Name Koo, Hyung-Jun
Position professor
Tel +82-2-970-6611
Fax 02-977-8317
E-mail hjkoo@seoultech.ac.kr
Biography
1997. 03 - 2004. 02 Seoul National University (BS)
2004. 03 - 2006. 02 Seoul National University (MS)
2007. 08 - 2012. 08 NC State University (Ph.D)
Careers
2006. 03 - 2007. 05 KIST / Researcher
2012. 08 - 2014. 08 University of Illinois at Urbana-Champaign / Postdoctoral researcher
2014. 09 - 현재 Seoul National University of Sci. and Tech. / Assistant Professor
Research Areas
- Functional soft materials (e.g. Hydrogels, polymers, elastomers etc.)
- Microfluidic devices
- Liquid metal and its applications
- Smart sensors
- Electronic and energy device applications (solar cells, supercapacitors, ionic current diodes, memory devices, etc)
Journal Papers
- A fully textile-based skin pH sensor, JOURNAL OF INDUSTRIAL TEXTILES, 2022
- Alcohol-sensing microfiber: Dependence of conductance of a hydrated composite fiber on normal aliphatic alcohol, Chemical Engineering Journal, 2022
- Effect of Surrounding Solvents on Interfacial Behavior of Gallium-Based Liquid Metal Droplets, MATERIALS, vol.15 No.3, 2022
- Toward Eco-Friendly Dye-Sensitized Solar Cells (DSSCs): Natural Dyes and Aqueous Electrolytes, Energies, 2021
- Eco-Friendly Dye-Sensitized Solar Cells Based on Water-Electrolytes and Chlorophyll, Materials, vol.14 No.9, 2021
- Exosome-mediated diagnosis of pancreatic cancer using lectin-conjugated nanoparticles bound to selective glycans, Biosensors and Bioelectronics, vol.177, 2021
- Alginate-chitosan Hydrogel Patch with Beta-glucan Nanoemulsion for Antibacterial Applications, Biotechnology and Bioprocess Engineering, 2021
- Manipulation of light transmission from stable magnetic microrods formed by the alignment of magnetic nanoparticles, RSC Advances, 2021
- Study and Evaluation of the Potential of Lipid Nanocarriers for Transdermal Delivery of siRNA, Biotechnology Journal, vol.15 No.12, 2020
- Impedance study on humidity dependent conductivity of polymer composites with conductive nanofillers, COMPOSITES PART B-ENGINEERING, vol.202, 2020
- Dielectrophoretic Manipulation of Janus Particle in Conductive Media for Biomedical Applications, Biotechnology Journal, vol.15 No.12, 2020
- Facile fabrication of polyaniline films with hierarchical porous networks for enhanced electrochemical activity, JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY, vol.86 pp.81~89, 2020
- Facile fabrication and photocatalytic activity of Ag/AgI/rGO films, Korean Journal of Chemical Engineering, 2019
- Thermophoretic Control of Particle Transport in a Microfluidic Channel, Korean Chemical Engineering Research(HWAHAK KONGHAK), vol.57 No.5 pp.730~734, 2019
- A Humidity‐Sensing Composite Microfiber Based on Moisture‐Induced Swelling of an Agarose Polymer Matrix, Polymer composites, 2019
- Dielectrophoresis for control of particle transport: Theory, electrode designs and applications, Korean Chemical Engineering Research, vol.57 No.2 pp.149~163, 2019
