Search Results - "Jung, Hwaebong"

Enhanced hydrogen storage properties of Pd/Ti/Mg/Ti multilayer films using the catalytic effects of Pd by Jung, Hwaebong, Cho, Sungmee, Lee, Wooyoung

“…Here, we report the microstructural and hydrogen storage properties of a 40-layer film of Pd (x nm)/Ti (40 nm)/Mg (360 nm)/Ti (40 nm) (x = 0, 5, 10, and 20)…”
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Highly sensitive and selective isoprene sensing performance of ZnO quantum dots for a breath analyzer by Park, Yunji, Yoo, Ran, Park, Seung ryull, Lee, Jun Ho, Jung, Hwaebong, Lee, Hyun-Sook, Lee, Wooyoung

“…•We report the size effect on the sensing properties of ZnO for isoprene detection.•The ZnO nanoparticles and quantum dots were prepared by a wet-chemical…”
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Highly Sensitive and Selective Detection of Hydrogen Using Pd-Coated SnO2 Nanorod Arrays for Breath-Analyzer Applications by Jung, Hwaebong, Hwang, Junho, Choe, Yong-Sahm, Lee, Hyun-Sook, Lee, Wooyoung

“…We report a breath hydrogen analyzer based on Pd-coated SnO2 nanorods (Pd-SnO2 NRs) sensor integrated into a miniaturized gas chromatography (GC) column. The…”
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Effects of Ti interlayers on microstructures and hydrogen storage capacity in Mg/Pd multilayer thin films by Jung, Hwaebong, Yuh, Junhan, Cho, Sungmee, Lee, Wooyoung

“…•Hydrogen storage capacities of 60 multilayer Mg/Pd and Ti/Mg/Ti/Pd films fabricated by an UHV sputter.•The hydrogen absorption capacity of the Ti/Mg/Ti/Pd…”
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Influence of Cooling Condition of Casted Strips on Magnetic Properties of Nd–Fe–B Sintered Magnets by Jung, Hwaebong, Kim, Sumin, Moon, Hongjae, Oh, Yoon S., Lee, Young-Joo, Lee, Hyun-Sook, Lee, Wooyoung

“…We investigated the additional (secondary) cooling effect of casted strips on the magnetic properties of Nd–Fe–B sintered magnets. The Nd–Fe–B sintered magnets…”
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A catalytic effect on hydrogen absorption kinetics in Pd/Ti/Mg/Ti multilayer thin films by Jung, Hwaebong, Cho, Sungmee, Lee, Wooyoung

“…•Hydrogen storage capacities of 60 layer films of Pd/Ti/Mg/Ti deposited by an UHV sputter.•The hydrogen absorption capacity of the…”
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Magnetic properties of large-scaled MnBi bulk magnets by Kim, Sumin, Moon, Hongjae, Jung, Hwaebong, Kim, Su-Min, Lee, Hyun-Sook, Choi-Yim, Haein, Lee, Wooyoung

“…We investigated the magnetic properties of large, compacted, sintered MnBi bulk magnets with dimensions of 20.3 × 15.3 × 10.3 mm3. To obtain a high content of…”
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Acetone-sensing properties of doped ZnO nanoparticles for breath-analyzer applications by Yoo, Ran, Park, Yunji, Jung, Hwaebong, Rim, Hyun Jun, Cho, Sungmee, Lee, Hyun-Sook, Lee, Wooyoung

“…We report the effects of various dopants (Al, Co, and Cu) on the acetone-sensing properties of ZnO nanoparticles (NPs) for breath-analyzer applications. Among…”
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Selective C2H2 detection with high sensitivity using SnO2 nanorod based gas sensors integrated with a gas chromatography by Lee, Jun Ho, Park, Min Sun, Jung, Hwaebong, Choe, Yong-Sahm, Kim, Wonkyung, Song, Young Geun, Kang, Chong-Yun, Lee, Hyun-Sook, Lee, Wooyoung

“…•We developed a new acetylene analyzer for transformer oils.•A sensor based on Pd-coated SnO2 nanorods was utilized in a miniaturized gas chromatography.•The…”
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Selective detection of sub-1-ppb level isoprene using Pd-coated In2O3 thin film integrated in portable gas chromatography by Jung, Hwaebong, Min, Hyegi, Hwang, Junho, Kim, Jihee, Choe, Yong-Sahm, Lee, Hyun-Sook, Lee, Wooyoung

