Time-dependent non-equilibrium exciton diffusion in an organic glass

R. Richert, B. Ries, H. Bässler

Research output: Contribution to journalArticle

41 Scopus citations

Abstract

Decay of donor phosphorescence is used as a sensor for time-dependent diffusion of triplet excitons in an amorphous organic solid (benzophenone) where diagonal disorder of the hopping sites prevails. The exciton jump rate is found to follow a tα-1 law. Between 4·2 K and 100 K the dispersion parameter α increases from 0·25 to 0·55. The results are compared with computer simulations based on experimental data for the density-of-states distribution.

Original languageEnglish (US)
Pages (from-to)25-30
Number of pages6
JournalPhilosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties
Volume49
Issue number3
DOIs
StatePublished - Mar 1984
Externally publishedYes

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Physics and Astronomy(all)

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