Communication

Unraveling the Mechanism of Molecular Doping in Organic Semiconductors

  1. Alexander Mityashin1,2,*,
  2. Yoann Olivier3,
  3. Tanguy Van Regemorter3,
  4. Cedric Rolin1,
  5. Stijn Verlaak1,
  6. Nicolas G. Martinelli3,
  7. David Beljonne3,
  8. Jérôme Cornil3,
  9. Jan Genoe1,
  10. Paul Heremans1,2,*

Article first published online: 23 FEB 2012

DOI: 10.1002/adma.201104269

Issue

Advanced Materials

Advanced Materials

Volume 24, Issue 12, pages 1535–1539, March 22, 2012

Additional Information

How to Cite

Mityashin, A., Olivier, Y., Van Regemorter, T., Rolin, C., Verlaak, S., Martinelli, N. G., Beljonne, D., Cornil, J., Genoe, J. and Heremans, P. (2012), Unraveling the Mechanism of Molecular Doping in Organic Semiconductors. Adv. Mater., 24: 1535–1539. doi: 10.1002/adma.201104269

Author Information

  1. 1

    Imec, Kapeldreef 75, Leuven, 3001, Belgium

  2. 2

    ESAT, Katholieke Universiteit Leuven, Kasteelpark Arenberg 10, Leuven, 3001, Belgium

  3. 3

    Laboratory for Chemistry of Novel Materials, University of Mons, Place du Parc 20, Mons, 7000, Belgium

*Imec, Kapeldreef 75, Leuven, 3001, Belgium.

Publication History

  1. Issue published online: 15 MAR 2012
  2. Article first published online: 23 FEB 2012
  3. Manuscript Received: 7 NOV 2011

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Keywords:

  • organic semiconductors;
  • molecular doping
Thumbnail image of graphical abstract

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.

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