SNU Graphene Research Laboratory
Department of Chemistry, College of Natural Sciences
Seoul National University, Seoul, Korea

TEL : FAX: Email: byunghee_at_snu.ac.kr

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      - Prof. Byung Hee Hong (byunghee_at_snu.ac.kr)

      2011.09 - present. Associate Professor, Department of Chemistry, Seoul National University
      2007.09 - 2011.08. Assistant Professor, Department of Chemistry and SAINT, Sungkyunkwan University
      2004.03 - 2007.08 Post-Doc, Columbia University (Adviser: Philip Kim)
      2002.09 - 2004.02 Post-Doc, Pohang University of Science and Technology
      2000.03 - 2002.08 Ph. D., Physical Chemistry, Pohang University of Science and Technology (Adviser: Kwang S. Kim)

      Awards
      - 2009 POSCO Cheong-Am Bessemer Fellowship, TJ Park Foundation
      - 2010 SKKU Young Fellowship, Sungkyunkwan University
      - 2010 Joong-Ang Daily - Yumin Award of Science
      - 2011 Kyung-Ahm Prize of Natural Sciences

      Organizing Committee
      -2010 MRS spring meeting, San Francisco, Symposium Co-Chair
      - 2010 Recent Advances in Graphene and Related Materials, Co-Organizer
      - 2010 International Conference on Electronic Materials and Nanotechnology for
      Green Environment, Symposium Chair
      - 2011 Recent Progress in Graphene Research, Organizing Chair
      - 2011 EU Graphene 2020 Scientific Advisory Board
      - 2010 Dasan Conference on Graphene, Co-organizer
      - 2011 Nano Korea, Symposium Chair
      - 2011 Recent Progress in Graphene Research, Organizing Chair
      - 2012 Graphene Week, Organizing Committee

      Plenary/Keynote/Tutorial Talks
      - 2010 Recent Advances in Graphene and Related Materials (Keynote)
      - 2010 Korea Material Research Society Meeting (Plenary)
      - 2010 ISEPD, Chiang Mai, Thailand (Keynote)
      - 2010 ICNST 2010, Gwangju, Korea (Plenary)
      - 2010 Dasan Conference on Graphene, Jeju, Korea (Opening Keynote)
      - 2010 AVS Fall meeting, Albuquerque, NM (Tutorial)
      - 2011 NT11, Cambridge, UK (Tutorial)
      - 2011 Graphene 2011, Bilbao, Spain (Keynote)
      - 2011 15th International Conference on Thin Films, Kyoto, Japan (Plenary)
      - 2011 1st KSOE (Korea Socieity of Optoelectronics) Meeting (Plenary)

      Invited Talks
      - 2009 APS March Meeting, Pittsburgh, USA
      - 2010 Graphene Week, Maryland, USA
      - 2010 E-MRS Spring Meeting, Strasbourg, France
      - 2010 International Conference on Solid State Devices and Materials (SSDM), Tokyo, Japan
      - 2010 30th International Conference on the Physics of Semiconductors (ICPS), Seoul, Korea
      - 2010 Nobel Symposium on Graphene, Stockholm, Sweden
      - 2011 Graphene Week 2011, Obergurgl, Austria
      - 2011 APS March Meeting, Dallas, TX, USA
      - 2011 Graphene 2020: Opportunities for Europe, Brussels, Belgium
      - 2011 Baker Symposium: The Future of Graphene Chemistry, Cornell Univ., Ithaca, USA
      - 2011 Nature Conference "Graphene: The Road to Applications", Boston, USA (Overview)
      - 2011 IOP Topical Research Meetings on Physics: Graphene and Related Two-Dimensonal Materials, London, UK.

