Short CV/Education and training

  • 1986 – 1990
    B. Sc. in chemistry, Yonsei University, Seoul, South Korea

  • 1990 – 1992
    M. Sc. in physical chemistry, Yonsei University, Seoul, South Korea

  • 1992 – 1996
    PhD in physical chemistry, Oxford University, Oxford, UK

  • 1996 – 1998
    Postdoc in the Department of Chemistry, University of California, Irvine, USA

  • 1998 – 2000
    Postdoc with funding from the Alexander von Humboldt Foundation at the Institute of Physical Chemistry, University of Göttingen, Germany

  • 2000 – 2001
    Postdoc at the Max Planck Institute of Biophysical Chemistry, Göttingen

  • 2001 – 2008
    Habilitation (postdoctoral qualification)

  • 2001 – 2010
    Independent junior research group director (in the framework of the Humboldt Foundation's Sofja Kovalevskaja Programme and projects funded by the German Research Foundation (DFG), Institute of Physical Chemistry, University of Göttingen

  • Since 2010
    Head of an independent project group, physical chemistry, University of Siegen, Germany

Selected publications

  • Oum, K. et al.: 12'-Apo-β-caroten-12'-al: An Ultrafast "Spy" Molecule for Probing Local Interactions in Ionic Liquids. In: Angew. Chem. Int. Ed. 49, 2010. p. 2230.

  • Lenzer, T. et al.: Rotational and Vibrational Cooling in Pulsed High-Pressure Molecular Beam Expansions from 3 bar into the Supercritical Regime. In: J. Phys. Chem. A 114, 2010. p. 6377.

  • Dvoák, M. et al.: Ultrafast intramolecular electronic energy transfer in rigidly linked aminopyrenyl-aminobenzanthronyl dyads – a femtosecond study. In: Phys. Chem. Chem. Phys. 11, 2009. p. 317.

  • Tietze, L.F. et al.: Synthesis of Chiroptical Molecular Switches by Pd-Catalyzed Domino Reactions. In: J. Am. Chem. Soc. 131, 2009. p. 17879.

  • Lohse, P.W. et al.: Exploring 12'-Apo-β-carotenoic-12'-acid as an Ultrafast Polarity Probe for Ionic Liquids. In: J. Phys. Chem. B 112, 2008. p. 3048.

  • Ehlers, F., Lenzer, T., Oum, K.: Excited State Dynamics of 12'-Apo-β-caroten-12'-al and 8'-Apo-β-caroten-8'-al in Supercritical CO2, N2O, and CF3H. In: J. Phys. Chem. B 112, 2008. p. 16690.

  • Bürsing, R., Lenzer, T., Oum, K.: Density dependence of optical Kerr lens signals in neat N2O and CO2. In: Chem. Phys. 331, 2007. p. 403.

  • Harrison, J.J. et al.: Online in-situ characterization of CO2 RESS processes for benzoic acid, cholesterol and aspirin. In: Green Chem. 9, 2007. p. 351.

  • Lee, C. et al.: Pressure and Temperature Dependence of the Recombination of p-Fluorobenzyl Radicals. In: J. Phys. Chem. A 110, 2006. p. 2613.

  • Kopczynski, M. et al.: Ultrafast transient lens spectroscopy of various C40 carotenoids: β-carotene, lycopene, (3R,3'R)-zeaxanthin, (3R,3'R,6'R)-lutein, echinenone, canthaxanthin, and astaxanthin. In: Phys. Chem. Chem. Phys. 7, 2005. p. 2793.

Selected projects

  • Time-resolved laser spectroscopy in various environments (gases, ionic fluids, supercritical fluids): carotenoid, optic switches

  • Atmospherically relevant radical reactions

  • Combustion reactions

Additional qualifications

  • Certificate for the 4-semester "Laser Technology" distance course, Friedrich Schiller University, Jena, Germany, 2002 – 2004


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