소개
Prof. Wonjoon Choi
Office: Innovation Hall, RM 316
Tel: +82-2-3290-5951
E-mail: wojchoi@korea.ac.kr
- About Professor
- Curriculum Vitae
- Publication
- Research
- Teaching
- Lab Members
Profile
Prof. Wonjoon Choi
Associate Professor, School of Mechanical Engineering, Korea University316, Innovation Hall, Korea University, Anamdong, 5-Ga, Sungbuk-Gu, Seoul, Korea, 136-713Phone: 82-2-3290-5951Email : wojchoi@korea.ac.krCurriculum Vitae
Education
2012.02 Ph. D. | Department of Mechanical Engineering,Massachusetts Institute of Technology (MIT), USA(P. I. : Michael S. Strano)2003.02 B.S. | School of Mechanical & Aerospace EngineeringSeoul National University, Seoul, KoreaProfessional Experiences
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2017.09 - present Associate Professor, School of Mechanical Engineering, Korea University2012.09 - 2017.08 Assistant Professor, School of Mechanical Engineering, Korea University2012.02 - 2012.08 Postdoctoral Associate, Department of Chemical Engineering, Massachusetts Institute of Technology (MIT)
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(P. I. : Paula T. Hammond, Angela M. Belcher)2004.07 - 2006. 04 Platform Development Team Assistant Engineer, KEBTechnology Co.,Ltd2003.03 - 2004. 06 Engineer, CyberCVS Co.,Ltd.
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Publication
201847. Park. T.Y.; Lee. S.J.; Cha. J.H.; Choi. W.*; "Scalable Fabrication of Nanopores in Membranes via Thermal Annealing of Au Nanoparticles", (Submitted)46. Seo. B.S.; Hwang. H.Y.; Park. S.H.; Choi. W.*; "A Simple Fabrication Route of Porous Palladium/Palladium Oxide/Carbon Nanostructures using One-Step Combustion Waves for High-Performance pH Sensors", (Submitted)45. Lee. S.J.; Kang. J.Y.; Choi. W.*; Kwak. R.K.*; "Buffer-less Electric Emulsification with Real-Time Characterization by using Implanted Resistive Pulse Sensing", (Submitted)44. Lee. S.H.; Bae. Y.G.; Yoon. K.J.; Lee. J.H.; Choi. W.; Hong. J.S.*; "Investigation of local thermodynamic states within a solid oxide fuel cell stack for hydrocarbon-fueled operations", (Submitted)43. Seo. B.S.; Hwang. H.Y.; Kang. S.G.; Cha. Y.S.; Choi. W.*; "Flexible-detachable dual-output sensors of fluid temperature and dynamics based on structural design of thermoelectric materials", Nano Energy, 2018, 50, 733-74342. Han. D.H.; Farion. C.; Yang. C.; Scott. T.; Browe. D.; Choi. W.; Freeman. J.W.; Lee. H.W.*; "Soft Robotic Manipulation and Locomotion with a 3D Printed Electroactive Hydrogel", ACS Applied Materials & Interfaces, 2018, 10 (21), 17512-1751841. Hwang. H.Y.; Lee. K.Y.; Shin. D.J.; Shin. J.H.; Kim. S.T.*; Choi. W.*; "Metal-free, Flexible Triboelectric Generator based on MWCNT Mesh Film and PDMS Layers", Applied Surface Science, 2018, 442, 693-69940. Shin. D.J.‡; Shin. J.H.‡; Yeo. T.H.; Hwang. H.Y.; Park. S.H.; Choi. W.*; "Scalable Synthesis of Triple-Core-Shell Nanostructures of TiO2@MnO2@C for High Performance Supercapacitors using Structure-Guided Combustion Waves", Small, 2018, 14, 170375539. Hwang. H.Y.; Shin. J.H.; Lee. K.Y.*; Choi. W.*; "Facile one-pot transformation using structure-guided combustion waves of micro-nanostructured β-Bi2O3 to α-Bi2O3@C and analysis of electrochemical capacitance", Applied Surface Science, 2018, 428, 422-431
