Search Results - "Pyun, Kyung Rok"

Switchable radiative cooling and solar heating for sustainable thermal management by Yoo, Myung Jin, Pyun, Kyung Rok, Jung, Yeongju, Lee, Minjae, Lee, Jinwoo, Ko, Seung Hwan

“…Radiative thermal management technologies that utilize thermal radiation from nano/microstructure for cooling and heating have gained significant attention in…”
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Photonic structures in radiative cooling by Lee, Minjae, Kim, Gwansik, Jung, Yeongju, Pyun, Kyung Rok, Lee, Jinwoo, Kim, Byung-Wook, Ko, Seung Hwan

“…Radiative cooling is a passive cooling technology without any energy consumption, compared to conventional cooling technologies that require power sources and…”
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Stretchable Skin‐Like Cooling/Heating Device for Reconstruction of Artificial Thermal Sensation in Virtual Reality by Lee, Jinwoo, Sul, Heayoun, Lee, Wonha, Pyun, Kyung Rok, Ha, Inho, Kim, Dongkwan, Park, Hyojoon, Eom, Hyeonjin, Yoon, Yeosang, Jung, Jinwook, Lee, Dongjun, Ko, Seung Hwan

“…Along with visual and tactile sensations, thermal sensation by temperature feeling on the skin can provide rich physical information on the environment and…”
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Boosted thermal conductance of polycrystalline graphene by spin-coated silver nanowires by Lee, Woorim, Kihm, Kenneth David, Lee, Woomin, Won, Phillip, Han, Seonggeun, Lim, Gyumin, Pyun, Kyung Rok, Ko, Seung Hwan

“…•CVD synthesized graphene composites with spin-coated silver nanowires (AgNWs).•Raman thermometry to measure the thermal sheet conductance GS of the…”
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Enhanced Thermoelectric Conversion Efficiency of CVD Graphene with Reduced Grain Sizes by Lim, Gyumin, Kihm, Kenneth David, Kim, Hong Goo, Lee, Woorim, Lee, Woomin, Pyun, Kyung Rok, Cheon, Sosan, Lee, Phillip, Min, Jin Young, Ko, Seung Hwan

“…The grain size of CVD (Chemical Vapor Deposition) graphene was controlled by changing the precursor gas flow rates, operation temperature, and chamber…”
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Transparent Electronics for Wearable Electronics Application by Won, Daeyeon, Bang, Junhyuk, Choi, Seok Hwan, Pyun, Kyung Rok, Jeong, Seongmin, Lee, Youngseok, Ko, Seung Hwan

“…Recent advancements in wearable electronics offer seamless integration with the human body for extracting various biophysical and biochemical information for…”
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Graphene as a material for energy generation and control: Recent progress in the control of graphene thermal conductivity by graphene defect engineering by Pyun, Kyung Rok, Ko, Seung Hwan

“…One of the exceptional properties of graphene is its extremely high thermal conductivity, which makes graphene a promising material in thermal engineering. The…”
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Recent Advances in Sustainable Wearable Energy Devices with Nanoscale Materials and Macroscale Structures by Kim, Hyun, Pyun, Kyung Rok, Lee, Ming‐Tsang, Lee, Ha Beom, Ko, Seung Hwan

“…Quick progress in the field of smart wearable devices requires self‐sustainable power systems to help the devices execute the desired functions within a…”
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Materials and devices for immersive virtual reality by Pyun, Kyung Rok, Rogers, John A., Ko, Seung Hwan

“…The metaverse may change the way we live and interact with one another, and its potential applications range from entertainment to health care. Extended…”
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Tunable Radiative Cooling by Mechanochromic Electrospun Micro‐Nanofiber Matrix by Pyun, Kyung Rok, Jeong, Seongmin, Yoo, Myung Jin, Choi, Seok Hwan, Baik, Gunwoo, Lee, Minjae, Song, Jaeman, Ko, Seung Hwan

“…Radiative thermoregulation has been regarded as an energy‐efficient method for thermal management. In this study, the development of a mechanoresponsive…”
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Phase patterning of liquid crystal elastomers by laser-induced dynamic crosslinking by Choi, Seok Hwan, Kim, Ju Hee, Ahn, Jiyong, Kim, Taegyeom, Jung, Yeongju, Won, Daeyeon, Bang, Junhyuk, Pyun, Kyung Rok, Jeong, Seongmin, Kim, Hyunsu, Kim, Young Gyu, Ko, Seung Hwan

