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Unified Description of Charge-Carrier Mobilities in Disordered Semiconducting Polymers
Open accessAbstract
From a numerical solution of the master equation for hopping transport in a disordered energy landscape with a Gaussian density of states, we determine the dependence of the charge-carrier mobility on temperature, carrier density, and electric field. Experimental current-voltage characteristics in devices based on semiconducting polymers are excellently reproduced with this unified description of the mobility. At room temperature it is mainly the dependence on carrier density that plays an important role, whereas at low temperatures and high fields the electric field dependence becomes important. Omission in the past of the carrier-density dependence has led to an underestimation of the hopping distance and the width of the density of states in these polymers.
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Cited by
Charge Transport in Organic Semiconductors
Coropceanu, V., Cornil, J., da Silva Filho, D. A., Olivier, Y., Silbey, R., & Brédas, J.-L. (2007) · Chemical Reviews · doi:10.1021/cr050140x · Cited by 4,607
Organic Photovoltaics over Three Decades
Inganäs, O. (2018) · Advanced Materials · doi:10.1002/adma.201800388 · Cited by 708
Simone, G., Dyson, M. J., Meskers, S. C. J., Janssen, R. A. J., & Gelinck, G. H. (2020) · Advanced Functional Materials · doi:10.1002/adfm.201904205 · Cited by 473
Unification of trap-limited electron transport in semiconducting polymers
Nicolai, H. T., Kuik, M., Wetzelaer, G. A. H., de Boer, B., Campbell, C., Risko, C., Brédas, J. L., & Blom, P. W. M. (2012) · Nature Materials · doi:10.1038/nmat3384 · Cited by 470
Self-citationNaber, W. J. M., Faez, S., & Wiel, W. G. V. D. (2007) · Journal of Physics D: Applied Physics · doi:10.1088/0022-3727/40/12/r01 · Cited by 459
Metadata
- Authors
- Pasveer, W. F., Cottaar, J., Tanase, C., Coehoorn, R., Bobbert, P. A., Blom, P. W. M., de Leeuw, D. M., & Michels, M. A. J.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2005-05-23
- Volume
- 94
- Issue
- 20
- Pages
- 206601-206601
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2155751906
- Cited by
- 971
- References
- 0
- FWCI
- 30.19
- Type
- journal article
- Language
- en
- Open access
- green
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- Pasveer, W. F., Cottaar, J., Tanase, C., Coehoorn, R., Bobbert, P. A., Blom, P. W. M., de Leeuw, D. M., & Michels, M. A. J. (2005). Unified Description of Charge-Carrier Mobilities in Disordered Semiconducting Polymers. Physical Review Letters. https://doi.org/10.1103/physrevlett.94.206601
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