Electron Tunneling Devices
Reduced Electron Temperature in Silicon Multi-Quantum-Dot Single-Electron Tunneling Devices Open
The high-performance room-temperature-operating Si single-electron transistors (SETs) were devised in the form of the multiple quantum-dot (MQD) multiple tunnel junction (MTJ) system. The key device architecture of the Si MQD MTJ system wa…
View article: Excellent Electrocatalytic Hydrogen Evolution Reaction Performances of Partially Graphitized Activated-Carbon Nanobundles Derived from Biomass Human Hair Wastes
Excellent Electrocatalytic Hydrogen Evolution Reaction Performances of Partially Graphitized Activated-Carbon Nanobundles Derived from Biomass Human Hair Wastes Open
Carbonaceous materials play a vital role as an appropriate catalyst for electrocatalytic hydrogen production. Aiming at realizing the highly efficient hydrogen evolution reaction (HER), the partially graphitized activated-carbon nanobundle…