Invited:

  1. Seminar at Department of Physics in University of Nebraska-Lincoln, " Graphite oxides", Lincoln, NE, July 27, 2012.

  2. Colloquium at Department of Physics in Chonnam National University, " Properties and Applications of Graphite Oxides", KwangJu, Dec 01, 2011.

  3. Korean Society for Imaging Science and Technology, " Electronic and structural Properties of Graphite and Its applications", Pusan, Nov 18, 2011.

  4. Supercapacitor Network Meeting, "Graphite oxides for supercapacitors", invited by I. J. Kim, Gapyeong, June 24, 2011.

  5. Annual Summer Conference of The Korean Institute of Electrical and Electroni Material Engineers, "Graphene material for energy storage devices", Sokcho, June 22, 2011

  6. The 7th Summer Workshop of Semiconductor chapter of the Korean Vacuum Society, "Characteristics of Graphite Oxides", Gyeongju, 20 June, 2011.

  7. Sinsang middle school in Gyeongsan, "Graphene and Graphite Oxides", Gyeongsan, May 23,2011.

  8. Colloquium at Department of Physics in Kangwon National University, "Characteristics of Graphite Oxides", Chuncheon, May 19, 2011.

  9. Korean Research Institute of Chemical Technology (KRICT), invited by Dr. Jeong-O Lee, " Properties and Applications of Graphite Oxides", Daejeon, Apr. 6, 2011.

  10. Daegu, GyeongBuk Chapter of the Korean Physical Society Fall Meeting, "Electronic and Structural Properties of Graphite and Its Applications", Daegu Catholic University, Korea, Oct. 15, 2010.

  11. The 39th Summer Conference of the Korean Vacuum Society, "Properties and Applications of Graphite Oxide", Boryeong, ChungBuk, 무창포 비치팰리스, Aug. 20, 2010.

  12. The Korean Institute of Electrical and Electronic Material Engineers Spring meeting, "Properties and application of graphite oxide",한국전기연구원, Changwon, Korea, March 26, 2010.

  13. The 21th User's meeting of Pohang Accelerator Laboratory, “Synthesis and Properties of Graphite Oxides”, Pohang, Nov. 20, 2009.

  14. International Green Energy NanoCarbon Conference 09, “Enhanced Electric Double Layer Capacitance of Poly Sodium 4-Styrensulfonate/Graphene Oxide Electrode with High Cyclic Performance”, Jeonju, Nov. 6, 2009.

  15. 1 st SKKU Workshop on Graphene, invited by Center for Nanotubes and NanoComposites (CNNC), “Properties and Application of Graphite Oxides”, Suwon, Korea, May 29, 2009.

  16. Korean Carbon Society meeting, “Structure of Graphite Oxides”, Seoul, Korea, Nov 22, 2007.

  17. Korea Institute of Energy Research ( 한국에너지기술연구원 ), invited by Dr. Kyoung-Hee Shin, “ Structure of Graphite Oxides ” , DaeJeon, Dec 12, 2007

  18. Ecole Polytechnique Fidirale de Lausanne (EPFL), invited by Prof. Marco Grioni, “electron-phonon coupling in local moment systems”, Switzerland, May 19, 2004.

 

Contributed:

  1. NT12, "Electrochemical performance of a-cyclodextrin and CNT composites", Brisbane, Jun 24, 2012.

  2. NT12, "Stacking of waer molecules in hydrophilic graphene oxides characterized by KPFM", Brisbane, Jun 24, 2012.

  3. KPS spring meeting, " Electrochemical behavior of New PSSGO composites", Daejeon, Ari 25, 2012.

  4. KPS spring meeting, " Reduction of graphene oxide with Sodium Borohydride", Daejeon, Apr 25, 2012.

  5. KPS spring meeting, "Graphene oxide and cyclodextrin composites", Daejeon, Apr 25, 2012.

  6. The 42nd KVS winter meeting, "Thermal Analysis of Poly(Sodium 4-Styrenesulfonate) Intercalated Graphite Oxide Composites", PyeongChang, Feb 10, 2012.

