Abstract.
A functionalized stable film of poly(pyrrole-sulfated β-cyclodextrin) has been obtained electrochemically in LiClO4 aqueous solution using a simple 1:1 mixture of pyrrole (Py) monomer and sulfated β-cyclodextrin (SβCD). Different cyclic voltammetric behavior is obtained for polypyrrole (PPy) and poly(Py-βSCD) during electrosynthesis. Scanning electron microscopy (SEM) and energy dispersive X-ray analysis (EDAX) measurements on the two films have confirmed the presence of CD in the films and show that CD preferentially dopes the polymer even in the presence of a large excess of perchlorate supporting electrolyte. The morphology of the new polymers shows a more organized system under SEM examination. Contrary to conventional PPy films, this new polymer offers a wide potential range for electroanalytical exploration from selective electrodes to preconcentration/sampling devices.
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Temsamani, K.R., Mark, H.B., Kutner, W. et al. A simple one-step electrosynthesis of poly(pyrrole-sulfated β-cyclodextrin) films. J Solid State Electrochem 6, 391–395 (2002). https://doi.org/10.1007/s100080100248
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DOI: https://doi.org/10.1007/s100080100248