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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
2022-03Ultrasensitive Multimodal Tactile Sensors with Skin-Inspired Microstructures through Localized Ferroelectric PolarizationShin, Young-Eun; Park, Yong-Jin; Ghosh, Sujoy Kumar, et alARTICLE91 Ultrasensitive Multimodal Tactile Sensors with Skin-Inspired Microstructures through Localized Ferroelectric Polarization
2022-03Frequency-selective acoustic and haptic smart skin for dual-mode dynamic/static human-machine interfacePark, Jonghwa; Kang, Dong-hee; Chae, Heeyoung, et alARTICLE108 Frequency-selective acoustic and haptic smart skin for dual-mode dynamic/static human-machine interface
2022-02Anisotropic silver nanowire dielectric composites for self-healable triboelectric sensors with multi-directional tactile sensitivityKim, Minsoo P.; Kim, Young-Ryul; Ko, HyunhyubARTICLE81 Anisotropic silver nanowire dielectric composites for self-healable triboelectric sensors with multi-directional tactile sensitivity
2022-01Spatiotemporal Measurement of Arterial Pulse Waves Enabled by Wearable Active-Matrix Pressure Sensor ArraysBaek, Sanghoon; Lee, Youngoh; Baek, JinHyeok, et alARTICLE81 Spatiotemporal Measurement of Arterial Pulse Waves Enabled by Wearable Active-Matrix Pressure Sensor Arrays
2022-01Flexible Pyroresistive Graphene Composites for Artificial Thermosensation Differentiating Materials and Solvent TypesLee, Youngoh; Park, Jonghwa; Choe, Ayoung, et alARTICLE59 Flexible Pyroresistive Graphene Composites for Artificial Thermosensation Differentiating Materials and Solvent Types
2022-01Interdigitated Three-Dimensional Heterogeneous Nanocomposites for High-Performance Mechanochromic Smart MembranesChen, Haomin; Cho, Donghwi; Ko, Kwonhwan, et alARTICLE31 Interdigitated Three-Dimensional Heterogeneous Nanocomposites for High-Performance Mechanochromic Smart Membranes
2021-11MXene-enhanced beta-phase crystallization in ferroelectric porous composites for highly-sensitive dynamic force sensorsKim, Jinyoung; Jang, Moonjeong; Jeong, Geonyoung, et alARTICLE80 MXene-enhanced beta-phase crystallization in ferroelectric porous composites for highly-sensitive dynamic force sensors
2021-10Engineering crystal phase of Nylon-11 films for ferroelectric device and piezoelectric sensorEom, Kijoo; Na, Sangyun; Kim, Joong-Kwon, et alARTICLE237 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 alARTICLE163 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 alARTICLE201 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 alARTICLE95 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 alARTICLE137 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 alARTICLE122 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 alARTICLE235 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 alARTICLE203 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 alARTICLE277 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 alARTICLE130 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 alARTICLE140 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 alARTICLE97 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 alARTICLE110 Binary Spiky/Spherical Nanoparticle Films with Hierarchical Micro/Nanostructures for High-Performance Flexible Pressure Sensors

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