Invited talk
16. Oh-Hoon Kwon, “Four-Dimensional Electron Tomography,” Workshop on Ultrafast Electron Sources for Diffraction and Microscopy Applications, UCLA, Los Angeles, CA, USA (December, 2012)
15. Oh-Hoon Kwon, “Ultrafast Spectroscopy and Electron Microscopy,” School of Chemistry, Seoul National University, Seoul, Korea (November, 2012)
14. Oh-Hoon Kwon, “Ultrafast Spectroscopy and Electron Microscopy: Applications in Chemical and Materials Sciences,” Graduate School of EEWS, KAIST, Daejeon, Korea (June, 2012)
13. Oh-Hoon Kwon, “Ultrafast Spectroscopy and Electron Microscopy: Applications in Chemical, Biological, and Materials Sciences,” School of Nano-Bioscience and Chemical Engineering, Ulsan National Institute of Science and Technology, Ulsan, Korea (May, 2012)
12. Oh-Hoon Kwon and Ahmed H. Zewail, “Four-Dimensional Electron Tomography,” 10th International Conference on Femtochemistry (Femto10), Madrid, Spain (July, 2011)
11. Oh-Hoon Kwon, “4D Electron Microscopy: Development and Application toward Structural Dynamics of Nanomaterials and Macromolecules,” The 18th Annual Meeting for Korean Society of Photoscience, Sogang University, Seoul, Korea (June, 2011)
10. Oh-Hoon Kwon, “4D Electron Microscopy: Development and Application toward Structural Dynamics of Nanomaterials and Macromolecules,” Spring 2011 Department of Chemistry Seminar Series, Sungkyunkwan University, Suwon, Korea (June 2011)
9. Oh-Hoon Kwon, “4D Electron Microscopy: Development and Application toward Structural Dynamics of Nanomaterials and Macromolecules,” Spring 2011 Department of Applied Chemistry Seminar Series, Kyung Hee University, Suwon, Korea (June 2011)
8. Oh-Hoon Kwon, “4D Electron Microscopy: Development and Application toward Structural Dynamics of Nanomaterials and Macromolecules,” Spring 2011 Interdisciplinary School of Green Energy Seminar Series, Ulsan National Institute of Science and Technology, Ulsan, Korea (May, 2011)
7. Oh-Hoon Kwon, “4D Electron Microscopy: Development and Application toward Structural Dynamics of Nanomaterials and Macromolecules,” Spring 2011 Department of Chemistry Seminar Series, Chungbuk National University, Chungju, Korea (May, 2011)
6. Oh-Hoon Kwon, “4D Electron Microscopy: Development and Application toward Structural Dynamics of Nanomaterials and Macromolecules,” Spring 2011 Graduate School of EEWS Seminar Series, KAIST, Daejeon, Korea (May, 2011)
5. Oh-Hoon Kwon, “Time-Resolved Imaging by Ultrafast Electron Microscopy,” Special Seminar, Department of Chemistry, KAIST, Daejeon, Korea (December, 2008)
4. Oh-Hoon Kwon, “Time-Resolved Imaging by Ultrafast Electron Microscopy,” Center for Molecular Dynamics Seminar, School of Chemistry, Seoul National University, Seoul, Korea (December, 2008)
3. Oh-Hoon Kwon, “Time-Resolved Imaging by Ultrafast Electron Microscopy,” Special Seminar, Samsung Advanced Institute of Technology, Samsung Electronics, Suwon, Korea (December, 2008)
2. Oh-Hoon Kwon, “Time-Resolved Imaging by Ultrafast Electron Microscopy,” Special Seminar, Department of Chemistry, Korea University, Seoul, Korea (November, 2008)
1. Oh-Hoon Kwon, “Time-Resolved Imaging by Ultrafast Electron Microscopy,” Special Seminar, Department of Chemistry, Postech, Pohang, Korea (November, 2008)
Presentation (international)
14. Oh-Hoon Kwon, Young-Shin Lee, Sun Young Park, and Du-Jeon Jang, “Excited-State Triple Proton Relay in the Cyclic Complexes of 7-Hydroxyquinoline-(alcohol)2,” 233rd ACS National Meeting, Chicago, Illinois, USA (2007)
