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How To Choose Polyelectrolytes for Aqueous Dispersions of Conducting PEDOT Complexes

Abstract : By using different polysaccharide and polysulfonylimide type polyelectrolytes for the synthesis of aq. PEDOT:polyelectrolyte dispersions, the influence of the polyelectrolyte backbone and of the anionic groups on the properties of the resulting PEDOT:polyelectrolyte complex has been studied. The obtained PEDOT:polyelectrolyte systems were characterized regarding the doping and the morphol. of the complexes in dispersion as well as regarding the optoelectronic properties and the morphol. of the dry PEDOT:polyelectrolyte films. Polyelectrolytes with high molar mass, a rigid backbone, and strongly acidic functionalities resulted in highly conducting PEDOT:polyelectrolyte films, while polyelectrolytes with flexible backbones and weakly acidic groups resulted in insulating PEDOT:polyelectrolyte systems. These findings could help to develop a palette of new PEDOT:polyelectrolyte systems, which correspond better to the specific requirements of different applications.
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Submitted on : Wednesday, February 22, 2017 - 11:52:21 AM
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Anna I. Hofmann, Dimitrios Katsigiannopoulos, Muhammad Mumtaz, Ioannis Petsagkourakis, Gilles Pecastaings, et al.. How To Choose Polyelectrolytes for Aqueous Dispersions of Conducting PEDOT Complexes. Macromolecules, American Chemical Society, 2017, 50 (5), pp.1959-1969. ⟨10.1021/acs.macromol.6b02504⟩. ⟨hal-01473920⟩



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