“…Liquid crystal elastomers hold promise in various fields due to their reversible transition of mechanical and optical properties across distinct phases…”
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Recent Advances in Sustainable Wearable Energy Devices with Nanoscale Materials and Macroscale Structures (Adv. Funct. Mater. 16/2022) by Kim, Hyun, Pyun, Kyung Rok, Lee, Ming‐Tsang, Lee, Ha Beom, Ko, Seung Hwan

“…Sustainable Wearable Energy Devices In article number 2110535, Ming‐Tsang Lee, Ha Beom Lee, Seung Hwan Ko, and co‐workers discuss energy harvesting and storage…”
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Advances in protective layer-coating on metal nanowires with enhanced stability and their applications by Bang, Junhyuk, Coskun, Sahin, Pyun, Kyung Rok, Doganay, Doga, Tunca, Sensu, Koylan, Serkan, Kim, Dongkwan, Unalan, Husnu Emrah, Ko, Seung Hwan

“…•Metal nanowire transparent electrode is the best candidate to replace fragile ITO.•Metal nanowire still has chemical/mechanical stability problem.•To enhance…”
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Smart paper electronics by laser-induced graphene for biodegradable real-time food spoilage monitoring by Jung, Yeongju, Min, JinKi, Choi, Joonhwa, Bang, Junhyuk, Jeong, Seongmin, Pyun, Kyung Rok, Ahn, Jiyong, Cho, Yeongtak, Hong, Seunghun, Hong, Sukjoon, Lee, Jinwoo, Ko, Seung Hwan

“…•Simple laser irradiation process could convert many kinds of commercial papers into laser-induced graphene (LIG) of highly porous 3D structure.•LIG-based…”
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Two orders of magnitude suppression of graphene's thermal conductivity by heavy dopants (Si) by Lee, Woorim, Kihm, Kenneth David, Kim, Hong Goo, Lee, Woomin, Cheon, Sosan, Yeom, Sinchul, Lim, Gyumin, Pyun, Kyung Rok, Ko, Seung Hwan, Shin, Seungha

“…The in-plane thermal conductivity (kSiG) of silicon-doped graphene (SiG) was greatly suppressed primarily due to increased phonon scattering associated with…”
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Effect of graphene-substrate conformity on the in-plane thermal conductivity of supported graphene by Kim, Hong Goo, Kihm, Kenneth D., Lee, Woomin, Lim, Gyumin, Cheon, Sosan, Lee, Woorim, Pyun, Kyung Rok, Ko, Seung Hwan, Shin, Seungha

“…Measuring the thermal conductivity kg of supported graphene is inherently complicated due to uncertainties associated with the heat dissipation into the…”
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Machine-learned wearable sensors for real-time hand-motion recognition: toward practical applications by Pyun, Kyung Rok, Kwon, Kangkyu, Yoo, Myung Jin, Kim, Kyun Kyu, Gong, Dohyeon, Yeo, Woon-Hong, Han, Seungyong, Ko, Seung Hwan

“…Soft electromechanical sensors have led to a new paradigm of electronic devices for novel motion-based wearable applications in our daily lives. However, the…”
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Artificial Thermal Sensation: Stretchable Skin‐Like Cooling/Heating Device for Reconstruction of Artificial Thermal Sensation in Virtual Reality (Adv. Funct. Mater. 29/2020) by Lee, Jinwoo, Sul, Heayoun, Lee, Wonha, Pyun, Kyung Rok, Ha, Inho, Kim, Dongkwan, Park, Hyojoon, Eom, Hyeonjin, Yoon, Yeosang, Jung, Jinwook, Lee, Dongjun, Ko, Seung Hwan

“…In article number 1909171, Seung Hwan Ko and co‐workers present the development of a skin‐like, highly soft, and stretchable and bi‐functional (both cold and…”
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Significant thermal conductivity reduction of CVD graphene with relatively low hole densities fabricated by focused ion beam processing by Lee, Woomin, Kihm, Kenneth David, Lee, Hyun-Taek, Li, Tielin, Sik Jin, Jae, Cheon, Sosan, Kim, Hong Goo, Lee, Woorim, Lim, Gyumin, Pyun, Kyung Rok, Ko, Seung Hwan, Ahn, Sung-Hoon

“…The detrimental effect of nanoscale hole defects on the in-plane thermal conductivity (k) was first examined for supported CVD graphene. A focused ion beam…”
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A Review on Investigation of Graphene Thermal Property: Recent Development in Measurement Techniques by Pyun, Kyung Rok, Jung, Yeongju, Lee, Ming-Tsang, Ko, Seung Hwan

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