201738. Yeo. T.H.; Shin. D.J.; Shin. J.H.; Hwang. H.Y.; Seo. B.S.; Lee. J.H.; Choi. W.*; "DC-field-driven combustion wave for one-step fabrication of reduced manganese oxide/multi-walled carbon nanotube hybrid nanostructures as high-performance supercapacitor electrodes", Journal of Materials Chemistry A, 2017, 5 , 2470737. Shin. J.H.‡; Shin. D.J.‡; Hwang. H.Y.; Yeo. T.H.; Park. S.H.; Choi. W.*; "One-Step Transformation of MnO2 into MnO2–x@Carbon Nanostructures for High-Performance Supercapacitors using Structure-Guided Combustion Waves", Journal of Materials Chemistry A, 2017, 5, 1348836. Shin. D.J.‡; Seong. T.H.‡; Choi. J.H.*; Choi. W.*; "Self-Sustaining Water-Motion Sensor Platform for Continuous Monitoring of Frequency and Amplitude Dynamics", Nano Energy, 2017, 35, 17935. Hwang. H.Y.; Shin. D.J.; Yeo. T.H.; Choi. W.*; "Amplified Thermopower Waves in Large-Area Carbon-Nanotube/Fuel Composites via Thermal Decomposition of Sodium Nitrate", Advanced Materials Interfaces, 2017, 4(6), 160090834. Lee. S.H.; Park. M.S.; Kim. H.C.; Yoon. K.J.; Son. J.W.; Lee. J.H.; Kim. B.K.; Choi. W.; Hong. J.S.*; "Thermal Conditions and Heat Transfer Characteristics of High-Temperature Solid Oxide Fuel Cells Investigated by Three-Dimensional Numerical Simulations", Energy, 2017, 120, 293-30533. Park. G.W.‡; Kang. S.G.‡; Lee. H.W.; Choi. W.*; "Tunable Multifunctional Thermal Metamaterials: Manipulation of Local Heat Flux via Assembly of Unit-Cell Thermal Shifters", Scientific Reports, 2017, 7, 4100032. Lee. S.J.; Kang. J.Y.; Choi. W.*; Kwak. R.K.*; "Nanopore Sensing in Aqueous Two-Phase System: Simultaneous Enhancement of Signal and Translocation Time via Conformal Coating", Small, 2017, 13, 1601725 (Inside Front Cover)31. Yeo. T.H.; Hwang. H.Y.; Shin. D.J.; Seo. B.S.; Choi. W.*; "Thermoelectric-Pyroelectric Hybrid Energy Generation from Thermopower Waves in Core-Shell Structured Carbon Nanotube-PZT Nanocomposites", Nanotechnology, 2017, 28, 065403
201630. Shin. D.J.; Hwang. H.Y.; Yeo. T.H.; Seo. B.S.; Choi. W.*; "Thermopower Wave-driven Hybrid Supercapacitor Charging System", ACS Applied Materials & Interfaces, 2016, 8 (45), 31042-3105029. Lee. S.H.‡; Seo. G.H.‡; Lee. S.H.; Jeong. U.J.; Lee. S.J.; Kim. S.J.* ; Choi. W.*; "Layer-by-Layer Carbon Nanotube Coatings for Enhanced Pool Boiling Heat Transfer on Metal Surfaces", Carbon, 2016, 107, 607-61828. Park. G.W.‡; Lee. J.H.‡; Kang. S.G.; Kim. M.S.; Kang. S.* ; Choi. W.