Jihyun Kim
Ph.D., University of Florida
Primary Research Area : Energy devices, Semiconductors Characterization and Process
Office : Engineering Building, 707 (TEL) 3290-3291
E-mail : hyunhyun7@korea.ac.kr
 
Education
 
- 2000 B.S. Department of Chemical Engineering, Seoul National University
- 2004 Ph.D. Department of Chemical Engineering, University of Florida
- 2004 - 2006 : Post Doc. US Naval Research Laboratory
- 2006 - Present : Professor, Dept. of Chemical and Biological Engineering, Korea Univeristy
 
Research Area
 
- Energy Materials / Devices (LEDs and Solar Cells)
- Graphene-based Devices
- Optical / Electrical Characterizations of the Electronic Materials
- Radiation Hardness
- Nanosensors
 
Publications
 

- H.-Y. Kim, C. F. Lo, L. Liu, F. Ren, J. Kim and S. J. Pearton, ¡°Proton-irradiated InAlN/GaN high electron mobility transistors at 5, 10, and 15 MeV energies¡±, Applied Physics Letters, 100, 012107 (2012)

- Byung-Jae Kim, Chongmin Lee, Younghun Jung, Kwang Hyeon Baik, Michael A. Mastro, Jennifer K. Hite, Charles R. Eddy Jr, and Jihyun Kim, "Large-area transparent conductive Few-Layer Graphene electrode in GaN-based Ultra-Violet Light-Emitting Diodes", Applied Physics Letters 99, 143101 (2011) Selected for Virtual Journal of Nanoscale Science & Technology; Highlighted in Semiconductor Today (2011 November issue)

- Geunwoo Ko, Younghun Jung, Kwan-Young Lee, Kibong Lee, Jihyun Kim, ¡°Improved sorption characteristics of NH3 molecules on the solution-processed graphene sheets¡±, Journal of Crystal Growth, 326, 208 (2011).

- Jaehui Ahn, Michael A. Mastro, Paul B. Klein, Jennifer K. Hite, Boris Feigelson, Charles R. Eddy, Jr., and Jihyun Kim, "Single n-GaN Microwire / p-Silicon Thin Film Heterojunction Light-Emitting Diode", Optic Express, 19, 21692 (2011)

- Chongmin Lee, Byung-Jae Kim, Fan Ren, Stephen J. Pearton, and Jihyun Kim, "Large-area Suspended Graphene on GaN Nanopillars", Journal of Vacuum Science and Technology B 29, 060601 (2011).

- Jaehui Ahn, Hyunik Park, Michael A. Mastro, Jennifer K. Hite, Charles R. Eddy, Jr., and Jihyun Kim, ¡°Nanostructured n-ZnO / thin film p-silicon heterojunction light-emitting diodes¡±, Optics Express, 19, 26006 (2011).

- Byung-Jae Kim, and Jihyun Kim, ¡°Fabrication of GaAs subwavelength structure (SWS) for solar cell applications", Optics Express, 19, S3, A326 (2011)

- Michael A. Mastro, Hong-Yeol Kim, Jaehui Ahn, Blake Simpkins, Pehr Pehrsson, Jihyun Kim, Jennifer K. Hite, and Charles R. Eddy, Jr., "Polarization and Space-Charge-Limited Current in ¥²-Nitride Heterostructure Nanowires", IEEE Transactions on Electron Devices, 58, 10, 3401 (2011)

- H.-Y. Kim, J. A. Freitas, Jr. and J. Kim, "Probing proton irradiation effects in GaN by micro-Raman spectroscopy", Europhysics Letters, 96, 26004 (2011)

- Younghun Jung and Jihyun Kim, "Formation of Ni-Silicide at the Interface of Ni/4H-SiC", Journal of The Electrochemical Society, 158(5), H551-H553(2011)

- Byung-Jae Kim, Younghun Jung, Michael A. Mastro, Jennifer Hite, Neeraj Nepal, Charles R. Eddy Jr., Jihyun Kim, "Emission Enhancement from Non-polar a-plane ¥²-Nitride Nanopillar", Journal of Vacuum Science and Technology B, 29 (2), 021004 (2011)

- Hong-Yeol Kim, Jaime A. Freitas, Jihyun Kim, "Penetration effects of high-energy protons in GaN: a micro-Raman spectroscopy study", Electrochemical and Solid State Letters, 14 (1), H5-H8(2011)

