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Interchain charge transport in disordered pi-conjugated chain systems
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology, Computational Physics .
2002 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 66, no 8Article in journal (Refereed) Published
Abstract [en]

Intermolecular charge transport under the influence of an external electric field is simulated in systems of conjugated polymer chains. Disorder is included in our model by varying the interchain coupling. Without the external field present the charge is extended over several chains in regions of strong interchain coupling, i.e., diffusion across regions of low interchain coupling is not possible. In the presence of a sufficiently strong external electric field, the electrons can drift (tunnel) through such regions. The average time the charge spends in the most disordered regions is therefore negligible compared to the residing time of the electron in the more ordered regions.

Place, publisher, year, edition, pages
2002. Vol. 66, no 8
National Category
Engineering and Technology
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URN: urn:nbn:se:liu:diva-47853DOI: 10.1103/PhysRevB.66.085208OAI: oai:DiVA.org:liu-47853DiVA: diva2:268749
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2017-12-13

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Stafström, Sven

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