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Ko, Hyunhyub (고현협)

Department
School of Energy and Chemical Engineering(에너지화학공학과)
Website
http://hko.unist.ac.kr/
Lab
Functional Nanomaterials & Devices Lab. (기능성 나노소재 및 소자 연구실)
Research Keywords
나노소재, 기능성 나노소재, 플렉서블 전자소자, 전자피부, 웨어러블 센서, Polymers, Nanomaterials, Flexible sensors, Wearable devices, Bio-inspired materials, Smart materials
Research Interests
Our research interests are centered on the development of functional nanomaterials and devices based on the assembly of organic/inorganic materials into micro- and nanostructures. We are interested in exploiting the fabrication strategies combining “bottom-up” assembly and “top-down” lithography to hierarchically organize organic and inorganic nanomaterials on multiple length scales. For the solution-based “bottom-up” assembly of nanomaterials (carbon nanotubes, graphenes, nanowires, nanoparticles, etc.), we engineer the surface properties of nanomaterials and substrates for the controlled molecular interactions between nanomaterials, solvents, and substrates. For the “top-down” lithography, we exploit various unconventional lithography methods (soft-lithography, colloids assembly, polymer self-assembly, etc.) in addition to the conventional photolithography and e-beam lithography. By controlling the surface chemistry of nanomaterials and physical confinement of lithographic templates, we understand the principles of nanomaterials assembly and find exact strategies for the specific design of hierarchical structures. We also seek to understand the fundamental physical properties of individual nanomaterials and the collective behavior of the organized micro- and nanostructures, which is central to the rational development of functional devices. Ultimately, we intend to use these micro- and nanostructures in electronics, optics, sensors, and biomedical devices.
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Issue DateTitleAuthor(s)TypeViewAltmetrics
2021-10Engineering crystal phase of Nylon-11 films for ferroelectric device and piezoelectric sensorEom, Kijoo; Na, Sangyun; Kim, Joong-Kwon, et alARTICLE48 Engineering crystal phase of Nylon-11 films for ferroelectric device and piezoelectric sensor
2021-08Fully stretchable self-charging power unit with micro-supercapacitor and triboelectric nanogenerator based on oxidized single-walled carbon nanotube/polymer electrodesYang, Hye Jin; Lee, Jae-Won; Seo, Seon Hee, et alARTICLE22 Fully stretchable self-charging power unit with micro-supercapacitor and triboelectric nanogenerator based on oxidized single-walled carbon nanotube/polymer electrodes
2021-07A Fully Biodegradable Ferroelectric Skin Sensor from Edible Porcine Skin GelatineGhosh, Sujoy Kumar; Park, Jonghwa; Na, Sangyun, et alARTICLE80 A Fully Biodegradable Ferroelectric Skin Sensor from Edible Porcine Skin Gelatine
2021-07Electronic Textiles Based on Highly Conducting Poly(vinyl alcohol)/Carbon Nanotube/Silver Nanobelt Hybrid FibersShin, Young-Eun; Cho, Joon Young; Yeom, Jeonghee, et alARTICLE16 Electronic Textiles Based on Highly Conducting Poly(vinyl alcohol)/Carbon Nanotube/Silver Nanobelt Hybrid Fibers
2021-06Polyvinylidene fluoride (PVDF)/cellulose nanocrystal (CNC) nanocomposite fiber and triboelectric textile sensorsLee, Jung-Eun; Shin, Young-Eun; Lee, Ga-Hyeun, et alARTICLE31 Polyvinylidene fluoride (PVDF)/cellulose nanocrystal (CNC) nanocomposite fiber and triboelectric textile sensors
2021-04Interfacial polarization-induced high-k polymer dielectric film for high-performance triboelectric devicesKim, Minsoo P.; Ahn, Chang Won; Lee, Youngsu, et alARTICLE37 Interfacial polarization-induced high-k polymer dielectric film for high-performance triboelectric devices
