9789401068765 - Relaxation Processes in Molecular Excited States (Physics and Chemistry of Materials with C:, Band 2) (4 Ergebnisse)

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Taschenbuch. Zustand: Neu. Relaxation Processes in Molecular Excited States | J. Fünfschilling | Taschenbuch | Physics and Chemistry of Materials with C: | 286 S. | Englisch | 2011 | Springer | EAN 9789401068765 | Verantwortliche Person für die EU: Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg, juergen[dot]hartmann[at]springer[dot]com | Anbieter: preigu.

Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - Relaxation phenomena of excited molecular states are abundant in all nature. They mediate such key processes as photochemical reactions or even the pathways of ordinary chemical reactions. However, for a long time the main research in electronic relaxation processes was concerned with anorganic solids, in part because of their great technological importance (photography, semiconductors . ) in part also because these compounds were the 'workhorses' of the solid state physicists. In the last 30 years, there was a steadily increasing interest in organic molecular systems, first in molecular crystals and later in all forms of molecular solids (glasses, polymers, membranes, . ). The present volume combines papers on quite different types of relaxation phenomena: the type of solid studied, the electronic states involved, the physical processes responsible for the relaxations are all different. Nevertheless, after reading this book, a more clear and complete picture of the phenomenon 'relaxa tion' emerges that proves that this volume is more than just a collection of individual articles. The volume starts with the paper 'Spin-lattice and spin-spin relaxation in photo-excited triplet states in molecular crystals' by Jan Schmidt. Even in these seemingly simple systems of isolated guest molecules in a single crystal host, the relaxation phenomena are quite involved and a very thorough investigation is necessary to find the key relaxation processes. The end of the article provides a bridge to the following paper: it treats interactions of two molecules (dimers), where resonant interactions become important and lead to new, characteristic relaxation processes.