  7. The 6th Daegu University-Saga University Joing Symposium, "Capacitive behavior of a-cyclodextrin and carbon nanotube composite in an aqueous electrolyte", Daegu University, Nov 01, 2011.

  8. KPS fall meeting, "Electrochemical performance of Poly Sodium 4-Styrenesulfonate Intercalated Graphite Oxide electrode in an aqueous electrolyte", Pusan, Oct 21, 2011.

  9. KPS fall meeting, "Unoccupied states of a poly sodium 4-styrenesulfonate intercalated graphite oxide", Pusan, Oct 19, 2011.

  10. KPS Daegu-GyeongBook Branch, "Electrochemical performance of a-cyclodextrin and carbon nanotube composite in an aqueous electrolyte", Daegu, Oct 14, 2011.

  11. KECS fall meeting," Electrochemical Performance of Poly Sodium 4-Styrenesulfonate Intercalated Graphite Oxide electrode in an Aqueous electrode", Daejeon, Oct 7, 2011.

  12. KECS fall meeting, " Studies of a Poly Sodium 4-Styrensulfonate Intercalated Graphite Oxide Electrode using X-ray Absorption spectroscopy", Daejeon, Oct 7, 2011.

  13. The 41th Korean Vacuum Society meeting, " X-ray absorption spectrosocpy of a poly sodium 4-styrensulfonate intercalated graphtie oxide electrode", Hae Kyung Jeong, Byeong-Gyu Park, Jae-Young Kim, and Han-Jin Noh, Daegu, Aug. 19, 2011.

  14. NT11, "Valence band of graphite oxides", Hae Kyung Jeong, Ki-jeong Kim, Cambridge, UK, July 13, 2011.

  15. American Physical Society March meeting, " Valence band of graphite oxides”, Hae Kyung Jeong, Ki-jeong Kim, Bongsoo Kim at Dallas, TX, March 24, 2011.

  16. The 40th Korean Vacuum Society meeting, "Valence band of graphite oxide", Hae Kyung Jeong, Ki-jeong Kim, Bongsoo Kim at Pyeong Chang, Korea, Feb 10, 2011.

  17. The 16th Nanotube Workshop, "Electronic structure of Viologen/Graphene" Hae Kyung Jeong, Ki-jeong Kim, Soo Min Kim, Young Hee Lee at YongPyeong, Korea, Jan. 16, 2011.

  18. Korean Physical Society Fall meeting, "Modification of the Electronic Structures of Graphene by Viologen", Hae Kyung Jeong, Ki-jeong Kim, Soo Min Kim, Young Hee Lee at Pyeong Chang, Phoenixpark, Korea, Oct 20, 2010.

  19. NT10: 11th International Conference on the Science and Application of Nanotubes 2010, "Enhanced Electric Double Layer Capacitance of PSSGO", Hae-Kyung Jeong, Montreal, Quebec, Canada, June 29, 2010.

  20. Material Research Society Fall meeting, “Enhanced Electric Double Layer Capacitance of Graphite Oxide intercalated by Poly Sodium 4-Styrensulfonate with High Cycle Stability”, Hae-Kyung Jeong , Meihua Jin, Eun Ju Ra, Kyu Yun Sim, Gang Hee Han, Sivaram Arepalli, Young Hee Lee at Boston, USA, Dec 02, 2009.

  21. Korean Physical Society Fall meeting, “Enhanced Electric Double Layer Capacitance of Poly Sodium 4-Styrensulfonate/Graphene Oxide Electrodes with High Cycle Stability”, Hae-Kyung Jeong , Meihua Jin, Eun Ju Ra, Kyu Yun Sim, Sivaram Arepalli, Young Hee Lee, ChangWon, Korea, Oct 22, 2009.

  22. NT09, “Tailoring the Characteristics of Graphite Oxides by Different Oxidation Times”, Hae-Kyung Jeong , Meihua Jin, Kang Pyo So, Seong Chu Lim, Young Hee Lee, Beijing, China, June 26, 2009.

