Unraveling the mechanism of molecular doping in organic semiconductors

Alexander Mityashin, Yoann Olivier, Tanguy Van Regemorter, Cedric Rolin, Stijn Verlaak, Nicolas G. Martinelli, David Beljonne, Jérôme Cornil, Jan Genoe, Paul Heremans

Research output: Contribution to journalArticlepeer-review


The mechanism by which molecular dopants donate free charge carriers to the host organic semiconductor is investigated and is found to be quite different from the one in inorganic semiconductors. In organics, a strong correlation between the doping concentration and its charge donation efficiency is demonstrated. Moreover, there is a threshold doping level below which doping simply has no electrical effect.

Original languageEnglish
Pages (from-to)1535-1539
Number of pages5
JournalAdvanced materials
Issue number12
Publication statusPublished - 22 Mar 2012
Externally publishedYes


  • molecular doping
  • organic semiconductors


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