The origin of the Stokes shift. The line shapes of quantum well exciton absorption and photoluminescence spectra

Fang Yang, B. Henderson, K. P. O'Donnell

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

We present a model of exciton absorption and emission line shapes which predicts, inter alia, a linear relation between the absorption line width, Γ, and the Stokes shift, Δ, between the photoluminescence and the absorption peak energies: Δ = 0.6Γ. This prediction agrees very well with experimental results over two orders of magnitude.

Original languageEnglish
Pages (from-to)362-365
Number of pages4
JournalPhysica B: Physics of Condensed Matter
Volume185
Issue number1-4
DOIs
Publication statusPublished - 1 Apr 1993

Keywords

  • exciton absorption
  • stokes shift
  • photoluminescence

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