      Research Prof./Post-Doc/Staff
      - Dr. Hak Rim Jeon (Research Prof.)
      - Dr. Yong Jin Kim (Post-Doc., Jointly with Prof. Novoselov in Manchester Univ.)
      - Dr. Jae Sung Park (Post-Doc, Jointly with Prof. Kwang S. Kim in POSTECH)
      - Dr. Cheol Chung (Post-Doc)
      - Dr. Dong Ha Shin (Post-Doc)

      - Chang Yeon Cho (Research Staff)

      - Dong Sung Kim (Research Staff)
      - Dolly Shin (Research Scientist)

      - Joonhee Moon (Research Scientist)


      Ph.D. Students
      - Sukang Bae (SAINT)
      - Junmo Kang (Jointly with Y. J. Kim in SKKU)

      - Young Soo Kim (SNU Physics, Jointly with Y. Kuk)
      - Sang Jin Kim (SAINT)
      - Kyung Joon Choi (SAINT)
      - Soo Hyung Kang (SAINT)
      - Jae Chul Ryoo (SAINT)
      - Myung Jin Park (SKKU Chemistry)
      - Su Beom Park (SNU Chemistry)

      M.S. Students

      - Bora Lee (SKKU Chemistry)

      - Soo Yeon Son (SKKU Chemistry)
      - Mijin Lee (SKKU Chemistry)


      Undergraduate


      Alumni
      - Eun Sun Kim (SKKU Chemistry, M.S.) Hynix Semiconductor
      -
      Hye Ri Kim (SKKU Chemistry, M.S.)
      SK Innovation
      - Kyung Eun Kim (SKKU Chemistry, M.S.)
      Dongjin Semichem.
      -
      Myung Hee Jung (SAINT, M.S.) LG Electronics
      - Tian Lei (SAINT, M.S.)
      Samsung Electronics
      - Keun Soo Kim (Post-Doc & Research Prof.)
      Sejong Univ. (Assit. Prof)
      - Hyeong Keun Kim (SKKU Ph. D. student )
      Korea Electronics Technlogy Institute (KETI)
      - Sung Huh (Ph.D. candidate, POSTECH, Visiting)
      Northwestern Univ. (Hersam Group, Post-Doc)
      - Dr. Jung Mee Park (Research Prof.),
      Korea Institute of Advanced Study (KIAS)
      - Nayoung Kim (MS, SKKU Chemistry),
      Samsung TECHWIN
      - Sung Hyun Sim (MS, SKKU Chemistry)
      Samsung LED
      - Dae Hee Lee (Undergraduate, SKKU Chemistry)
      Samsung SDI
      - Jin Ho Kim (M.S. student, SAINT)
      Youlchon Co.
      - Chung Sun Lee (M.S. student, SKKU Chemistry)
      TORRAY KOREA
      - Bu Seo Choi (Undergraduate, SKKU Chemistry)
      KAIST
      - Saemi Lee (Undergraduate, SKKU Chemistry)
      SKKU Chemistry (MS Student)
      - Sang Woo Lee (Undergraduate, SKKU Physics)
      - Jung Hee Han (M.S. student, SAINT)
      Graphene SQ. INC.


Publication List

    • Submitted
    1. G.-X. Ni et al." Graphene-Ferroelectric Hybrid Structure for Flexible Transparent Electrodes " (submitted)
    2. Xiangfan Xu et al. " Phonon Transport in Suspended Single Layer Graphene " http://arxiv.org/abs/1012.2937 (submitted)
    3. A. Kulkarni et al." Photoresistivity and Optically Controlled Switching of Artificial DNA Lattices Functionalized Graphene" (submitted)
    4. J. Y. Lee et al. " Shape Engineering of Organic Nanostructures" (submitted)

