Unraveling the Mechanism of Molecular Doping in Organic Semiconductors

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...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2012-03, Vol.24 (12), p.1535-1539
Main Authors: Mityashin, Alexander, Olivier, Yoann, Van Regemorter, Tanguy, Rolin, Cedric, Verlaak, Stijn, Martinelli, Nicolas G., Beljonne, David, Cornil, Jérôme, Genoe, Jan, Heremans, Paul
Format: Article
Language:English
Subjects:
Electrons
molecular doping
Naphthacenes - chemistry
Nitriles - chemistry
organic semiconductors
Semiconductors
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Summary: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.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201104269