Poole-Frenkel behavior of charge transport in organic solids with off-diagonal disorder studied by Monte Carlo simulation

L. Pautmeier, R. Richert, H. Bässler

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Abstract

By use of Monte Carlo simulation techniques it has been shown that inclusion of random variations of the wavefunction overlap parameter ('off-diagonal' disorder) generates Poole-Frenkel behavior of the charge-carrier mobility (μ) in random organic solids within an experimentally relevant range. The results are in quantitative agreement with experimental data, notably the work of Peled and Schein (Chem. Phys. Lett., 153 (1988) 422) reporting on a temperature-induced change of sign of the field dependence of μ.

Original languageEnglish (US)
Pages (from-to)271-281
Number of pages11
JournalSynthetic Metals
Volume37
Issue number1-3
DOIs
StatePublished - Aug 1 1990
Externally publishedYes

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ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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