    • 2012
    1. C. Yan et al. "Mechanical and Environmental Stability of Polymer Thin-Film-Coated Graphene" ACS Nano (ASAP).[pdf]
    2. H. Lee et al. "Graphene-Nanowire Hybrid Structures for High-performance Photoconductive Devices" J. Mater. Chem. (in press).
    3. D. Shin et al. "Synthesis and Applications of Graphene Electrodes" Carbon Letters (in press)
    4. A. Kulkarni et al. "Photoresistivity and optical switching of graphene with DNA lattices " Curr. Appl. Phys. 12, 623-627 (2012).[pdf]
    5. I. H. Baek et al. "Efficient Mode-Locking of Sub-70-fs Ti:Sapphire Laser by Graphene Saturable Absorber" Appl. Phys. Exp. 5, 032701 (2012).[pdf]
    6. J. Kim et al. "Effect of uni-axial strain on THz/far-infrared response of graphene " Appl. Phys. Lett. 100, 041910 (2012).[pdf]
    7. G.-X. Ni et al." Quasi-Periodic Nanoripples in Graphene Grown by Chemical Vapor Deposition and Its Impact on Charge Transport " ACS Nano 6, 1158?1164 (2012)[pdf]
    8. J. S. Park et al. "Single-Gate Bandgap Opening of Bilayer Graphene by Dual Molecular Doping" Adv. Mater. 24, 407-411 (2012).[pdf]
    9. W. S. Lim et al. "Atomic layer etching of graphene for full graphene device fabrication " Carbon 50, 429-435 (2012) [pdf]
    10. T.-H. Han, et al. "Extremely Efficient Flexible Organic Light-Emitting Diodes with Modified Graphene Anode" Nature Photonics 6, 105-110 (2012)[link]
    11. S. Bae et al. "Towards Industrial Applications of Graphene Electrodes " (Nobel Symposium Proceeding) Phys. Scr. T146 (2012).[pdf]

