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In-Situ Monitoring of the Kinetics and Mechanism of Conducting Polymer Synthesis

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Abstract

The aqueous polymerization of pyrrole and aniline by ferricyanide and persulfate, respectively, was monitored by Raman scattering and potentiometry. Raman scattering gave well-resolved signals for monomer and oxidizer. The kinetics of polypyrrole formation could be determined by both techniques, whereas only Raman scattering was suitable for the aniline system. The stoichiometry of the pyrrole polymerization remained constant at 2.5 oxidant molecules per pyrrole consumed. The aniline reaction showed an accelerated region with aniline consumption lagging persulfate use.

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Acknowledgement

We thank C.K. Mann, and T.J. Vickers for assistance in Raman measurements. This work was supported. in part, by a grant from the Petroleum Research Fund, Administered by the American Chemical Society.

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Authors and Affiliations

  1. Department of Chemistry and Center for Materials Science and Technology (MARTECH), Florida State University, Tallahassee, FL, 32306, USA

    Yoke Fong, Chengbo Chen & Joseph B. Schlenoff

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  1. Yoke Fong
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  2. Chengbo Chen
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  3. Joseph B. Schlenoff
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Fong, Y., Chen, C. & Schlenoff, J.B. In-Situ Monitoring of the Kinetics and Mechanism of Conducting Polymer Synthesis. MRS Online Proceedings Library 247, 693–698 (1992). https://doi.org/10.1557/PROC-247-693

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  • DOI: https://doi.org/10.1557/PROC-247-693

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