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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
2021-04Interfacial polarization-induced high-k polymer dielectric film for high-performance triboelectric devicesKim, Minsoo P.; Ahn, Chang Won; Lee, Youngsu, et alARTICLE7 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 alARTICLE44 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 alARTICLE33 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 alARTICLE124 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 alARTICLE28 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 alARTICLE27 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 alARTICLE13 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 alARTICLE5 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 alARTICLE69 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 alARTICLE4 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 alARTICLE36 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 alARTICLE68 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 alARTICLE135 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 alARTICLE170 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 alARTICLE126 Soft and ion-conducting hydrogel artificial tongue for astringency perception
2020-06Enhanced thermomechanical property of a self-healing polymer via self-assembly of a reversibly cross-linkable block copolymerLee, Hyang Moo; Perumal, Suguna; Kim, Gi Young, et alARTICLE103 Enhanced thermomechanical property of a self-healing polymer via self-assembly of a reversibly cross-linkable block copolymer
2020-06Ferroelectric Multilayer Nanocomposites with Polarization and Stress Concentration Structures for Enhanced Triboelectric PerformancesPark, Yoojeong; Shin, Young-Eun; Park, Jonghwa, et alARTICLE77 Ferroelectric Multilayer Nanocomposites with Polarization and Stress Concentration Structures for Enhanced Triboelectric Performances
2020-05Mimicking Human and Biological Skins for Multifunctional Skin ElectronicsLee, Youngoh; Park, Jonghwa; Choe, Ayoung, et alARTICLE209 Mimicking Human and Biological Skins for Multifunctional Skin Electronics
2020-04Co-solvent induced piezoelectric γ-phase nylon-11 separator for sodium metal batteryTNguyen Dien Kha Tu; Park, Jaehyun; Na, Sangyun, et alARTICLE276 Co-solvent induced piezoelectric γ-phase nylon-11 separator for sodium metal battery
2020-01Near-Field Electrospinning for Three-Dimensional Stacked Nanoarchitectures with High Aspect RatiosPark, Yang-Seok; Kim, Junyoung; Oh, Jung Min, et alARTICLE324 Near-Field Electrospinning for Three-Dimensional Stacked Nanoarchitectures with High Aspect Ratios

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