- pH Dependent Swelling Behavior of Poly(2-hydroxyethyl methacrylate)-Based Copolymer Hydrogels, POLYMER-KOREA, vol.43 No.2 pp.181~187, 2019
- Large-area fabrication of microlens arrays by using self-pinning effects during the thermal reflow process, OPTICS EXPRESS, vol.27 No.3 pp.3439~3447, 2019
- A conducting composite microfiber containing graphene/silver nanowires in an agarose matrix with fast humidity sensing ability, Polymer, vol.164 pp.1~7, 2019
- Synthesis and Functionalization of β-Glucan Particles for the Effective Delivery of Doxorubicin Molecules, ACS Omega, 2019
- Quantification of Unknown Nanoscale Biomolecules Using the Average-Weight-Difference Method, APPLIED SCIENCES-BASEL, vol.9 No.1, 2019
- An Electric Double-Layer Capacitor Based on Eutectic Gallium-Indium Liquid Metal Electrodes, 한국수소및신에너지학회논문집, vol.29 No.6 pp.627~634, 2018
- Chemoresistance of cancer cells: Requirements of tumor microenvironment-mimicking in vitro models in anti-cancer drug development, Theranostics, vol.8 No.19 pp.5259~5275, 2018
- Oxygen-Carrying Micro/Nanobubbles: Composition, Synthesis Techniques and Potential Prospects in Photo-Triggered Theranostics, MOLECULES, vol.23 No.9, 2018
- Cytotoxicity of Gallium-Indium Liquid Metal in an Aqueous Environment, ACS APPLIED MATERIALS INTERFACES, vol.10 No.20 pp.17448~17454, 2018
- Conductive biomaterials for tissue engineering applications, Journal of Industrial and Engineering Chemistry, vol.51 pp.12~26, 2017
- Flexible and Wearable Fiber Microsupercapacitors Based on Carbon Nanotube-Agarose Gel Composite Electrodes, ACS Applied Materials & Interfaces, vol.9 No.23 pp.19925~19933, 2017
- Design and characterization of hydrogel-based microfluidic devices with biomimetic solute transport networks, Biomicrofluidics, vol.11 No.2 , 2017
- Qualitative degradation of the pesticide coumaphos in solution, controlled aerosol, and solid phases on quaternary ammonium fluoride polymer brushes, Polymers for Advanced Technologies, vol.28 No.1 pp.73~79, 2017
- Role of network geometry on fluid displacement in microfluidic color-changing windows, Smart Structures and Systems, An International Journal, vol.18 No.5 pp.865~884, 2016
- Improvement of Dye-Hydrogel Based Photovoltaics via Hydroquinone Electrolyte Mediators, Trans. of the Korean Hydrogen and New Energy Society, vol.27 No.5 pp.540~546, 2016
- Study on the Electrochemical Characteristics of a EGaIn Liquid Metal Electrode for Supercapacitor Applications, 한국수소및신에너지학회논문집, vol.27 No.2 pp.176~181, 2016
- Highly Stretchable and Transparent Microfluidic Strain Sensors for Monitoring Human Body Motions, ACS Applied Materials & Interfaces, vol.7 No.49 pp.27562~27570, 2015
- Autonomic Molecular Transport by Polymer Films Containing Programmed Chemical Potential Gradients, JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, vol.137 No.15 pp.5066~5073, 2015