2021-02Highly Stretchable, Conductive Polymer Electrodes with a Mixed AgPdCu and PTFE Network Interlayer for Stretchable ElectronicsYoon, Sunyoung; Sim, Hyeong-Min; Cho, Seungse, et alARTICLE113 Highly Stretchable, Conductive Polymer Electrodes with a Mixed AgPdCu and PTFE Network Interlayer for Stretchable Electronics
2021-02High-Performance Triboelectric Devices via Dielectric Polarization: A ReviewKim, Minsoo P.; Um, Doo-Seung; Shin, Young-Eun, et alARTICLE92 High-Performance Triboelectric Devices via Dielectric Polarization: A Review
2021-01Bio-Inspired Gradient Conductivity and Stiffness for Ultrasensitive Electronic SkinsLee, Youngoh; Myoung, Jinyoung; Cho, Soowon, et alARTICLE175 Bio-Inspired Gradient Conductivity and Stiffness for Ultrasensitive Electronic Skins
2021-01Highly Stretchable Sound-in-Display Electronics Based on Strain-Insensitive Metallic NanonetworksCho, Seungse; Kang, Dong-hee; Lee, Hyejin, et alARTICLE57 Highly Stretchable Sound-in-Display Electronics Based on Strain-Insensitive Metallic Nanonetworks
2020-12Flexible high-performance graphene hybrid photodetectors functionalized with gold nanostars and perovskitesLee, Yoon Ho; Park, Seungyoung; Won, Yousang, et alARTICLE58 Flexible high-performance graphene hybrid photodetectors functionalized with gold nanostars and perovskites
2020-12Stimuli-responsive micro/nanoporous hairy skin for adaptive thermal insulation and infrared camouflageChoe, Ayoung; Yeom, Jeonghee; Kwon, Yeju, et alARTICLE35 Stimuli-responsive micro/nanoporous hairy skin for adaptive thermal insulation and infrared camouflage
2020-12Binary Spiky/Spherical Nanoparticle Films with Hierarchical Micro/Nanostructures for High-Performance Flexible Pressure SensorsKim, Young-Ryul; Kim, Minsoo P.; Park, Jonghwa, et alARTICLE36 Binary Spiky/Spherical Nanoparticle Films with Hierarchical Micro/Nanostructures for High-Performance Flexible Pressure Sensors
2020-11Catalytic effects of zirconium on scratch-healing and mechanical properties of urethane-acrylate automotive clearcoatBaek, Kum Ju; Lee, Hyang Moo; Ju, Sung Hwan, et alARTICLE117 Catalytic effects of zirconium on scratch-healing and mechanical properties of urethane-acrylate automotive clearcoat
2020-11Highly Transparent, Flexible, and Self-Healable Thermoacoustic LoudspeakersKang, Dong-hee; Cho, Seungse; Sung, Sujin, et alARTICLE26 Highly Transparent, Flexible, and Self-Healable Thermoacoustic Loudspeakers
2020-09Self-Healable Reprocessable Triboelectric Nanogenerators Fabricated with Vitrimeric Poly(hindered Urea) NetworksPatel, Twinkal; Kim, Minsoo P.; Park, Junyoung, et alARTICLE68 Self-Healable Reprocessable Triboelectric Nanogenerators Fabricated with Vitrimeric Poly(hindered Urea) Networks
2020-08Tailored poly (vinylidene fluoride-co-trifluoroethylene) Crystal Orientation for a Triboelectric Nanogenerator through Epitaxial Growth on a Chitin Nanofiber FilmEom, Kijoo; Shin, Young-Eun; Kim, Joong-Kwon, et alARTICLE111 Tailored poly (vinylidene fluoride-co-trifluoroethylene) Crystal Orientation for a Triboelectric Nanogenerator through Epitaxial Growth on a Chitin Nanofiber Film
2020-07High-Resolution Filtration Patterning of Silver Nanowire Electrodes for Flexible and Transparent Optoelectronic DevicesUm, Doo-Seung; Lee, Youngsu; Kim, Taehyo, et alARTICLE177 High-Resolution Filtration Patterning of Silver Nanowire Electrodes for Flexible and Transparent Optoelectronic Devices
2020-06Self-powered triboelectric/pyroelectric multimodal sensors with enhanced performances and decoupled multiple stimuliShin, Young-Eun; Sohn, So-Dam; Han, Huijun, et alARTICLE227 Self-powered triboelectric/pyroelectric multimodal sensors with enhanced performances and decoupled multiple stimuli
2020-06Soft and ion-conducting hydrogel artificial tongue for astringency perceptionYeom, Jeonghee; Choe, Ayoung; Lim, Seongdong, et alARTICLE188 Soft and ion-conducting hydrogel artificial tongue for astringency perception

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