Experimental determination of the triplet exciton intermolecular interaction matrix element and the exciton-phonon scattering rate in molecular crystals

D. D. Dlott, M. D. Fayer

Research output: Contribution to journalArticle

Abstract

An experiment method involving the temperature dependence of the intensity of trap emission is employed to determine the sign and magnitude of the nearest-neighbor intermolecular interaction matrix responsible for the triplet exciton transport and the number of wave vector states comprising the triplet exciton band in 1,2,4,5-tetrachlorobenzene. These quantities are utilized to obtain T2(T) from previously reported ESR data. Using T2(T) which is related to the rate of exciton inelastic scattering, the excition transport coherence length is calculated.

Original languageEnglish (US)
Pages (from-to)305-310
Number of pages6
JournalChemical Physics Letters
Volume41
Issue number2
DOIs
StatePublished - Jul 15 1976

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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