- Selective Wetting-Induced Micro-Electrode Patterning for Flexible Micro-Supercapacitors, ADVANCED MATERIALS, vol.26 No.30 pp.5108~5112, 2014
- Polymer Brushes Patterned with Micrometer-Scale Chemical Gradients Using Laminar Co-Flow, ACS APPLIED MATERIALS INTERFACES, vol.6 No.16 pp.14320~14326, 2014
- General Method for Forming Micrometer-Scale Lateral Chemical Gradients in Polymer Brushes, CHEMISTRY OF MATERIALS, vol.26 No.8 pp.2678~2683, 2014
- Facile fabrication of graphene composite microwires via drying-induced size reduction of hydrogel filaments, RSC ADVANCES, vol.4 No.40 pp.20927~20931, 2014
- Regenerable Photovoltaic Devices with a Hydrogel-Embedded Microvascular Network, SCIENTIFIC REPORTS, vol.3, 2013
- Ionic current devices-Recent progress in the merging of electronic, microfluidic, and biomimetic structures, BIOMICROFLUIDICS, vol.7 No.3, 2013
- Biomimetic photocatalytic reactor with a hydrogel-embedded microfluidic network, JOURNAL OF MATERIALS CHEMISTRY A, vol.1 No.37 pp.11106~11110, 2013
- Ionic Current Rectification in Soft-Matter Diodes with Liquid-Metal Electrodes, ADVANCED FUNCTIONAL MATERIALS, vol.22 No.3 pp.625~631, 2012
- Stable anatase TiO2 coating on quartz fibers by atomic layer deposition for photoactive light-scattering in dye-sensitized solar cells, NANOSCALE, vol.4 No.15 pp.4731~4738, 2012
- Towards All-Soft Matter Circuits: Prototypes of Quasi-Liquid Devices with Memristor Characteristics, ADVANCED MATERIALS, vol.23 No.31 pp.3559~3559, 2011
- Aqueous soft matter based photovoltaic devices, JOURNAL OF MATERIALS CHEMISTRY, vol.21 No.1 pp.72~79, 2011
- Ion-Current Diode with Aqueous Gel/SiO2 Nanofilm Interfaces, SMALL, vol.6 No.13 pp.1393~1397, 2010
- Fabrication of heterosensitizer-junction dye-sensitized solar cells, APPLIED PHYSICS LETTERS, vol.92 No.14, 2008
- Size-dependent scattering efficiency in dye-sensitized solar cell, INORGANICA CHIMICA ACTA, vol.361 No.3 pp.677~683, 2008
- Nano-embossed hollow spherical TiO(2) as bifunctional material for high-efficiency dye-sensitized solar cells, ADVANCED MATERIALS, vol.20 No.1 pp.195~195, 2008
- On the I-V measurement of dye-sensitized solar cell: Effect of cell geometry on photovoltaic parameters, SOLAR ENERGY MATERIALS AND SOLAR CELLS, vol.91 pp.1749~1754, 2007
Conference Papers
- Kubra Akyildiz 이양우 이민지 박다인 구형준 최종훈 김교범, Dielectrophoretic Behavior of Janus Particles with and without Biomolecule Conjugation, 한국고분자학회 초록집, 경주, 2021
- 구형준, Humidity-dependent Electrical Conductance of Carbon/Polymer Composite Micro-Fibers, 한국고분자학회 추계학술대회 초록집, 경주, 2021
- 김동혁 구형준 김지혜, Eco-Friendly Dye-Sensitized Solar Cells Based on Water-Electrolytes and Chlorophyll, 한국고분자학회 초록집, 경주, 2021
- 박다인 구형준 이양우, Scale-up of Electrocatalytic Reduction of CO2 to Carbonaceous Materials Based on Liquid Metal Electrodes, 한국고분자학회 초록집, 경주, 2021
- 김지혜 김수영 김현진 우상혁 Michael D. Dickey 조지웅 소주희 구형준, Spontaneous, Selective Wetting of Liquid Metal Induced by Surface Topography on a Metallic Surface, 한국고분자학회 추계학술대회 초록집, 경주, 2021