*; "Design Principle of Super Resolution Near-Field Structure Using Thermally Responsive Optical Phase Change Materials for Nanolithography Applications", Materials & Design, 2016, 102, 45-5527. Shin. J.H.; Lee. K.Y.; Yeo. T.H.; Choi. W.*; "Facile One-pot Transformation of Iron Oxides from Fe2O3 Nanoparticles to Nanostructured Fe3O4@C Core-Shell Composites via Combustion Waves", Scientific Reports, 2016, 6, 2179226. Lee. S.H.; Kim. H.C.; Yoon. K.J.; Son. J.W.; Lee. J.H.; Kim. B.K.; Choi. W.; Hong. J.S*; "The Effect of Fuel Utilization on Heat and Mass Transfer within Solid Oxide Fuel Cells Examined by Three-Dimensional Numerical Simulations", International Journal of Heat and Mass Transfer, 2016, 97, 77-9325. Lee. K.Y.; Hwang. H.Y.; Kim. T.H.; Choi. W.*; "Enhanced Photocatalytic Activity of Bismuth Precursor by Rapid Phase and Surface Transformation Using Structure-Guided Combustion Waves", ACS Applied Materials & Interfaces, 2016, 8 (5), 3366-337524. Um. J.E.; Yeo. T.H.; Choi. W.; Chae. J.S; Kim. H.S.; Kim. W.J.*; "Enhanced energy release from carbon nanotube-energetic material composites", Science of Advanced Materials, 2016, 8, 164-17023. Cho. E.; Park. G.W.; Lee. J.W.; Cho. S.M.; Kim T.; Kim. J.; Choi. W.*; Ohm. W.S.; Kang. S.*; "Effect of alumina composition and surface integrity in alumina/epoxy composites on the ultrasonic attenuation properties", Ultrasonics, 2016, 66, 133-139
201522. Hwang. H.Y.; Lee. K.Y.; Yeo. T.H.; Choi. W.*; "Investigation of structural and chemical transitions in copper oxide microstructures produced by combustion waves in a mixture of CuO–Cu2O–Cu and fuel", Applied Surface Science, 2015, 359, 931-93821. Lee. K.Y.; Hwang. H.Y.; Shin. D.J.; Choi. W.*; "Manipulation of Combustion Waves in Carbon-Nanotube/Fuel Composites by Highly Reactive Mg Nanoparticles", Nanoscale, 2015, 7, 17071-1707820. Lee. K.Y.; Hwang. H.Y.; Choi. W.*; "Phase Transformation of Cobalt Oxide in CoxOy-ZnO Multi-Pod Nanostructures via Combustion from Thermopower Waves", Small, 2015, 11 (36), 4762-477319. Yeo. T.H.; Hwang. H.Y.; Cho. Y.H.; Shin. D.J.; Choi. W.*; "Voltage Amplification of Thermopower Waves via Current Crowding at High Resistances in Self-Propagating Combustion Waves", Nanotechnology, 2015, 26, 30540218. Hwang. H.Y.‡; Yeo. T.H.‡; Cho. Y.H.; Shin. D.J.; Choi. W.*; "Preparation and Evaluation of Hybrid Composites of Chemical Fuel and Multi-Walled Carbon Nanotubes in the Study of Thermopower Waves", Journal of Visualized Experiments, 2015, 98, e5281817. Lee. K.Y.‡; Hwang. H.Y.‡; Shin. D.J.; Choi. W.*; "Enhanced Thermopower Wave via Nanowire Bonding and Grain Boundary Fusion in Combustion of Fuel/CuO-Cu2O-Cu Hybrid Composites", Journal of Materials Chemistry A, 2015, 3, 5457-546616. Kim. B.Y.; Kim. H.C.; Yoon. K.J.; Lee. J.H.; Kim. B.K.; Choi. W.; Lee. J.H.; Hong. J.S*; "Reactions and Mass Transport in High Temperature Co-Electrolysis of Steam/CO2 Mixtures for Syngas Production", Journal of Power Sources, 2015, 280, 630-63915. Seo. G.H.; Hwang. H.Y.; Yoon. J.W.; Yeo. T.H.; Son. H.H.; Jeong U.; Jeun. G.D.; Choi. W.*; Kim. S.J.*; "Enhanced Critical Heat Flux with Single-Walled Carbon Nanotubes Bonded on Metal Surfaces", Experimental Thermal and Fluid Science, 2015, 60, 138-147
