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dc.contributor.authorNoriega, Rodrigo
dc.contributor.authorRivnay, Jonathan
dc.contributor.authorVandewal, Koen
dc.contributor.authorKoch, Felix P. V.
dc.contributor.authorStingelin, Natalie
dc.contributor.authorSmith, Paul
dc.contributor.authorToney, Michael F.
dc.contributor.authorSalleo, Alberto
dc.date.accessioned2016-02-25T12:29:38Z
dc.date.available2016-02-25T12:29:38Z
dc.date.issued2013-08-04
dc.identifier.citationNoriega R, Rivnay J, Vandewal K, Koch FPV, Stingelin N, et al. (2013) A general relationship between disorder, aggregation and charge transport in conjugated polymers. Nat Mater 12: 1038–1044. Available: http://dx.doi.org/10.1038/NMAT3722.
dc.identifier.issn1476-1122
dc.identifier.issn1476-4660
dc.identifier.pmid23913173
dc.identifier.doi10.1038/NMAT3722
dc.identifier.urihttp://hdl.handle.net/10754/597277
dc.description.abstractConjugated polymer chains have many degrees of conformational freedom and interact weakly with each other, resulting in complex microstructures in the solid state. Understanding charge transport in such systems, which have amorphous and ordered phases exhibiting varying degrees of order, has proved difficult owing to the contribution of electronic processes at various length scales. The growing technological appeal of these semiconductors makes such fundamental knowledge extremely important for materials and process design. We propose a unified model of how charge carriers travel in conjugated polymer films. We show that in high-molecular-weight semiconducting polymers the limiting charge transport step is trapping caused by lattice disorder, and that short-range intermolecular aggregation is sufficient for efficient long-range charge transport. This generalization explains the seemingly contradicting high performance of recently reported, poorly ordered polymers and suggests molecular design strategies to further improve the performance of future generations of organic electronic materials. © 2013 Macmillan Publishers Limited. All rights reserved.
dc.description.sponsorshipWe thank G. Rumbles for his comments in the preparation of this manuscript. We gratefully thank A. Facchetti and Z. Chen (Polyera, Skokie, IL), and I. McCulloch and M. Heeney (Imperial College, London) for supplying materials (P[NDI2OD-T2], P3HT, and PBTTT). This work is supported by the Center for Advanced Molecular Photovoltaics Award No. KUS-C1-015-21 made by King Abdullah University of Science and Technology (KAUST) (R.N., J.R., K. V., A. S.), and NSF (J.R., A. S.). N.S. acknowledges support by a European Research Council (ERC) Starting Independent Researcher Fellowship under the grant agreement No. 279587. Portions of this research were carried out at the Stanford Synchrotron Radiation Lightsource, a national user facility operated by Stanford University on behalf of the US Department of Energy, Office of Basic Energy Sciences.
dc.publisherSpringer Nature
dc.titleA general relationship between disorder, aggregation and charge transport in conjugated polymers
dc.typeArticle
dc.identifier.journalNature Materials
dc.contributor.institutionStanford University, Palo Alto, United States
dc.contributor.institutionDepartment of Materials Science and Engineering, Stanford, CA 94305, United States
dc.contributor.institutionEidgenossische Technische Hochschule Zurich, Zurich, Switzerland
dc.contributor.institutionImperial College London, London, United Kingdom
dc.contributor.institutionStanford Synchrotron Radiation Laboratory, Menlo Park, United States
dc.contributor.institutionUC Berkeley, Berkeley, United States
dc.contributor.institutionMines ParisTech, Paris, France
kaust.grant.numberKUS-C1-015-21
kaust.grant.fundedcenterCenter for Advanced Molecular Photovoltaics (CAMP)
dc.date.published-online2013-08-04
dc.date.published-print2013-11


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