“…[Display omitted] •We report on a breath-isoprene analyzer based on a gas chromatography column with catalyst-coated In2O3 thin films.•We found that Pd-coated…”
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Highly selective real-time detection of breath acetone by using ZnO quantum dots with a miniaturized gas chromatographic column by Jung, Hwaebong, Cho, Wonhee, Yoo, Ran, Lee, Hyun-sook, Choe, Yong-Sahm, Jeon, Justin Y., Lee, Wooyoung

“…•We developed a portable breath acetone analyzer with high sensitivity and selectivity.•The analyzer based on a sensor integrated with ZnO quantum dots and a…”
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Real-time selective detection of 2-chloroethyl ethyl sulfide (2-CEES) using an Al-doped ZnO quantum dot sensor coupled with a packed column for gas chromatography by Lee, Jun Ho, Jung, Hwaebong, Yoo, Ran, Park, Yunji, Lee, Hyun-sook, Choe, Yong-Sahm, Lee, Wooyoung

“…•We developed a new chemical warfare agent simulant analyzer for 2-CEES detection.•A sensor based on Al-doped ZnO quantum dots was adopted in a miniaturized…”
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Doping effects of ZnO quantum dots on the sensitive and selective detection of acetylene for dissolved-gas analysis applications of transformer oil by Park, Min Sun, Lee, Jun Ho, Park, Yunji, Yoo, Ran, Park, Seungryol, Jung, Hwaebong, Kim, Wonkyung, Lee, Hyun-Sook, Lee, Wooyoung

“…•We report the doping effect on the sensing properties of ZnO quantum dots for acetylene.•Doping of ZnO quantum dots modified oxygen vacancies and optical band…”
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Layer-number dependence of the magnetic properties of MnBi films by Moon, Hongjae, Kim, Sumin, Jung, Hwaebong, Lee, Hyun-Sook, Lee, Wooyoung

“…[Display omitted] •MnBi thin films were fabricated using multilayer deposition and in situ annealing.•The magnetic properties of the MnBi films depended on the…”
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Fabrication of reinforced α+β titanium alloys by infiltration of Al into porous Ti-V compacts by Kim, Sumin, Jung, Hwaebong, Rim, Hyun Jun, Lee, Hyun-Sook, Lee, Wooyoung

“…We present an efficient process to fabricate reinforced titanium α + β alloys. Porous Ti compacts containing vanadium were prepared by a metal injection…”
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Untethered Soft Robotics with Fully Integrated Wireless Sensing and Actuating Systems for Somatosensory and Respiratory Functions by Oh, Byungkook, Park, Young-Geun, Jung, Hwaebong, Ji, Sangyoon, Cheong, Woon Hyung, Cheon, Jinwoo, Lee, Wooyoung, Park, Jang-Ung

“…There has been a great deal of interest in designing soft robots that can mimic a human system with haptic and proprioceptive functions. There is now a strong…”
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Novel hydrogen gas sensing by palladium electrode on dielectric capacitor coupled with an amorphous InGaZnO thin-film transistor by Lee, Young Tack, Lee, Junyeong, Hwang, Hyuncheol, Jung, Hwaebong, Lee, Wooyoung, Bae, Heesun, Im, Seongil

“…Palladium (Pd) is well known for its capability to selectively detect hydrogen (H2) gas, where the detection process involves absorbing hydrogen gas molecules…”
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Ultra-sensitive, One-time Use Hydrogen Sensors Based on Sub-10 nm Nanogaps on an Elastomeric Substrate by Jung, Hwaebong, Jang, Byungjin, Kim, Wonkyung, Noh, Jin-Seo, Lee, Wooyoung

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Highly Sensitive and Selective Detection of Hydrogen Using Pd-Coated SnO 2 Nanorod Arrays for Breath-Analyzer Applications by Jung, Hwaebong, Hwang, Junho, Choe, Yong-Sahm, Lee, Hyun-Sook, Lee, Wooyoung

“…We report a breath hydrogen analyzer based on Pd-coated SnO nanorods (Pd-SnO NRs) sensor integrated into a miniaturized gas chromatography (GC) column. The…”
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Cracked palladium films on an elastomeric substrate for use as hydrogen sensors by Lee, Junmin, Noh, Jin-Seo, Lee, Seung Hyun, Song, Byeongcheol, Jung, Hwaebong, Kim, Wonkyung, Lee, Wooyoung

“…We have investigated a lithography-free technique for On-Off type hydrogen sensors using a cracked palladium (Pd) film on an elastomeric substrate. Cracks were…”
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