- Jaehui Ahn, Michael A. Mastro, Jennifer Hite, Charles R. Eddy, Jr. and Jihyun Kim, "Violet Electroluminescence from p-GaN Thin Film / n-GaN Nanowire Homojunction", Applied Physics Letters 96, 132105 (2010)

- Jaehui Ahn, Michael A. Mastro, Jennifer Hite, Charles R. Eddy, Jr. and Jihyun Kim, "Electroluminescence from ZnO Nanoflowers / GaN Thin Film P-N Hterojunction", Applied Physics Letters, 97, 082111 (2010)

- Byung-Jae Kim, Michael A. Mastro, Jennifer Hite, Charles R. Eddy, Jr. and Jihyun Kim, "Transparent conductive graphene electrode in GaN-based ultra-violet light emitting diodes", Optics Express, 18, 22, 23030 (2010)

- Byung-Jae Kim, Joona Bang, Sung Hyun Kim and Jihyun Kim, "Enhancement of the light-extraction efficiency of GaN-based light-emitting diodes using a Benzocyclobutene-based Graded-Refractive-Index Layer", Journal of The Electrochemical Society, 157 (4), H449-H451 (2010)

- Younghun Jung, Kwang Hyeon Baik, Fan Ren, Stephen J. Pearton and Jihyun Kim, "Effects of Photo Electrochemical Etching of N-polar and Ga-polar Gallium Nitride on Sapphire Substrates", Journal of The Electrochemical Society, 157 (6), H676-H678 (2010)

- Geunwoo Ko, Younghun Jung and Jihyun Kim, "Peak Channel Temperature of Graphene-based Transistors", Journal of Nanoscience and Nanotechnology, vol. 10, pp. 4889-4892 (2010)

- Jaehui Ahn, Geunwoo Ko, Jihyun Kim, Michael A. Mastro, Jennifer Hite, Charles R. Eddy, Jr., "Controlled Fabrication of Gallium Nitride Nano- and Micro- Wires by Dielectrophoretic Force and Torque", Current Applied Physics, vol. 10, pp. 703-707 (2010)

- Younghun Jung, Michael Mastro, Jennifer Hite, Charles R Eddy and Jihyun Kim, "Electrical and Structural Characterizations of Non-polar AlGaN/GaN Heterostructures", Thin Solid Films, 518 pp.1747-1750 (2010)

- Byung-Jae Kim, Joona Bang, Sung Hyun Kim and Jihyun Kim, "Optical Characterizations of GaN Nanorods fabricated by Natural Lithography ", The Korean Journal of Chemical Engineering, 27(2), 693-696 (2010)

- G. Ko, H.-Y. Kim, J. Ahn, Y. -M. Park, K.-Y. Lee and J. Kim, "Graphene-based Nitrogen Dioxide Gas Sensors", Current Applied physics, vol. 10, pp. 1002-1004 (2010)

- G. Ko, H.-Y. Kim, F. Ren, S. J. Pearton and J. Kim, "Electrical Characterization of 5 MeV Proton-Irradiated Few Layer Graphene", Electrochemical and Solid-State Letters, vol.13 pp.K32-K34 (2010) Selected for Virtual Journal of Nanoscale Science & Technology

- Hong-Yeol Kim, F. Ren, Jihyun Kim, and Soohwan Jang, "Effect of neutron irradiation on electrical and optical properties of InGaN/GaN light-emitting diodes", Journal of Vacuum Science and Technology B, 28(1), pp. 27-29 (2010)

- B. J. Kim, J. Bang, S. Jang, D. Kim, J. Kim, "Surface texturing of GaAs using a Nanosphere Lithography Technique for Solar Cell Applications", Thin Solid Films, 518, 6583(2010).

- Younghun Jung, Jihyun Kim, Soohwan Jang, Kwang Hyeon Baik, Yong Gon Seo and Sung-Min Hwang, "Enhanced Light Extraction of Nonpolar a-plane (11-20) GaN Light Emitting Diodes on Sapphire Substrates by Photo-Enhanced Chemical Wet Etching", Optics Express, Vol. 18, No.9, pp.9728-9732 (2010)

- Younghun Jung, Michael Mastro, Jennifer Hite, Charles R. Eddy Jr. and Jihyun Kim, "Post-Annealing Behavior of Ni/Au Schottky Contact on Non-Polar a-plane GaN", Thin Solid Films, Vol. 518 (20), pp.5810-5812 (2010)