~ 201414. Yeo. T.H.; Hwang. H.Y.; Lee. D.C.; Lee. K.Y.; Hong. J.S, Song, C.; Choi. W.*; "Effects of Chemical Fuel Composition on Energy Generation from Thermopower Waves", Nanotechnology, 2014, 25, 44540313. Hwang. H.Y.; Yeo. T.H.; Um. J.E.; Lee. K.Y.; Kim. H.S.; Han. J.H.; Kim. W.J. ; Choi. W.*; "Investigation of Effect of the Structure of Large-Area Carbon-Nanotube/Fuel Composites on Energy Generation from Thermopower Waves", Nanoscale Research Letters, 2014, 9, 53612. Lee. K.Y.; Hwang. H.Y.; Choi. W.*; "Advanced Thermopower Wave in Novel ZnO Nanostructures/Fuel Composite", ACS Applied Materials & Interfaces, 2014, 6 (17), 15575-1558211. Choi. W.; Ulissi. Z.; Shimizu. S.; Bellisario. D.;Ellison. M.; Strano. M. S. "Diameter Dependent Ion Transport through the Interior of Single Isolated Single Walled Carbon Nanotubes", Nature Communications, 2013, 4, 239710. Abrahamson. J. T.; Sempere. B.; Walsh. P. M.; Forman. J. M.; Sen. F.; Sen. S.; Mahajan. G. S.; Paulus. L. G; Choi. W.; Strano. M. S. “Excess thermopower and the theory of thermopower waves ", ACS Nano, 2013, 7 (8), 6533-65449. Choi. W.*; Hong. J.*; "Rapid Electromechanical Transduction on a Single-Walled Carbon Nanotube Film: Sensing Fast Mechanical Loading via Detection of the Electrical Signal Change", Industrial & Engineering Chemistry Research, 2012, 51 (45), 14714–147218. Shimizu. S.; Choi. W.; Abrahamson. J. T.; Strano. M. S. "New concepts in molecular and energy transport within carbon nanotubes: Thermopower waves and stochastically resonant ion channels", Physica Status Solidi B-Basic Solid State Physics, 2011, 248 (11), 2445-2448.7. Abrahamson. J. T.; Song. C.; Hu. J. H.; Forman. J. H.; Mahajan. S. G.; Nair. N.; Choi. W.; Lee. EJ. Strano. M. S. "Synthesis and Energy Release of Nitrobenzene-Functionalized Single-Walled Carbon Nanotubes", Chemistry of Materials, 2011, 23 (20), 4557-4562.6. Abrahamson. J. T.; Choi. W.; Schonenbach, N. S.; Park. J.; Han. J. -H.; Walsh. M. P.; Kalantar-Z. K.; Strano. M. S. "Wave Front Velocity Oscillation of Carbon Nanotube-Guided Thermopower Waves:Nanoscale Alternating Current Sources", ACS Nano, 2011, 5 (1), 367-375.5. Choi. W.; Lee. C.Y.; Ham. M. H.; Shimizu. S.; Strano. M. S. "Dynamics of Simultaneous, Single Ion Transport through Two Single-Walled Carbon Nanotubes: observation of a three-state system", Journal of the American Chemical Society, 2011, 133 (2), 203-205.4. Ham. M. H.; Paulus. G. L. C.; Lee. C. Y.; Song. C.; Kalantar-Z. K.; Choi. W.; Han. J. -H.; Strano. M. S. "Evidence for High Efficiency Exciton Dissociation at the polymer/Single Walled