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Proceedings Paper

Proton-vacancy-conducting polymers based on anion-grafted ormosils synthesized via sol-gel process
Author(s): Veronica de Zea Bermudez; Daniel Baril; Jean-Yves Sanchez; Michel Armand; Christiane Poinsignon
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Paper Abstract

A novel basic proton conducting polymer (so-called proton-vacancy conducting polymer) has been synthesized. It is based on the copolymerization via the sol-gel process of sulfonamide- containing groups, partially deprotonated, and an internal plasticizer (POE segments). All the organic groups are attached to trialkoxysilanes which, through the hydrolysis-condensation process, lead to a silica-based backbone. The flexible films obtained are homogeneous and transparent. Maximum conductivities are observed with approximately equals 15% of the sulfonamide groups deprotonated by the organic base and approximately equals 10% of 2000 Mw POE plasticizer. The conductivity values are 2 10-7Ω-1-cm-1 at 30 degree(s)C and 10-5 Ω -1cm-1 at about 84 degree(s)C. The polymers are thermically stable up to 220 degree(s)C and their electrochemical stability range is close to 2 V.

Paper Details

Date Published: 25 November 1992
PDF: 12 pages
Proc. SPIE 1728, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XI: Chromogenics for Smart Windows, (25 November 1992); doi: 10.1117/12.130555
Show Author Affiliations
Veronica de Zea Bermudez, Domaine Univ. (France)
Daniel Baril, Domaine Univ. (France)
Jean-Yves Sanchez, Domaine Univ. (France)
Michel Armand, Domaine Univ. (France)
Christiane Poinsignon, Domaine Univ. (France)


Published in SPIE Proceedings Vol. 1728:
Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XI: Chromogenics for Smart Windows

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