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  Multi-length-scale relationships between the polymer molecular structure and charge transport: the case of poly-naphthalene diimide bithiophene

Fazzi, D., & Caironi, M. (2015). Multi-length-scale relationships between the polymer molecular structure and charge transport: the case of poly-naphthalene diimide bithiophene. Physical Chemistry Chemical Physics, 17(14), 8573-8590. doi:10.1039/C5CP00523J.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-30EB-C Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-30EC-A
Genre: Journal Article

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 Creators:
Fazzi, Daniele1, Author              
Caironi, Mario2, Author
Affiliations:
1Research Department Thiel, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445590              
2Center for Nano Science and Technology@PoliMi, Istituto Italiano di Tecnologia, via Pascoli, 70/3, 20133 Milano, Italy , ou_persistent22              

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 Abstract: Charge transport in organic polymer semiconductors is a complex phenomenon affected by structural and electronic properties ranging over different length scales, from the molecular one up to the macro-scale. Charge carriers show markers of spatial localization (polarons), and drift for distances from a few to 100 μm in typical field-effect devices. Being sensitive to such different length scales, field-effect mobility is evidently a figure of merit that averages local properties at the molecular scale, over distances orders of magnitude larger. Understanding charge transfer processes at each length scale is consequently of paramount importance. To fulfill this aim, a multi-length-scale approach, encompassing experimental and theoretical modeling investigations, has to be built. Here we critically revise a series of experimental and theoretical tools that can contribute to develop a consistent multi-scale investigation methodology. We consider them within the study of an exemplary, good electron transporting naphthalene-diimide bi-thiophene copolymer, which has represented a breakthrough for the class of n-type polymers since its disclosure in 2009.

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Language(s): eng - English
 Dates: 2015-01-272015-02-232015-02-242015-04-14
 Publication Status: Published in print
 Pages: 18
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1039/C5CP00523J
 Degree: -

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Title: Physical Chemistry Chemical Physics
  Abbreviation : Phys. Chem. Chem. Phys.
Source Genre: Journal
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Publ. Info: Cambridge, England : Royal Society of Chemistry
Pages: - Volume / Issue: 17 (14) Sequence Number: - Start / End Page: 8573 - 8590 Identifier: ISSN: 1463-9076
CoNE: https://pure.mpg.de/cone/journals/resource/954925272413_1