Search Results - "KWON, Hyuksang"
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Gram‐Scale Synthesis of Cu2O Nanocubes and Subsequent Oxidation to CuO Hollow Nanostructures for Lithium‐Ion Battery Anode Materials
Published in Advanced materials (Weinheim) (16-02-2009)“…A procedure for gram‐scale synthesis of monodisperse Cu2O nanocubes by a simple polyol process is demonstrated. The nanocubes are subsequently oxidized to form…”
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3-D dumbbell-like LiNi1/3Mn1/3Co1/3O2 cathode materials assembled with nano-building blocks for lithium-ion batteries
Published in Journal of power sources (01-07-2014)“…Dumbbell-like microsphere carbonate precursors including multi-transition metal components (Ni1/3Mn1/3Co1/3CO3) assembled with nano-building blocks were…”
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3
Self-Powered Cardiac Pacemaker Enabled by Flexible Single Crystalline PMN-PT Piezoelectric Energy Harvester
Published in Advanced materials (Weinheim) (23-07-2014)“…A flexible single‐crystalline PMN‐PT piezoelectric energy harvester is demonstrated to achieve a self‐powered artificial cardiac pacemaker. The…”
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4
Interfacial-Water-Modulated Photoluminescence of Single-Layer WS2 on Mica
Published in International journal of molecular sciences (09-02-2023)“…Because of their bandgap tunability and strong light–matter interactions, two-dimensional (2D) semiconductors are considered promising candidates for…”
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5
Photo-Induced Force Microscopy by Using Quartz Tuning-Fork Sensor
Published in Sensors (Basel, Switzerland) (29-03-2019)“…We present the photo-induced force microscopy (PiFM) studies of various nano-materials by implementing a quartz tuning fork (QTF), a self-sensing sensor that…”
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Ultrathin and Flat Layer Black Phosphorus Fabricated by Reactive Oxygen and Water Rinse
Published in ACS nano (27-09-2016)“…Ultrathin black phosphorus (BP) is one of the promising two-dimensional (2D) materials for future optoelectronic devices. Its chemical instability in ambient…”
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Effects of solution temperature on the kinetic nature of passive film on Ni
Published in Electrochimica acta (2011)“…Effects of solution temperature on the kinetic nature of passive film on Ni were investigated using polarization test, Mott–Schottky analysis and…”
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Electrochemically Synthesized Sb/Sb2O3 Composites as High-Capacity Anode Materials Utilizing a Reversible Conversion Reaction for Na-Ion Batteries
Published in ACS applied materials & interfaces (12-08-2015)“…Sb/Sb2O3 composites are synthesized by a one-step electrodeposition process from an aqueous electrolytic bath containing a potassium antimony tartrate complex…”
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Fabrication of Mg–Ni–Sn alloys for fast hydrogen generation in seawater
Published in International journal of hydrogen energy (23-03-2017)“…Mg-2.7Ni-x wt.% Sn(x = 0–2) alloys were fabricated to promote hydrogen generation kinetics of Mg-2.7Ni alloy. The Sn in Mg-2.7Ni-Sn alloys exists as Mg2Sn…”
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Fabrication of Al-Ni Alloys for Fast Hydrogen Production from Hydrolysis in Alkaline Water
Published in Materials (29-11-2023)“…Hydrogen generation through the hydrolysis of aluminum alloys has attracted significant attention because it generates hydrogen directly from alkaline water…”
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Evaluation of Lateral Resolution for Confocal Raman Microscopy Using Gold Nano‐Lines Made by Electron Beam Lithography
Published in Bulletin of the Korean Chemical Society (01-01-2020)“…Assessing the instrumental resolution of confocal Raman microscopy is a key aspect in 2D or 3D imaging in various applications. An important issue in this…”
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Effects of Cr2N on the pitting corrosion of high nitrogen stainless steels
Published in Electrochimica acta (2007)“…Effects of nitrogen (N) content on the precipitation behavior of Cr2N with its relevant influences on the resistance to localized corrosion of high nitrogen…”
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Observation of passive films on Fe–20Cr–xNi (x=0, 10, 20wt.%) alloys using TEM and Cs-corrected STEM–EELS
Published in Corrosion science (01-02-2014)“…•The cross-sectional TEM samples of the alloys were prepared by DB-FIB milling.•The thickness of the passive film on each alloy was estimated to be 2.5–2.7nm…”
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Feasibility of on-board hydrogen production from hydrolysis of Al–Fe alloy for PEMFCs
Published in International journal of hydrogen energy (01-09-2011)“…The feasibility of using the hydrolysis of Al alloys in an on-board hydrogen generation system for PEMFCs is investigated. Hydrogen produced by the hydrolysis…”
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Full Surface Embedding of Gold Clusters on Silicon Nanowires for Efficient Capture and Photothermal Therapy of Circulating Tumor Cells
Published in Nano letters (14-03-2012)“…We report on rapid thermal chemical vapor deposition growth of silicon nanowires (Si NWs) that contain a high density of gold nanoclusters (Au NCs) with a…”
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Stacking Structures of Few-Layer Graphene Revealed by Phase-Sensitive Infrared Nanoscopy
Published in ACS nano (28-07-2015)“…The stacking orders in few-layer graphene (FLG) strongly influences the electronic properties of the material. To explore the stacking-specific properties of…”
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Carbon nanotubes/aluminum composite as a hydrogen source for PEMFC
Published in International journal of hydrogen energy (20-11-2014)“…Al matrix composites reinforced with 0-5 vol. % carbon nanotubes (CNTs) were fabricated by spark plasma sintering (SPS) to examine their hydrogen generation…”
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Effects of nitrogen on the passivity of Fe–20Cr alloy
Published in Corrosion science (2009)“…Influences of nitrogen on the passivity of Fe–20Cr–(0, 1.1)N alloys were examined by in situ electrochemical techniques. Nitrogen was incorporated in the form…”
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Characterization of hydrogen generation for fuel cells via borane hydrolysis using an electroless-deposited Co–P/Ni foam catalyst
Published in Journal of power sources (01-05-2010)“…The effect of an electroless-deposited Co–P/Ni foam catalyst on H 2 generation kinetics in ammonia borane (NH 3BH 3) solution and the cyclic behaviour…”
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