Dr. Hyun-U Ko Profile

Dr. Hyun-U Ko

at Inha Univ

SPIE Involvement:

Author

Publications (15)

Proceedings Article | 27 March 2019 Paper

Feasibility of PVA-lignin as resin for nanocellulose future composites

Hyun-U Ko, Hyun Chan Kim, Jung Woong Kim, Eun Sik Choi, Jaehwan Kim

Proceedings Volume 10969, 1096917 (2019) https://doi.org/10.1117/12.2513871

KEYWORDS: Composites, FT-IR spectroscopy, Hydrogen, Scanning electron microscopy, Structured optical fibers, Nanofibers, Sodium, Polymers, Biopolymers, Fourier transforms

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Proceedings Article | 23 March 2018 Paper

Fabrication and characteristics of cellulose nanofiber films

Hyun-U Ko, Jung Woong Kim, Sunanda Roy, Jungho Park, Eun Sik Choi, Jaehwan Kim

Proceedings Volume 10597, 105970G (2018) https://doi.org/10.1117/12.2296839

KEYWORDS: Transparency, Nanofibers, Thin films, Spectroscopy, Oxidation, FT-IR spectroscopy, Visible radiation, Glasses, Optical fabrication, Sodium

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Proceedings Article | 23 March 2018 Open Access

Cellulose nanocrystal based transparent electroactive polyurethane for active lens application

Hyun-U Ko, Hyun Chan Kim, Jung Woong Kim, Jiyun Lee, Jaehwan Kim

Proceedings Volume 10597, 105970P (2018) https://doi.org/10.1117/12.2296833

KEYWORDS: Dielectrics, Polyurethane, Hydrogen, Nanocrystals, Transparency, FT-IR spectroscopy, Electroactive polymers, Nanocomposites, Composites, Chemical analysis

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Proceedings Article | 17 April 2017 Presentation + Paper

Mechanical and electrical properties of calcinated tea-based cellulose composite films

Jayaramudu Tippabattini, Jung Woong Kim, Hyun-U Ko, Abdullahil Kafy, Yaguang Li, Jaehwan Kim

Proceedings Volume 10167, 101670F (2017) https://doi.org/10.1117/12.2259840

KEYWORDS: Composites, Chemical analysis, Fabrication, Crystals, FT-IR spectroscopy, Scanning electron microscopy, X-ray diffraction, Dielectrics, Lithium, Hydrogen, Polymers, Carbon, Calorimetry, Dielectric polarization

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Proceedings Article | 16 April 2016 Paper

Cellulose nanocrystal and poly[di(ethylene glycol) adipate] blend for tunable lens

Hyun-U Ko, Hyun Chan Kim, Yaguang Li, Sang Youn Kim, Jaehwan Kim

Proceedings Volume 9802, 98020Z (2016) https://doi.org/10.1117/12.2219653

KEYWORDS: Nanocrystals, Smart materials, Biopolymers, Consumer electronics, Biomedical optics, Dielectrics, Transparency, Material characterization, Liquids, Hydrogen, FT-IR spectroscopy, Liquid lenses, Magnetism

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Proceedings Article | 16 April 2016 Open Access

Cellulose/polyvinyl alcohol-based hydrogels for reconfigurable lens

Jayaramudu T., Hyun-U Ko, Xiaoyuan Gao, Yaguang Li, Sang Youn Kim, Jaehwan Kim

Proceedings Volume 9802, 980212 (2016) https://doi.org/10.1117/12.2219651

KEYWORDS: Optical properties, Transformers, Fourier spectroscopy, Spectroscopy, Thermal analysis, X-ray diffraction, Scanning electron microscopy, FT-IR spectroscopy, Transparency, Robotics, Electrodes, Sensors, Ions

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Proceedings Article | 16 April 2016 Paper

Feasibility study of ZnO nanowire made accelerometer

Hyun-Chan Kim, Hyun-U Ko, Sangho Song, Youngmin Yun, Jaehwan Kim

Proceedings Volume 9802, 980211 (2016) https://doi.org/10.1117/12.2219658

KEYWORDS: Nanowires, Zinc oxide, Mechanical sensors, Nanolithography, Copper, Sensors, Actuators, Semiconducting wafers, Surface finishing