13. Sanghyuk Park, Oh-Hoon Kwon, Jangwon Seo, Young-Shin Lee, Du-Jeon Jang, Soo Young Park, “Delayed Fluorescence from the Novel Class of Imidazole-Containing Excited-State Intramolecular Proton Transfer Molecules,” 231st ACS National Meeting, Atlanta, Georgia, USA (2006)
12. Oh-Hoon Kwon and Du-Jeon Jang, “Alcohol-Mediated Excited-State Proton Transfer of 7-Azaindole,” 11th Asian Chemical Congress, Seoul, Korea (2005)
11. Oh-Hoon Kwon, Young-Shin Lee, Byung Kuk Yoo, Du-Jeon Jang, “Excited-State Triple Proton Transfer of 7-Hydroxyquinoline along a Hydrogen-Bonded Alcohol Chain: Vibrationally-Assisted Proton Tunneling,” 11th Asian Chemical Congress, Seoul, Korea (2005)
10. Sanghyuk Park, Sehoon Kim, Oh-Hoon Kwon, Du-Jeon Jang, Sangwoo Park, Moon-Gun Choi, and Soo Young Park, “A Novel Class of Imidazole-Containing Excited-State Intramolecular Proton Transfer Materials: Synthesis and Amplified Spontaneous Emission from a Single Crystal,” Material Research Society, San Francisco, California, USA (2005)
9. Oh-Hoon Kwon and Du-Jeon Jang, “Proton Relay Dynamics of Methanol in the Tautomerization of Excited 7-Azaindole in Reverse-Micellar Nanopools,” Gordon Research Conference 2004 (Isotopes in Biological and Chemical Sciences), California, USA (2004)
8. Young-Shin Lee, Oh-Hoon Kwon, Han Jung Park, and Du-Jeon Jang, “Anomalously Large Kinetic Isotope Effect in the Excited-State Tautomerization of 1:1 7-Azaindole-Alcohol Complexes,” Gordon Research Conference 2004 (Isotopes in Biological and Chemical Sciences), California, USA (2004)
7. Han Jung Park, Oh-Hoon Kwon, Chil Seong Ah, and Du-Jeon Jang, “Excited-State Proton Transfers of 7-Hydroxyquinoline in β-Cyclodextrin Nanocavities,” Gordon Research Conference 2002 (Isotopes in Biological and Chemical Sciences), California, USA (2004)
6. Sehoon Kim, Seung Yeul Ryu, Jangwon Seo, Soo Young Park, Young-Woon Kim, Oh-Hoon Kwon, Du-Jeon Jang, “Highly Fluorescent Organogel from Nonfluorescent Gelator: Fibrillar Self-Assembly and Fluorescence Generation through Intermolecular Hydrogen Bond of Oxadiazole-Based Benzene-1,3,5-tricarboxamide,” 226th ACS National Meeting, New York, NY, USA (2003)
5. Taeg Gyum Kim, Oh-Hoon Kwon, and Du-Jeon Jang, “Migration of Hydrated Proton Clusters and Catalytic Roles of Water Prototropic Species in the tautomerization of Excited 6-Hydroxyquinoline,” Gordon Research Conference 2002 (Isotopes in Biological and Chemical Sciences), California, USA (2002)
4. Oh-Hoon Kwon, Taeg Gyum Kim, and Du-Jeon Jang, “Solvent Structural Dynamics in the Concerted Proton Transfer of Excited 7-Hydroxyquinoline in an AOT Nanoreactor,” Gordon Research Conference 2002 (Isotopes in Biological and Chemical Sciences), California, USA, (2002)
3. Sunbae Lee, Oh-Hoon Kwon, and Du-Jeon Jang, “Progressive Rearrangement of Subtilisin Carlsberg into Orderly and Inflexible Conformation with Ca2+ Binding,” Biophysical Society 46th Annual Meeting, California, USA (2002)
2. Oh-Hoon Kwon, Hyojong Yoo, Kyuchan Park, and Du-Jeon Jang, “Anionic and Upper-Excited Fluorescence of C60 Encapsulated in Y Zeolitic Nanocavity,” 222nd ACS National Meeting, Illinois, USA (2001)
1. Oh-Hoon Kwon and Du-Jeon Jang, “Variable Photoluminescence and Dynamics of 7-Azaindole Embedded in Poly(2-hydroxyethyl methacrylate) Matrix,” Korea-Japan Joint Forum 2001: Organic Materials for Electronics and Photonics, Seoul, Korea (2001)