  23. Korean Physical Society Spring meeting, “Structural Stability and Variable Dielectric Constant in Poly Sodium 4-Styrensulfonate Intercalated Graphite Oxide”, Hae-Kyung Jeong , Meihua Jin, Kay Hyeok An, Young Hee Lee, DaeJeon, Korea, Apr. 23, 2009.

  24. Korean Physical Society Fall meeting, “Tailoring the Characteristics of Graphite Oxides by Varying Oxygen Treatment Time”, Hae-Kyung Jeong , Mei Hua Jin, Kang Pyo So, Hong-Zhang Geng, Mun Seok Jeong, Seong Chu Lim, and Young Hee Lee, Gwangju, Korea, Oct 24, 2008.

  25. Korean Carbon Society meeting, “Synthesis, characterization and anomalous dielectric constant of PSS intercalated graphite oxide”, Hae-Kyung Jeong , Mei Hua Jin, Yun Pyo Lee, Eun Ju Ra, Eun Sung Kim, Jung Jun Bae, Jin Ho Jang, Sung Jin Kim, Ki Kang Kim, Kay Hyeok An, Jae Young Choi, Chong Yun Park, and Young Hee Lee, DaeJeon, Korea, April 10, 2008.

  26. American Physical Society March meeting, " X-ray absorption spectroscopy of graphite oxides”, New Orleans, LA, March 10, 2008

  27. Korean Carbon Society meeting,” Evidence of Nearly Flat Layers and AB stacking order of graphite oxides”, Seoul, Nov. 22, 2007

  28. Korean Physical Society Fall meeting, “Evidence of Nearly Flat Layers and AB stacking order of graphite oxides”, Jeju, Korea, Oct 18, 2007

  29. The 4th China-Korea Workshop on Nanotubes and Nanowires, “Synthesis and Characterization of graphite oxide”, Yanji, China, May 27-30, 2007

  30. American Physical Society March meeting, " ARPES Study of Spin Spiral States in TlCo2Se2", Baltimore, MD, March 16, 2006

  31. AVS 51st International Symposium, “Magnon-Plasmon interactions on Strained Ga(0001)/Mo (112)”, Anaheim, CA, November 15, 2004

  32. 64th Annual Physical Electronics Conference (PEC), “Spin Dependent Electron-Phonon coupling in Strained Gd(0001) thin Films”, Davis, California, June 22, 2004

  33. American Vacuum Society Fall meeting, "The Plasmons of ErAs(100)", Baltimore, November 6, 2003

  34. American Vacuum Society Fall meeting, "The Plasmons of ErAs(100)", Baltimore, November 4, 2003 (poster for Mort S. Traum Award)

  35. American Vacuum Society Fall meeting, "Lattice-Stiffening Transition in Gadolinium Chains on Furrowed (112) Surfaces", Baltimore, November 6, 2003

  36. American Physical Society March meeting, " W(112) clean and adsorbate covered - atomic and electronic structures", Austin, march 4, 2003

  37. American Vacuum Society Fall meeting, "The Anomalous Effective Surface Debye Temperature of ErAs(100)", Denver, 2002

  38. American Vacuum Society Fall meeting, "The Surface Sensitivity of the bands of Mo(112), San Francisco, 2001

  39. 36th Midwest Regional Meeting of the American Chemistry Society," The Surface Sensitivity of the bands of Mo(112)", Lincoln, October 12, 2001

  40. Sigma Xi Graduate Student Paper Competition, Nebraska Chapter "Induced Spin Polarization of Antimony Overlayer", Lincoln, April 14, 2001

  41. Material Research Society Spring Meeting, "Induced Spin Polarization of Sb", San Francisco, April 19, 2001

  42. Graduate Student Paper Competition of Society of Sigma Xi, "Spin polarization of NiMnSb", Lincoln, April 8, 2000

  43. American Physical Society March meeting, "The polarization of Sb overlayers on NiMnSb(100)", Minneapolis, March 21, 2000

  44. Rocky Mountain Chapter of the American Vacuum Society 2000 Annual Symposium, "Spin polarization of NiMnSb", Denver, August 24, 1999

  45. Nebraska Chapter 007 4th annual Sigma Xi Graduate Student Paper Competition, "The Mott detector", Lincoln, April 10, 1999