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Molecular Conformation and Organic Photochemistry

Time-resolved Photoionization Studies

  • Book
  • © 2012

Overview

  • Nominated by the University of Copenhagen as outstanding thesis
  • Investigates how molecular rearrangements and chemical reactions compete on different time-scales after photo-excitation
  • Explores with a great variety of methods unknown ways of energy transfer trough conformational changes or chemical reactivity
  • Includes supplementary material: sn.pub/extras

Part of the book series: Springer Theses (Springer Theses)

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Table of contents (10 chapters)

  1. Ultrafast Photochemistry

  2. Ultrafast photochemistry

  3. Theory

  4. Experiments

  5. Conclusion

Keywords

About this book

Rasmus Brogaard's thesis digs into the fundamental issue of how the shape of a molecule relates to its photochemical reactivity. This relation is drastically different from that of ground-state chemistry, since lifetimes of excited states are often comparable to or even shorter than the time scales of conformational changes. Combining theoretical and experimental efforts in femto-second time-resolved photoionization Rasmus Brogaard finds that a requirement for an efficient photochemical reaction is the prearrangement of the constituents in a reactive conformation.
Furthermore, he is able to show that by exploiting a strong ionic interaction between two chromophores, a coherent molecular motion can be induced and probed in real-time. This way of using bichromophoric interactions provides a promising strategy for future research on conformational dynamics.

Authors and Affiliations

  • Catalysis, Department of Chemical Engineering, SUNCAT Center for Interface Science and, Stanford, USA

    Rasmus Y. Brogaard

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