HOFMANN, Anna; SMAAL, Wiljan; MUMTAZ, Muhammad; KATSIGIANNOPOULOS, Dimitrios; BROCHON, Cyril; SCHÜTZE, Falk; HILD, Olaf; CLOUTET, Eric; HADZIIOANNOU, Georges

doi:10.1002/anie.201503024

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HOFMANN, Anna
Laboratoire de Chimie des Polymères Organiques [LCPO]
Team 4 LCPO : Polymer Materials for Electronic, Energy, Information and Communication Technologies

SMAAL, Wiljan
Laboratoire de Chimie des Polymères Organiques [LCPO]
Team 4 LCPO : Polymer Materials for Electronic, Energy, Information and Communication Technologies

MUMTAZ, Muhammad
Laboratoire de Chimie des Polymères Organiques [LCPO]
Team 4 LCPO : Polymer Materials for Electronic, Energy, Information and Communication Technologies

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Angewandte Chemie International Edition. 2015, vol. 54, n° 29, p. 8506-8510

Wiley-VCH Verlag

Résumé en anglais

Organic conducting polymers are promising electrode materials for printable organic electronics. One of the most studied conducting polymers is PEDOT:PSS which is sufficiently conductive and transparent, but which shows some drawbacks, such as hygroscopy and acidity. In this communication we present a new approach to stabilize PEDOT in aqueous dispersions by replacing the PSS with a new basic polyanion based on a polystyrene backbone with (trifluoromethylsulfonyl)imide (TSFI) side groups. The PEDOT:PSTFSIK dispersions were obtained by oxidative polymerization of EDOT in aqueous PSTFSIK solution and were characterized regarding their composition, morphology, doping, rheological behavior and opto-electronic performance. These PEDOT:PSTFSIK dispersions show excellent printability and good opto-electronic performance (238Ohm.sq-1 at 91% transmittance, >260S.cm-1) and were successfully integrated as flexible electrodes in OLED and OPV devices.< Réduire

Mots clés en anglais

PEDOT

conducting polymers

dispersion

printed organic electronics

transparent electrode

flexible OLED

flexible OPV

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An Alternative Anionic Polyelectrolyte for Aqueous PEDOT Dispersions: Towards Printable Transparent Electrodes

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