Search Results - "Hwang, Jeongwoon"
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1
Enhancing infrared emissivity of thin films through multilayer configurations
Published in Journal of the Korean Physical Society (01-12-2023)“…We computationally investigate the infrared (IR) emissivity of single, double, and triple-layer thin films for efficient heat dissipation in extreme…”
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2
ZnO composite nanolayer with mobility edge quantization for multi-value logic transistors
Published in Nature communications (30-04-2019)“…A quantum confined transport based on a zinc oxide composite nanolayer that has conducting states with mobility edge quantization is proposed and was applied…”
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3
Progress on first-principles-based materials design for hydrogen storage
Published in Proceedings of the National Academy of Sciences - PNAS (04-12-2012)“…This article briefly summarizes the research activities in the field of hydrogen storage in sorbent materials and reports our recent works and future…”
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4
Giant renormalization of dopant impurity levels in 2D semiconductor MoS2
Published in Scientific reports (18-03-2020)“…Substitutional doping in 2D semiconductor MoS 2 was investigated by charge transition level (CTL) calculations for Nitrogen group (N, P, As, Sb) and Halogen…”
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5
Phonon softening and failure of graphene under tensile strain
Published in Solid state communications (01-12-2014)“…Phonon softening of graphene under tensile strain is investigated based on ab initio density functional theory calculations. We demonstrate that, over a wide…”
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6
Energy Bandgap and Edge States in an Epitaxially Grown Graphene/h-BN Heterostructure
Published in Scientific reports (09-08-2016)“…Securing a semiconducting bandgap is essential for applying graphene layers in switching devices. Theoretical studies have suggested a created bulk bandgap in…”
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7
Computational Evaluation of Amorphous Carbon Coating for Durable Silicon Anodes for Lithium-Ion Batteries
Published in Nanomaterials (Basel, Switzerland) (13-10-2015)“…We investigate the structural, mechanical, and electronic properties of graphite-like amorphous carbon coating on bulky silicon to examine whether it can…”
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8
2D MoS2 as an efficient protective layer for lithium metal anodes in high-performance Li–S batteries
Published in Nature nanotechnology (01-04-2018)“…Among the candidates to replace Li-ion batteries, Li–S cells are an attractive option as their energy density is about five times higher (~2,600 Wh kg −1 )…”
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9
Utilizing soft labels of Convolutional Neural networks for predicting quantum transmission probability: An application to high-dimensional data prediction
Published in Computational materials science (05-01-2024)“…[Display omitted] We propose a method that utilizes Convolutional Neural Network (CNN) models for predicting continuous physical observables. While CNN models…”
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10
Quantum transport in a chain of quantum dots with inhomogeneous size distribution and manifestation of 1D Anderson localization
Published in Scientific reports (07-10-2020)“…The effect of inhomogeneous quantum dot (QD) size distribution on the electronic transport of one-dimensional (1D) QD chains (QDCs) is theoretically…”
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11
Room-temperature hydrogen storage via two-dimensional potential well in mesoporous graphene oxide
Published in Nano energy (01-09-2016)“…Hydrogen is an excellent energy carrier free of carbon dioxide emission, but safe and efficient storage of hydrogen has been a bottleneck for the commercial…”
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12
Band Structure Engineering of Layered WSe2 via One-Step Chemical Functionalization
Published in ACS nano (23-07-2019)“…Chemical functionalization is demonstrated to enhance the p-type electrical performance of two-dimensional (2D) layered tungsten diselenide (WSe2) field-effect…”
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13
Publisher Correction: 2D MoS2 as an efficient protective layer for lithium metal anodes in high-performance Li–S batteries
Published in Nature nanotechnology (01-06-2018)“…In the version of this Article originally published, a technical error in typesetting led to the traces in Fig. 3a being trimmed and made to overlap. The…”
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14
Theoretical study on the hydrogen storage mechanism of the Li–Mg–N–H system
Published in International journal of hydrogen energy (19-10-2016)“…The gas-phase reaction mechanism of magnesium amide (Mg(NH2)2) and lithium hydride (LiH) to produce H2 is theoretically investigated using ab initio electronic…”
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15
Bandgap Tuned WS 2 Thin‐Film Photodetector by Strain Gradient in van der Waals Effective Homojunctions
Published in Advanced optical materials (01-11-2021)“…Abstract Van der Waals (vdW) heterostructures (or heterojunctions) are formed by stacking two different 2D materials (e.g., graphene, h‐BN, or transition metal…”
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16
Bandgap Tuned WS2 Thin‐Film Photodetector by Strain Gradient in van der Waals Effective Homojunctions
Published in Advanced optical materials (01-11-2021)“…Van der Waals (vdW) heterostructures (or heterojunctions) are formed by stacking two different 2D materials (e.g., graphene, h‐BN, or transition metal…”
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17
Band Structure Engineering of Layered WSe 2 via One-Step Chemical Functionalization
Published in ACS nano (23-07-2019)“…Chemical functionalization is demonstrated to enhance the p-type electrical performance of two-dimensional (2D) layered tungsten diselenide (WSe ) field-effect…”
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Journal Article -
18
Threshold Voltage Modulation of a Graphene–ZnO Barristor Using a Polymer Doping Process
Published in Advanced electronic materials (01-07-2019)“…A method to modulate the threshold voltage of a graphene–ZnO barristor is investigated. Two types of polymers, polyethyleneimine (as an n‐type dopant) and poly…”
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19
Giant renormalization of dopant impurity levels in 2D semiconductor MoS 2
Published in Scientific reports (18-03-2020)“…Substitutional doping in 2D semiconductor MoS was investigated by charge transition level (CTL) calculations for Nitrogen group (N, P, As, Sb) and Halogen…”
Get full text
Journal Article -
20
Publisher Correction: 2D MoS 2 as an efficient protective layer for lithium metal anodes in high-performance Li-S batteries
Published in Nature nanotechnology (01-06-2018)“…In the version of this Article originally published, a technical error in typesetting led to the traces in Fig. 3a being trimmed and made to overlap. The…”
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