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Proceedings Article | 16 April 2016 Paper

UV response of cellulose ZnO hybrid nanocomposite

Seongcheol Mun, Hyun-U Ko, Seung-Ki Min, Hyun-Chan Kim, Jaehwan Kim

Proceedings Volume 9802, 98020Y (2016) https://doi.org/10.1117/12.2219652

KEYWORDS: Nanorods, Zinc oxide, Ultraviolet radiation, Nanocomposites, Ultraviolet detectors, Chemical analysis, Sensors, Skin, Transmission electron microscopy, Composites

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Proceedings Article | 3 April 2015 Paper

Cellulose nanocrystals, nanofibers, and their composites as renewable smart materials

Jaehwan Kim, Lindong Zhai, Seongcheol Mun, Hyun-U Ko, Young-Min Yun

Proceedings Volume 9434, 94340G (2015) https://doi.org/10.1117/12.2084996

KEYWORDS: Smart materials, Nanocomposites, Crystals, Nanocrystals, Composites, Actuators, Nanofibers, Optical fibers, Polymers, Hydrogen

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Proceedings Article | 3 April 2015 Paper

Array haptic actuator for flight simulator

Hyun-U Ko, Hyun Chan Kim, Abdullahil Kafy, Sang Yeon Kim, Jaehwan Kim

Proceedings Volume 9434, 94340Y (2015) https://doi.org/10.1117/12.2084404

KEYWORDS: Actuators, Haptic technology, Electrodes, Mobile devices, Sensors, Dielectrics, Microelectromechanical systems, Receptors, Polymers, Silver

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Proceedings Article | 16 April 2014 Paper

Paper like cellulose-ZnO hybrid nanocomposite and its photoelectrical behavior

Seongchoel Mun, Hyun-U Ko, Byung-Woo Kang, Jaehwan Kim

Proceedings Volume 9060, 90600S (2014) https://doi.org/10.1117/12.2044981

KEYWORDS: Zinc oxide, Composites, Light sources, Ultraviolet radiation, Platinum, Nanocomposites, Electrodes, Nanomaterials, Semiconductors, Nanorods

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Proceedings Article | 16 April 2014 Paper

Strain sensor based on cellulose ZnO hybrid nanocomposite

Hyun-U Ko, Gyu-Young Yun, Joo Hyung Kim, Jaehwan Kim

Proceedings Volume 9060, 90600Q (2014) https://doi.org/10.1117/12.2044957

KEYWORDS: Zinc oxide, Sensors, Zinc, Nanocomposites, Composites, Electrodes, Aluminum, Neodymium, Actuators, Nanorods

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Proceedings Article | 9 April 2013 Paper

Flexible paper transistor made with ZnO-cellulose hybrid nano-composite for electronic applications

Hyun-u Ko, Gwang-Hoon Kim, Sang-Yeol Yang, Jaehwan Kim, Joo-Hyung Kim

Proceedings Volume 8691, 86910B (2013) https://doi.org/10.1117/12.2009600

KEYWORDS: Zinc oxide, Transistors, Zinc, Semiconductors, Chemical reactions, Crystals, Ions, Nanocomposites, Composites, Nanorods

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Proceedings Article | 31 March 2012 Paper

Fabrication of paper-like ZnO-cellulose hybrid nanocomposite

Hyun-U Ko, Byung-wook Lim, Joo-Hyung Kim, Jaehwan Kim

Proceedings Volume 8344, 834415 (2012) https://doi.org/10.1117/12.915708

KEYWORDS: Zinc oxide, Composites, Nanocomposites, Nanolithography, Sensors, Nanostructures, Actuators, Particles, Chemical reactions, Nanorods

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Proceedings Article | 14 April 2011 Paper

Paper transistor made with regenerated cellulose and covalently bonded single-walled carbon nanotubes

Sungryul Yun, Hyun-U Ko, Joo-Hyung Kim, Byung-Wook Lim, Jaehwan Kim

Proceedings Volume 7980, 79800G (2011) https://doi.org/10.1117/12.881478

KEYWORDS: Single walled carbon nanotubes, Transistors, Composites, Electrodes, Resistance, Actuators, Optical alignment, Field effect transistors, Electronics engineering, Silicon

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Showing 5 of 15 publications

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