Search Results - "Choa, Yong‐Ho"

All-printed nanomembrane wireless bioelectronics using a biocompatible solderable graphene for multimodal human-machine interfaces by Kwon, Young-Tae, Kim, Yun-Soung, Kwon, Shinjae, Mahmood, Musa, Lim, Hyo-Ryoung, Park, Si-Woo, Kang, Sung-Oong, Choi, Jeongmoon J., Herbert, Robert, Jang, Young C., Choa, Yong-Ho, Yeo, Woon-Hong

“…Recent advances in nanomaterials and nano-microfabrication have enabled the development of flexible wearable electronics. However, existing manufacturing…”
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High‐Performance, Transparent Thin Film Hydrogen Gas Sensor Using 2D Electron Gas at Interface of Oxide Thin Film Heterostructure Grown by Atomic Layer Deposition by Kim, Sung Min, Kim, Hye Ju, Jung, Hae Jun, Park, Ji‐Yong, Seok, Tae Jun, Choa, Yong‐Ho, Park, Tae Joo, Lee, Sang Woon

“…A high‐performance, transparent, and extremely thin (<15 nm) hydrogen (H2) gas sensor is developed using 2D electron gas (2DEG) at the interface of an…”
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Design of highly porous SnO2-CuO nanotubes for enhancing H2S gas sensor performance by Park, Kee-Ryung, Cho, Hong-Baek, Lee, Jimin, Song, Yoseb, Kim, Woo-Byoung, Choa, Yong-Ho

“…[Display omitted] •Highly porous SnO2-CuO nanocomposite hollow nanofibers were synthesized for use as a high-performance H2S gas sensor.•SnO2-CuO nanotubes…”
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Preparation of h‐BN microspheres for nanocomposites with high through‐plane thermal conductivity by Mun, Hyung Jin, Park, Ji Young, Lim, Minseob, Cho, Hong‐Baek, Choa, Yong‐Ho

“…In recent times, electronics have been increasingly minimized, and hence, heat dissipation has become essential. Owing to its high thermal conductivity and…”
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ppb‐Level ethanol gas sensor of porous anodic aluminum oxide at room temperature by Park, Ji Young, Yi, Jae‐Ho, Choa, Yong‐Ho

“…Excessive ethanol in breath can be an indicator of alcoholism and a biomarker of liver disease. Herein, we present a novel porous aluminum anodic oxide…”
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One-step synthesis of black TiO2-x microspheres by ultrasonic spray pyrolysis process and their visible-light-driven photocatalytic activities by Ji, Myeongjun, Choa, Yong-Ho, Lee, Young-In

“…[Display omitted] •A simple and versatile one-step process for black TiO2-x microspheres is demonstrated.•The process is based on an ultrasonic spray pyrolysis…”
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Ultrahigh Conductivity and Superior Interfacial Adhesion of a Nanostructured, Photonic-Sintered Copper Membrane for Printed Flexible Hybrid Electronics by Kwon, Young-Tae, Kim, Yun-Soung, Lee, Yongkuk, Kwon, Shinjae, Lim, Minseob, Song, Yoseb, Choa, Yong-Ho, Yeo, Woon-Hong

“…Inkjet-printed electronics using metal particles typically lack electrical conductivity and interfacial adhesion with an underlying substrate. To address the…”
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Hydrovoltaic electricity generator using a hierarchical NiFe LDH-coated CuO nanowire mesh device by Park, Ji Young, Kwak, Yeonsu, Lee, Ji-Eun, Kim, Young-Deuk, Lee, Seung-Hwan, Jeong, Da-Woon, Kim, Bum-Sung, Choa, Yong-Ho

“…•Novel electricity generator using NiFe LDHs on CuO NWs enhances capillary pressure.•CuO NWs-NiFe LDHs excel in generating 0.039 kJ electricity from 200 µL…”
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Synthesis and optimization of Fe2O3 nanofibers for chromate adsorption from contaminated water sources by Nalbandian, Michael J., Zhang, Miluo, Sanchez, Joel, Choa, Yong-Ho, Nam, Jin, Cwiertny, David M., Myung, Nosang V.