    • 2011
    1. S. Huh et al. " UV/Ozone-Oxidized Large-Scale Graphene Platform with Large Chemical Enhancement in Surface-Enhanced Raman Scattering" ACS Nano 5, 9799-9806 (2011).[pdf]
    2. J. Kang et al. "High-Performance Graphene-Based Transparent Flexible Heaters"Nano Lett.11, 5154-5158 (2011).[pdf]
    3. S. Lee et al. " Stretchable Graphene Transistors with Printed Dielectrics and Gate Electrodes "Nano Lett.11, 4642-4646 (2011).[pdf]
    4. W. B. Cho et al. "High-quality, large-area monolayer graphene for efficient bulk laser mode-locking near 1:25 ¥ìm " Optics Letters 36, 4089-4091 (2011) [pdf]
    5. H.-Y. Kwon et al. "Transparent active skin" Proceedings of SPIE - The International Society for Optical Engineering 7976, 79760T (2011)
    6. Hang Zhang et al." Detection of Acetone Vapor Using Graphene on Polymer Optical Fiber " J. Nanosci. Nanotechnol. 11, 5939~5943, (2011)[link]
    7. C.-H. Lee et al." Flexible inorganic nanostructure light-emitting diodes fabricated on graphene films " Adv. Mater. 23, 4614?4619 (2011).[pdf]
    8. K.-J. Yee et al. "Ultrafast modulation of optical transitions in monolayer and multilayer graphene" Carbon 49, 4781-4785 (2011).
    9. S. Y. Park et al." Enhanced Differentiation of Human Neural Stem Cells into Neurons on Graphene "Adv. Mater. 23, H263?H267 (2011).[pdf]
    10. A. Ferreira et al. " Transport properties of graphene with one-dimensional charge defects " Eur. Phys. Lett. 94 28003 (2011).[pdf].
    11. A. Avsar et al." Towards wafer scale fabrication of graphene based spin valve devices " Nano Lett.11, 2363-2368 (2011).[pdf]
    12. W. H. Lee et al. "Control of Graphene Field-Effect Transistors by Interfacial Hydrophobic Self-Assembled Monolayers" Adv. Mater. 23, 3460-3464 (2011).[pdf]
    13. Jooyoun Kim et al." Far-infrared study of substrate-effect on large scale graphene " Appl. Phys. Lett. 98, 201907 (2011)[pdf]
    14. T. Nayak et al." Graphene for Controlled and Accelerated Osteogenic Differentiation of Human Mesenchymal Stem Cells "ACS Nano  5, 4670-4678 (2011).[pdf]
    15. S. Huh et al." Selective N-type Doping of Graphene by Photo-patterned Gold Nanoparticles " ACS Nano 5, 3639-3644(2011). [pdf]
    16. J. Park* ,W. H. Lee* et al. "Work-function engineering of graphene electrodes by self-assembled monolayers for high-performance organic field-effect transistors", J. Phys. Chem. Lett. 2 841-845 (2011).[pdf]
    17. Yi Zheng et al. et al. "Wafer-scale graphene/ferroelectric hybrid devices for low voltage electronics", Euro. Phys. Lett. 93, 17002 (2011).[pdf]
    18. C. Lee et al. et al. "Optical response of large scale single layer graphene" Appl. Phys. Lett. 98, 071905 (2011).[pdf]
    19. W. H. Lee*, J. Park* et al. " Transparent Flexible Organic Transistors based on Monolayer Graphene Electrodes on Plastic". Adv. Mater . 23, 1752-1756 (2011) [pdf]
    20. W. H. Lee*, J. Park* et al. " Surface-Directed Molecular Assembly of Pentacene on Monolayer Graphene for High-Performance Organic Transistors". J. Am. Chem. Soc. 233, 4447-4454 (2011).[pdf]
    21. Shou-En Zhu et al. "Graphene-Based Bimorph Microactuators". Nano Lett. 11, 977-981 (2011).[pdf]
    22. H. Kim*, K. S. Kim* et al. "Flow-dependent directional growth of carbon nanotube forests by chemical vapor deposition". Nanotechnology 22, 095303 (2011).[pdf]
    23. H. Kim et al. "Synthesis of Ultra-Long Super-Aligned Double-Walled Carbon Nanotube Forests" J. Nanosci. Nanotechnol. 11 470-473 (2011)[pdf].
    • 2010
    1. S. Jang et al. " Flexible, transparent single-walled carbon nanotube transistors with graphene electrodes ". Nanotechnology 21, 425201 (2010) [pdf].
    2. B. J. Kim et al. " High-performance Flexible Graphene Field Effect Transistors with Ion Gel Gate Dielectrics ". Nano Lett. 10, 3464 (2010). [pdf].
    3. Sung Won Hwang et al. "Plasmon-Enhanced Ultraviolet Photoluminescence from Hybrid Structures of Graphene/ZnO Films". Phys. Rev. Lett. 105, 127403 (2010).[pdf]
    4. K. Ihm et al. "Number of graphene layers as a modulator of the open-circuit voltage of graphene-based solar cell" Appl. Phys. Lett. 77, 032113 (2010) [pdf].
    5. S. Bae*, H. Kim*et al. "Roll-to-roll production of 30 inch graphene films for transparent electrodes" Nature Nanotech. 5, 574 (2010) [pdf] (Cover Article).
    6. Gunho Jo et al. "Large-scale Patterned Graphene as Transparent Conducting Electrodes for GaN Light-emitting Diodes", Nanotechnology 21, 17520 (2010) [pdf].
    7. N. Kim et al. "Effect of Gold Substrates on the Raman Spectra of Graphene" Bull. Kor. Chem. Soc. 31, 999 (2010) [pdf].
    8. Y. Lee et al. "Wafer-Scale Synthesis and Transfer of Graphene Films." Nano Lett. 10 490-493 (2010) [pdf].
    9. Y.-T. Kim et al. "Electrochemical deposition of CdSe quantum dot arrays on large-scale graphene electrodes using mesoporous silica thin film templates" Adv. Mater. 22 515-518 (2010) [pdf].


