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Aspects of morphology control during the oxidative synthesis of electrically conducting polymers

  • The formation of micro- and nanostructures during the oxidative polymerization of polypyrrole and polyaniline is investigated using different sulfonic acid dopants. Rod- or tube-like structures are found in polypyrrole as well as in polyaniline without addition of further compounds to the initial reaction mixture of monomer, dopant and oxidant. In these cases, always a crystalline precursor complex composed of a dopand molecule and the pure monomer (aniline) or a trimeric moiety (pyrrole) serves as in-situ template. In most cases the surface of the growing polymer is covered by secondary structures with much smaller sizes so that a hierarchical order of structures at different length scales results. Corresponding model considerations for the polymerization process are outlined. Additionally, unusual structures like platelets, frames, rings, or ribbons are observed in the polypyrrole synthesis in the presence of fluorosurfactants.

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Metadaten
Author:Burkhard SchulzORCiDGND, Birgit Dietzel, Ingo Orgzall, Isabel Diez, Chenggang Xu
URL:http://hip.sagepub.com/
DOI:https://doi.org/10.1177/0954008309339933
ISSN:0954-0083
Document Type:Article
Language:English
Year of first Publication:2009
Year of Completion:2009
Release Date:2017/03/25
Source:High performance polymers. - ISSN 0954-0083. - 21 (2009), 5, S. 633 - 652
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik und Astronomie
Peer Review:Referiert