Carbon Nanotube Interfaces in Planar Nano-Heterojunction Photovoltaics", ACS Nano 2010, 4, 6251-6259.3. Choi. W.; Abrahamson. J. T.; Strano. J. M.; Strano. M. S. "Carbon Nanotube-Guided Thermopower Waves", Materials Today, 2010, 13(10), 22-23.2. Lee. C.Y.; Choi. W.; Han, J –H.; Strano. M. S. "Coherence Resonance in Single-Walled Carbon Nanotube Ion Channel", Science, 2010, 329, 1320-1324.1. Choi. W.; Hong. S.; Abrahamson. J. T.; Han. J. -H.; Song. C.; Nair. N.; Baik. S.; Strano. M. S. "Chemically Driven, Carbon Nanotube-Guided Thermopower Waves", Nature Materials, 2010, 9, 423-429.Research
Well designed hybrid structures from nano-microscale to macroscale contribute to further manipulation of thermal-fluidic-energy transport making them useful in many applications. Our research interests lie in utilizing thermal-fluidic-energy transport within hybrid structures.(1) Multiscale Platforms for Active Control of Thermal & Fluidic transport and Their Applicationsa. Multiscale-textured surfaces and structures for phase change heat transfer: Design of multi-porous structures for further controls of heat transfer coefficient and critical heat fluxb. Fluidic transport through nanopores and nanochannels: Fabrication of nanopore-channel platforms and study of underlying physics of ion transport for mass transport and nanofluidic sensing applications
(2) Structure-Guided Combustion Waves (SGCWs) driven Thermal-Chemical-Electrical Energy Conversion for Energy Applicationsa. Active manipulation of materials via SGCWs: Facile one-pot transformation of phase / surface / porosity / composition with controlled organic layer coating for metal oxides for energy applicationsb. Thermopower waves in SGCWs: Electrical energy generation utilizing thermally-chemically induced charge transport through hybrid materials in propagating combustion
(3) Thermal Metamaterials for Local Heat Flux Manipulationa. Tunable-multifunctional-reconfigurable thermal metamaterials: Assembly design of unit-cells components with diverse thermal functions in macroscale and fabrication in 2D and 3D structuresb. Applications of thermal metamaterials for local heat flux manipulation: Thermal energy focusing-dissipating-diffusing-rotating using hybrid structures
(4) Thermal Analysis of Multiphysics-Multiscale Systemsa. Hybrid analysis of multiscale systems including thermal transport: Photo-thermal, thermal-electrical, chemical-thermal-electrical energy conversionb. Applications to multiphysics-multiscale systems: Super resolution near-field structure for nanolithography systems, solid-oxide fuel cells, thermoelectrics, and planar heating elements.
(5) Self-Sustained Thermal-Fluidic Sensing Platform (Energy Harvesting and Sensors)a. Dual-function sensors for electrical energy generation and sensing of thermal-fluidic transport phenomena: Thermolelectrics, pyroelectrics, triboelectrics, piezoelectricsb. Applications to various chemical-physical sensors with self-powered functions: Fluid temperature-flow sensors, pH sensors, fluid dynamics and others