“…In this work, α-Fe2O3 nanofibers were synthesized via electrospinning and characterized to observe optimal morphological and dimensional properties towards…”
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Near theoretical ultra-high magnetic performance of rare-earth nanomagnets via the synergetic combination of calcium-reduction and chemoselective dissolution by Lee, Jimin, Hwang, Tae-Yeon, Cho, Hong-Baek, Kim, Jongryoul, Choa, Yong-Ho

“…Rare earth permanent magnets with superior magnetic performance have been generally synthesized through many chemical methods incorporating calcium thermal…”
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Full densification of inkjet-printed copper conductive tracks on a flexible substrate utilizing a hydrogen plasma sintering by Kwon, Young-Tae, Lee, Young-In, Kim, Seil, Lee, Kun-Jae, Choa, Yong-Ho

“…[Display omitted] •Hydrogen thermally- and plasma- treatments are applied to reduce and sinter the inkjet-printed copper patterns at low temperature.•Plasma…”
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Exchange-Coupling Interaction in Zero- and One-Dimensional Sm2Co17/FeCo Core–Shell Nanomagnets by Lee, Jimin, Kim, Jiwon, Kim, Danbi, Lee, Gyutae, Oh, Yeong-Been, Hwang, Tae-Yeon, Lim, Jae-Hong, Cho, Hong-Baek, Kim, Jongryoul, Choa, Yong-Ho

“…Rare-earth-based core–shell spring nanomagnets have been intensively studied in the permanent magnet industry. However, the inherent agglomeration…”
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Cost-effective moisture-induced electrical power generators for sustainable electrodialysis desalination by Lee, Seung-Hwan, Kim, Jae-Yup, Kim, Joonhyeon, Yun, Jeungjai, Youm, Jiyoon, Kwon, Yongbum, Kim, Min-Su, Kim, Bum Sung, Choa, Yong-Ho, Cho, Inhee, Kwak, Rhokyun, Jeong, Da-Woon

“…To establish a sustainable method for desalination, it is necessary to explore and use renewable energy sources that are cost-effective and unaffected by…”
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Decorating surface charge of graphite nanoplate using an electrostatic coupling agent for 3‐dimensional polymer nanocomposite by Ryu, Seung Han, Kim, Seil, Kwon, Young‐Tae, Park, Young Ki, Kang, Sung‐Oong, Cho, Hong‐Baek, Choa, Yong‐Ho

“…ABSTRACT Here, we report a facile approach to electrostatically couple the surface charges of graphite nanoplate (GNP) fillers and poly(methyl methacrylate)…”
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High-performance rare-earth hard magnetic nanoparticles via the calciothermic reduction and chemoselective dissolution by Yun, Saemee, Koo, Kangmo, Lee, Jimin, Park, Ji Young, Jang, Byungkwon, Han, BoKyeong, Choa, Yong-Ho

“…[Display omitted] •Nano-sized Nd–Fe–B was synthesized by calciothermic reduction. To address the compromise of the magnetic properties by calcium by-products,…”
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The effect of polymer particle size on three-dimensional percolation in core-shell networks of PMMA/MWCNTs nanocomposites: Properties and mathematical percolation model by Ryu, Seung Han, Cho, Hong-Baek, Kim, Seil, Kwon, Young-Tae, Lee, Jimin, Park, Kee-Ryung, Choa, Yong-Ho

“…Segregated highly conductive percolation networks in nanocomposites consisting of a polymethyl methacrylate (PMMA) core and multi-walled carbon nanotube…”
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Selenide effect for oxidation stability of the organic solvent-free copper sulfide Nano-particles and its organic photodiode application by Jang, Woongsik, Kwon, Young-Tae, Lim, Hyo-Ryoung, Choa, Yong-Ho, Wang, Dong Hwan

“…The development of copper chalcogenide nanomaterials has shown a potential for advanced energy application, because copper chalcogenide are p-type…”
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Enhancement of electroconductivity of polyaniline/graphene oxide nanocomposites through in situ emulsion polymerization by Imran, Syed Muhammad, Kim, YouNa, Shao, Godlisten N., Hussain, Manwar, Choa, Yong-ho, Kim, Hee Taik

“…The present study introduces a systematic approach to disperse graphene oxide (GO) during emulsion polymerization (EP) of Polyaniline (PANI) to form…”
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Microstructure Evolution in Plastic Deformed Bismuth Telluride for the Enhancement of Thermoelectric Properties by Shen, Haishan, Kim, In-Yea, Lim, Jea-Hong, Cho, Hong-Baek, Choa, Yong-Ho

“…Thermoelectric generators are solid-state energy-converting devices that are promising alternative energy sources. However, during the fabrication of these…”
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In situ exfoliation and modification of graphite foil in supercapacitor devices: a facile strategy to fabricate high-performance supercapacitors by Jang, Byungkwon, Kim, Han, Park, Si-Woo, Lim, Minseob, Lee, Jimin, Go, Gwang-Myeong, Choa, Yong-Ho

“…Graphite foils (GFs) are emerging as a new class of electrodes in supercapacitors (SCs) based on their light weight, and high electrical conductivity, although…”
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