- Akyildiz Kubra 구형준 이민지 최종훈 김교범, Dielectrophoretic Behavior of Janus Particles and Biomolecule-Conjugated Janus Particles, 한국화학공학회 춘계학술대회 초록집, 부산BEXCO, 2021
- 이원정 김교범 Akyildiz Kubra 구형준, Development of injectable composite hydrogels containing eutectic gallium-indium liquid metal and anti-cancer drug for photothermal and photodynamic treatment, 한국화학공학회 춘계학술대회 초록집, 부산BEXCO, 2021
- 김지혜 구형준 윤현식 소주희 김성곤 최종훈, Facile Fabrication of Polyaniline Films with Hierarchical Porous Networks for Enhanced Electrochemical Activity, 한국화학공학회 춘계학술대회 초록집, 부산BEXCO, 2021
- 구형준, Humidity and alcohol sensors based on carbon/agarose gel composite micro-fibers, 한국화학공학회 춘계학술대회초록집, 부산BEXCO, 2021
- 구형준, Interfacial Properties of Gallium-Based Liquid Metal Alloys: Cytotoxicity and Wetting, 한국고분자학회 초록집, 대전, 2021
- Kubra Akyildiz 구형준 이민지 최종훈 김교범, Dielectrophoretic Behavior of Janus Particles and Biomolecule-Conjugated Janus Particles, 한국고분자학회 초록집, 대전, 2021
- 김지혜 구형준 김성곤 소주희 윤현식 최종훈, Facile Fabrication of Polyaniline Films with Hierarchical Porous Networks for Enhanced Electrochemical Activity, 한국고분자학회 초록집, 대전, 2021
- Minyoung Choi, Sooyoung Kim, Jongwon Lee, Ju-Hee So, Hyung-Jun Koo, A Screen-Printable Ph Sensor for Smart Textiles, 2020 Virtual MRS Spring/Fall Meeting, Online, 2020
- Hyung-Jun Koo, Ji-Hye Kim, Ju-Hee So, Sung-Kon Kim, Facile Fabrication of a Polyaniline Electrode with a Hierarchical, 3-D Porous Network for HighPerformance Supercapacitors, 2020 Virtual MRS Spring/Fall Meeting, Online, 2020
- 구형준, Sensors and energy devices based on Carbon/Agarose gel composite micro-fibers, 한국생체재료학회 추계학술대회 초록집, 온라인, 2020
- 최민영 구형준 이민지 김수영 소주희, Polyaniline (PANI)-based Textile pH Sensor for Monitoring of Chronic Wounds, 한국고분자학회 추계학술대회 초록집, 온라인, 2020
- 김지혜 구형준 소주희 김성곤 최종훈, Facile Fabrication of Polyaniline Films with Hierarchical Porous Networks for Enhanced Electrochemical Activity, 한국고분자학회 추계학술대회 초록집, 온라인, 2020
- Kubra akyildiz 구형준 이민지 최종훈 김교범, Dielectrophoretic Behavior of Janus Particles and Biomolecule-Conjugated Janus Particles, 한국고분자학회 추계학술대회 초록집, 온라인, 2020
- 김수영, 구형준, pH Dependent Swelling Behavior of Poly(2-hydroxyethyl methacrylate)-based Copolymer Hydrogels, 한국고분자학회 추계 학술대회 초록집, 제주도ICC, 2019
- 김지혜, 소주희, 김성곤, 구형준, Compositional and Morphological Study on a Polyaniline (PANI) Hydrogel for a 3-D Porous Electrode, 한국고분자학회 추계학술대회 초록집, 제주도ICC, 2019
- 이민지, 원종빈, 정대호, 이다솜, 구형준, Behavior and Separation of Janus Particles by Dielectrophoretic, 한국고분자학회 추계학술대회 초록집, 제주도ICC, 2019
- 박예진, 이양우, 소주희, 김성곤, 염봉준, 구형준, Humidity-Sensing Composite Microfibers Containing Conducting Nanofillers and Impedance Study on their Opposite Humidity Response, 한국고분자학회 추계학술대회 초록집, 제주도ICC, 2019
- 박예진, 이양우, 구형준, 염봉준, Fabrication of a Microfiber with Conducting Fillers Embedded in an Agarose Matrix as a Humidity Sensor, 한국화공학회 추계학술대회 초록집, 대구, 2018
- 김수영, 구형준, PH dependent swelling behavior of poly(2-hydroxyethyl methacrylate)-based copolymer hydrogels, 한국화공학회 추계학술대회 초록집, 대구, 2018
