Enhancement of Charge-Transport Characteristics in Polymeric Films Using Polymer Brushes

We show that charge-transporting polymer chains in the brush conformation can be synthesized from a variety of substrates of interest, displaying a high degree of stretching and showing up to a 3 orders of magnitude increase in current density normal to the substrate as compared with a spin-coated f...

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Bibliographic Details
Published in:Nano letters 2006-03, Vol.6 (3), p.573-578
Main Authors: Whiting, Gregory L, Snaith, Henry J, Khodabakhsh, Saghar, Andreasen, Jens W, Breiby, Dag W, Nielsen, Martin M, Greenham, Neil C, Friend, Richard H, Huck, Wilhelm T. S
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Condensed matter: structure, mechanical and thermal properties
Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures
Electronic transport phenomena in thin films and low-dimensional structures
Exact sciences and technology
Physics
Structure and morphology
thickness
Surfaces and interfaces
thin films and whiskers (structure and nonelectronic properties)
Thin film structure and morphology
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Summary:We show that charge-transporting polymer chains in the brush conformation can be synthesized from a variety of substrates of interest, displaying a high degree of stretching and showing up to a 3 orders of magnitude increase in current density normal to the substrate as compared with a spin-coated film. These nanostructured polymeric films may prove to be suitable for electronic devices based on molecular semiconductors as current fabrication techniques often provide little control over film structure.
ISSN:1530-6984
1530-6992
DOI:10.1021/nl051803t