    • ~2009 (Selected)
    1. J. Y. Lee et al. "Near-field focusing and magnification through self-assembled nanoscale spherical lenses" Nature 460, 498 (2009) [pdf].
    2. K. S. Kim et al. "Large-Scale Pattern Growth of Graphene Films for Stretchable Transparent Electrodes." Nature 457, 706 (2009) [pdf].
    3. M. Purewal, B. H. Hong, A. Ravi, B. Chandra, J. Hone, and P. Kim "Scaling of Resistance and Electron Mean Free Path of Single-Walled Carbon Nanotubes" Phys. Rev. Lett, 98, 186808 (2007).
    4. X. Guo et al. "Covalently Bridging Gaps in Single-Walled Carbon Nanotubes with Conducting Molecules." Science 311, 356 (2006).
    5. B. H. Hong et al. "Quasi-Continuous Growth of Ultralong Carbon Nanotube Arrays." J. Am. Chem. Soc. 127, 15336 (2005).
    6. B. H. Hong et al. "Extracting Subnanometer Single Shells from Ultralong Multiwalled Carbon Nanotubes." Proc. Nat. Aca. Sci. USA 102, 14155 (2005).
    7. B. H. Hong et al. "Self-Assembled Organic Nanotube Arrays with Infinitely Long One-Dimensional H-Bonds." J. Am. Chem. Soc. 123, 10748 (2001).
    8. B. H. Hong et al. "Ultrathin Single-crystalline Silver Nnowire Arrays Formed in an Ambient Solution Phase." Science 294, 348 (2001) (Cover Article)

       

NEWS & Notice

- Nanotechnology: Graphene touch (Nature) - Graphene Finally Goes Big (Science)
- Touchscreen made from biggest graphene sheet (New Scientist) - Flexible Touch Screen Made with Printed Graphene (Tech. Review)
- First graphene touchscreen (Chemistry World) - An Unbreakable Touch Screen for Your Phone (Discovery News)

 

- Big Graphene (Chemical & Engineering News) - Graphene production goes industrial

 

 

 
- Bendy gadget future for graphene (BBC News) - Graphene electrode promises stretchy circuits (Nature News )
- With an Ultrathin Film, a Big Step Forward for Flexible Electronics (NY Times) - Bigger, Stretchier Graphene (Technology Review)
- Bend, fold and stetch. Nature 457, 274 (2009) (News & Views) Bendy computers of the future will be worn as wristbands (daily mirror)

 

- Graphene from gases for new, bendable electronics (Science news) New Way to Make Graphene Could Lead to Transparent, Bendable Electronics (Discover Magazine)

- Preparing Large High-Quality Graphene Films (C&EN) - Graphene: Carbon As Thin As Can Be (C&EN Cover Story)

- Graphene: Flexible Approach (Nature Asia) - Graphene gets ready for the big time

 

 

Research Interest

Nanomaterials Synthesis

  • Large-scale grahene films
  • Carbon nanotubes (CVD growth of single- and multi-walled CNTs)
  • Self-assembled organic nanomaterials (nanotubes, lenses, and spheres)
  • Nanowires & metal-organic core-shell nanostructures (Au, Ag, Pt, Pd)
     

Nanofabrication and characterization

  • Electron-beam lithography techniques for molecular electronics
  • Photolithography Low-temperature measurement of electron-transport properties
  • Low-temperature measurement of magnetic properties
     

Nano-analysis

  • High-Resolution Transmission Electron Microscopy (SAPD, EDX, EELS).
  • Scanning Electron Microscopy (EDX), Scanning Raman Spectroscopy
  • Atomic Force Microscopy (Nanolithography).
     

Quantum mechanics and molecular dynamics simulation

  • Time-dependent electromagnetic simulation of nano-optical structures
  • Thermodynamic and kinetic studies of self-assembling processes.
  • Computer-aided modeling and analysis of bio-molecular structures
     

 

 

Research Facilities

 

     

 

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