Teaching
Spring, 2018수치해석 (Numerical Analysis)열역학특론 (Advanced Thermodynamics)Fall, 2017응용열전달 (Applied Heat Transfer)열전달특론 (Advanced Heat Transfer)창의설계 (Creative Design)Spring, 2017수치해석 (Numerical Analysis)기계공학세미나 1 (Mechanical Engineering Seminar 1)Fall, 2016열전달특론 (Advanced Heat Transfer)컴퓨터 언어 및 실습 (Computer Language and Lab)창의설계 (Creative Design)Spring, 2016열전달 (Heat Transfer)수치해석 (Numerical Analysis)Fall, 2015열전달특론 (Advanced Heat Transfer)컴퓨터 언어 및 실습 (Computer Language and Lab)Spring, 2015수치해석 (Numerical Analysis)공업수학 1 (Engineering Mathematics 1)Fall, 2014열전달특론 (Advanced Heat Transfer)컴퓨터 언어 및 실습 (Computer Language and Lab)Spring, 2014수치해석 (Numerical Analysis)공업수학 1 (Engineering Mathematics 1)Fall, 2013열전달특론 (Advanced Heat Transfer)컴퓨터 언어 및 실습 (Computer Language and Lab)Spring, 2013수치해석 (Numerical Analysis)공업수학 1 (Engineering Mathematics 1)Fall, 2012응용유체역학 (Applied Fluid Mechanics)컴퓨터 언어 및 실습 (Computer Language and Lab)Lab Members
현재 연구실에서는 함께 일할 대학원생, 학부 연구생을 모집하고 있습니다. 기계공학의 전통 분야인 열,유체, 열전달 분야와 최근 활발하게 연구가 이루어지고 있는 나노/에너지 분야의 융복합 연구에 관심이 있는 학생들의 많은 연락 바랍니다. (wojchoi@korea.ac.kr)
We are currently looking for postdoc, graduate students, undergraduate students who are interested in the convergence research between thermal-fluid engineering and nano/energy research. Interested applicants should contact me by email. (wojchoi@korea.ac.kr)박사 과정 (PhD Program)황하영 (2013.03~Present)고려대학교 공과대학 기계공학부 박사 과정석박사 통합 과정 (MS/PhD Program)여태한 (2013.09~Present)고려대학교 공과대학 기계공학부 석박사 과정조용환 (2014.03~Present)고려대학교 공과대학 기계공학부 석박사 통합 과정이상혁 (2014.09~Present)고려대학교 공과대학 기계공학부 석박사 통합 과정신동준 (2014.09~Present)고려대학교 공과대학 기계공학부 석박사 통합 과정이상준 (2015.03~Present)고려대학교 공과대학 기계공학부 석박사 통합 과정서병석 (2016.03~Present)고려대학교 공과대학 기계공학부 석박사 통합 과정서경범 (2016.09~Present)고려대학교 공과대학 기계공학부 석박사 통합 과정이재민 (2017.03~Present)고려대학교 공과대학 기계공학부 석박사 통합 과정김세준 (2017.03~Present)고려대학교 공과대학 기계공학부 석박사 통합 과정박성현 (2017.03~Present)고려대학교 공과대학 기계공학부 석박사 통합 과정이재호 (2018.03~Present)고려대학교 공과대학 기계공학부 석박사 통합 과정김태원 (2018.03~Present)고려대학교 공과대학 기계공학부 석박사 통합 과정차종환 (2018.03~Present)고려대학교 공과대학 기계공학부 석박사 통합 과정석사 과정 (MS Program)송찬호 (2016.03~Present)고려대학교 공과대학 기계공학부 석사 과정학부 연구생김남일고려대학교 공과대학 기계공학부 학부 과정신창민고려대학교 공과대학 기계공학부 학부 과정연구원차영선 (2018.01~Present)Alumni박태영 (2016.03~2018.02)석사 졸업 (고려대학교 공과대학 기계공학부)현소속: LG 화학강성구 (2016.03~2018.02)석사 졸업 (고려대학교 공과대학 기계공학부)현소속: LG 전자신중호 (2015.03~2017.02)석사 졸업 (고려대학교 공과대학 기계공학부)현소속: 현대자동차이승현 (2015.03~2017.02)석사 졸업 (고려대학교 공과대학 기계공학부)현소속: LG 전자박관우 (2014.03~2016.02)석사 졸업 (고려대학교 공과대학 기계공학부)현소속: Apple (애플)이상웅 (2012.12~2015.02)석사 졸업 (고려대학교 공과대학 기계공학부)현소속: 금호타이어이강열 PhD (2013.12~2016.06)박사 후 연구원 (고려대학교 공과대학 기계공학부)윤창석 (2013.09~2014.02)학부 연구원 (고려대학교 공과대학 기계공학부)임다현 (2013.06~2014.04)학부 연구원 (고려대학교 공과대학 기계공학부)박수정 (2014.03~2014.08)학부 연구원 (고려대학교 공과대학 기계공학부)