Structure Organic photochemistry and supramolecular chemistry

Organic photochemistry and supramolecular chemistry

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  • Publications
environmentalni chemie

The research of the photochemical group focuses on mechanistic organic photochemistry, emphasizing the use of photochemistry to solve interdisciplinary problems in chemistry, physics, and environmental sciences.

Flash kinetics methods are used to produce transient intermediates insufficient concentration for time-resolved spectroscopic detection and the identification of elementary reaction steps. The group also aims to understand photochemical and post-irradiation reactions in contaminated ice and snow. In this environmentally-relevant subject, the relation of the composition of the lower atmosphere to chemical changes occurring in polar snow is investigated. This research group is also involved in the design and development of photoactivatable compounds, moieties which irreversibly release a species possessing desirable physical, chemical, or biological qualities. Such compounds are currently of great interest in biochemical and biological applications and organic synthesis.

The supramolecular chemistry group deals with the synthesis and supramolecular properties of host molecules which are based on glycoluril. Cucurbiturils and glycoluriloligomers are investigated for their ability to form stable complexes with organic cations. Bambusurils are anion receptors recently introduced by our group.

More than 100 publications in high impact journals (46 publications in the last 5 years), 2 (1) books and 7 (3) book chapters have been published by the scientists from this programme. The application potential of their research was also reflected in one patent.

Research topics

  • Understanding the Mechanisms of Photochemical Reactions
  • Photochemistry of Organic Compounds in Ice and Snow
  • Environmental Photochemistry
  • Design of New Photoactivatable Compounds
  • Design, synthesis and characterization of new supramolecular assemblies

Research groups

  • Organic Photochemistry – Petr Klán
  • Supramolecular Chemistry – Vladimír Šindelář

Research Infrastructure

  • Nanosecond laser flash spectroscopy (500 ps Nd-YAG laser)
  • Pump-and-probe spectroscopy (150 fs Ti: sapphire laser)
  • Optical benches for fast transient kinetic measurements
  • UV/VIS/NIR absorption spectroscopy (transmission and reflectance measurements)
  • Spectrofluorimeter (excitation and emission spectra)
  • Optical benches for steady-state irradiation experiments
  • Laboratory of organic synthesis
  • Walk-in cold room and photochemical cryogenic photoreactors
  • NMR, GC, HPLC, GC-MS, HPLC-TOF, MALDI, and electrochemical instrumentation (shared)