- 이민지, 김지혜, 윤수창, 남상훈, 구형준, Preparation and Optimization of 3-D Porous Polyaniline Hydrogel Electrodes for Electrochemical Applications, 한국화공학회 추계학술대회 초록집, 대구, 2018
- 김지혜, 김성준, 김교범, 구형준, 소주희, Released ions and cytotoxicity study of eutectic gallium-indium(EGaIn) liquid metal in aqueous environment, 한국화공학회 추계학술대회 초록집, 대구, 2018
- 이양우, 이민지, 구형준, Hydrogel Composite Microfibers with Conducting Fillers and Its Humidity Sensing Ability, 한국고분자학회 춘계학술대회 초록집, 대전, 2018
- 김지혜, 박예진, 구형준, Compositional Engineering of Polyaniline Hydrogel Electrodes for Electrochemical Applications, 한국고분자학회 춘계학술대회 초록집, 대전, 2018
- 김지혜, 김교범, 구형준, Cytotoxicity study of eutectic gallium-indium (EGaIn) liquid metal by analyzing the released ions in aqueous environment, 한국고분자학회 춘계학술대회 초록집, 대전, 2018
- Hyung-Jun KOO; Sung-Kon KIM; Ju-Hee SO, Carbon/agarose gel composite micro-fibers: humidity sensors and super-capacitors, IEEE-Nanomed 2017, Shenzhen, China, 2017
- Yang Woo Lee, Bongjun Yeom, Ju-Hee So, Hyung-Jun Koo, Graphene/Ag-Nanowire Composite Conductive Microfibers with Humidity Sensing Ability, MRS Fall Meeting 2017, Boston, MA, USA, 2017
- Ji Hye Kim, SungJun Kim, Kyobum Kim, Hyung-Jun Koo, Cytotoxicity Study of Eutectic Gallium-Indium (EGaIn) Liquid Metal in Aqueous Environment, MRS Fall Meeting 2017, Boston, MA, USA, 2017
- 구형준, 김성곤*, Paul V. Braun, Humidity Sensors and Micro-supercapacitors Based on Carbon/Agarose Gel Composite Fibers, 고분자학회 추계학술대회, 제주도, 2017
- 김지혜, 구형준, Preparation of Polyaniline Hydrogel Electrodes for Electrochemical Applications, 고분자학회 추계학술대회, 제주도, 2017
- 이양우, 구형준, Fabrication of Hydrogel Composite Microfibers with Hydrophilic Conducting Fillers and Its Sensing Ability, 고분자학회 추계학술대회, 제주도, 2017
- 김지혜, 구형준, An empirical study on the characteristics of the polyanilin hydrogels for electrochemical applications, 고분자학회 춘계학술대회, 대전, 2017
- 서효진, 구형준, Chemical Gradients Formation on pHEMA surface, 고분자학회 춘계학술대회, 대전, 2017
- 이양우, 구형준, Fabrication of CNT Composite Microwires and its Gas Sensing Ability, 고분자학회 춘계학술대회, 대전, 2017
- Hyung-Jun Koo, Braun V. Paul, Kristopher V. Waynant, Chunjie Zhang, Chemical Gradients Formation on Polymer Surfaces for Directed Molecular Transport, Pacific Rim Symposium on Surfaces, Coatings & Interfaces, Hapuna Beach Prince Hotel, 2016
- Hyung-Jun Koo, Sung-Kon Kim, Braun V. Paul, Facile Fabrication of Graphene Composite Microwires via Drying-induced Size Reduction of Hydrogel Filaments, The 10th Asian-Australasian Conference on Composite Materials, 부산 Bexco, 2016
- 구형준, 이양우, 미세유체 구조를 이용한 재생 가능 수화젤 태양전지, 한국에너지학회 추계학술발표회, 부산 BEXCO, 2016
- Hyung-Jun Koo, Sung-Kon Kim, Braun V. Paul, Jiung Cho, Simple fabrication of graphene composite microwires by drying-induced size reduction of hydrogel fibers., 90th ACS Colloid and Surface Science Symposium, Harvard Univ., 2016
