Journal
ORGANIC ELECTRONICS
Volume 13, Issue 5, Pages 905-913Publisher
ELSEVIER
DOI: 10.1016/j.orgel.2012.01.029
Keywords
Carrier injection; Organic devices; Bardeen tunnelling theory; Hopping rate; Polyfluorene
Funding
- Mircoelectronics Research and Development Centre of Iran
- research office of the K.N. Toosi University of Technology
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We have investigated the contact between a metal and an organic/polymeric (o/p) material and we have introduced a relation for carrier injection using Bardeen theory. A series of narrow barriers is considered in the semiconductor side to account for the localized nature of the carriers in the o/p material. As an application of the model, we have calculated the hopping rate of carriers in terms of the contact parameters. Also, we have discussed the hopping of carriers deep into the organic dielectric. Finally, we have explored the hopping rate in practical contacts between polyfluorene-based polymers and different electrodes. (C) 2012 Elsevier B.V. All rights reserved.
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