Chemisorptive luminescence of crystals in molecular beams of oxygen

V. P. Grankin, I. A. Nikolaev, V. V. Styrov, Yu I. Tyurin

Research output: Contribution to journalArticle

Abstract

The investigation carried out, as well as the data previously obtained by us and other investigators, show that chemisorptive luminescence and, therefore, the "capture" of chemical energy by the surface and its prolonged existence in the form of excited states are widely encountered phenomena [36]. Energy can be maintained for a far longer time in electronic degrees of freedom than in vibrational degrees of freedom (τ>10-8 sec). In nonluminescing systems (most catalysts) it can easily be used for activation of subsequent chemical-reaction acts. This provides a new approach to the old problem of energy recovery in catalysis. When τ has a large value, energy chains and avalanche-like chemical processes can appear on a surface. The same processes may be responsible for unstable and oscillatory phenomena of a definite type. The investigation of the mechanisms of chemisorptive luminescence, i.e., the electronic excitation of solids in heterogeneous chemical reactions is, thus, of considerable interest for the theory and practice of adsorption, catalysis, chemical lasers, etc.

Original languageEnglish
Pages (from-to)593-606
Number of pages14
JournalTheoretical and Experimental Chemistry
Volume17
Issue number6
DOIs
Publication statusPublished - 1 Nov 1982

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Molecular beams
Catalysis
Luminescence
Chemical reactions
Chemical lasers
Oxygen
Crystals
Excited states
Chemical activation
Adsorption
Recovery
Catalysts

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Chemisorptive luminescence of crystals in molecular beams of oxygen. / Grankin, V. P.; Nikolaev, I. A.; Styrov, V. V.; Tyurin, Yu I.

In: Theoretical and Experimental Chemistry, Vol. 17, No. 6, 01.11.1982, p. 593-606.

Research output: Contribution to journalArticle

Grankin, V. P. ; Nikolaev, I. A. ; Styrov, V. V. ; Tyurin, Yu I. / Chemisorptive luminescence of crystals in molecular beams of oxygen. In: Theoretical and Experimental Chemistry. 1982 ; Vol. 17, No. 6. pp. 593-606.
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