- Sun Geun Yoon, Sung Min Lee, Hyung-Jun Koo, Suk Tai Chang, Highly Sensitive and Transparent Motion Detecting Sensor Based on Microfluidic Techniques, Materials Research Society (MRS) Fall Meeting, Hynes convention center, Boston, 2015
- 구형준, Chemical gradients formation for directed molecular transport, 한국 고분자 학회 추계 학술대회, 대구 컨벤션 센터, 2015
- Orlin D Velev, Hyung-Jun Koo, Daniel Morales, Etienne Palleau, Michael D Dickey, Reverse Engineering of Live Tissue Operation in Hydrogel Devices Combining Microfluidics and Ionic Electronics, 2014 MRS fall meeting, Boston, MA, USA, 2014
- 구형, Microfluidic hydrogel: A new platform for efficient solution supply, 2014년도 가을총회 및 학술대회, 대전컨벤션센터, 2014
- 구형준, General Microfluidic Methods for Formation of Micron-Scale Chemical Gradients in Polymer Brushes, 2014년도 추계총회 및 학술대회, 제주 ICC, 2014
- Sung-Kon Kim, Hyung-Jun Koo, Aeri Lee, Paul V Braun, Flexible Micro-Capacitors Through Microtransfer Molding, 2014 MRS Spring meeting, San Francisco, CA, USA, 2014
- Chunjie Zhang, Amit Sitt, Hyung-Jun Koo, Kristopher Waynant, Henry Hess, Brian Pate, Paul Braun, Hydrogels Containing Built-In Mesoscale Chemical Potential Gradients: Route to Autonomous Molecular Processors, 2014 MRS spring meeting, San Francisco, CA, USA, 2014
- Aeri Lee, Hyung-Jun Koo, Kristopher Waynant, Chunjie Zhang, Paul V. Braun, Micrometer-Scale Polymer Brush Gradients Formed via Microfluidic Co-Flow, 2014 MRS spring meeting, San Francisco, CA, USA, 2014
- Facile Methods for Formation of Micron-scale Brush Gradients, MRS Fall Meeting, 2013
- Directed molecular transport and separation by thin hydrogel films with built-in chemical potential gradients, ACS National Meeting & Exposition, 2013
- Biomimetic Soft-Matter Memristors Composed of Hydrogels, AiChE Annual Meeting, 2011
- A New Class of Aqueous Soft Matter Based Photovoltaic Devices, MRS Spring Meeting, 2011
- Computational and Experimental Study on Solute Transport in Biomimetic Solar and Fuel Cells with Soft Matter Microfludic Networks, MRS Spring Meeting, 2011
- Towards Soft Matter Circuits: Quasi-liquid Diodes and Memristors, MRS Fall Meeting, 2010
- Aqueous Soft Matter Based Photovoltaic Devices, ACS Colloid & Surface Science Symposium, 2010
- Modeling of Solute Transport in Biomimetic Solar and Fuel Cells with Soft Matter Microfluidic Networks, ACS Colloid & Surface Science Symposium, 2010
Patents
- 탄소물질-친수성 고분자 복합체 기반 섬유형 알코올 센서, 특허 등록, 대한민국, 2020
- 3상 하이브리드 나노입자 및 이를 제조하는 방법, 특허 등록, 대한민국, 2020
Projects
- 미세유체 채널에서 열 영동에 의한 마이크로/나노 입자의 이동 제어, 산학협력단, 2019.03.~2020.02.
- 머쉬룸 구조 패턴을 이용한 스마트 디바이스용 초발수성,발유성 기능성 보호필름, 중소기업기술정보진흥원, 2018.12.~2019.11.
- 생체친화형 포터블 에너지 시스템 개발, 산학협력단, 2018.12.~2021.11.
- 갈륨계 액체금속의 계면 연구를 통한 초신축성 에너지소자 개발, 한국연구재단, 2018.03.~2021.02.
- 에너지산업 기술금융 고급트랙, 한국에너지기술평가원, 2016.06.~2020.12.
- 에너지 그래디언트를 가지는 고분자 브러쉬를 이용한 분자 표면이동 제어, 한국연구재단, 2015.11.~2018.10.
- 경화성 물질 패터닝을 이용한 뚫림 방지용 직물 개발, (주)시즈글로벌, 2015.06.~2015.09.
- 이온전류 소자 개발을 위한 하이드로젤의 이온 전도도 향상에 관한 연구, 산학협력단, 2015.06.~2016.05.
수상
- 2020학년도 교육분야 우수교육상, 2020학년도 교육분야 우수교원 포상, 서울과학기술대학교, 2021