Biomimetic reactions in conducting polymers for artificial muscles: sensing working conditions
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SponsorsThe research was supported by European Union’s Horizon 2020 research and innovation program under the Marie Sklodowska-Curie grant agreement No 641822 .
Bibliographic CitationPascual, V. H., Otero, T. F., & Schumacher, J. (2017). Biomimetic reactions in conducting polymers for artificial muscles: sensing working conditions . Bioinspiration, Biomimetics, and Bioreplication 2017. doi:10.1117/12.2259912
IIn the dense gel that is the intracellular matrix forming part of living cells electrochemical reactions take place provoking the interchange of ions and water with the surroundings. Systems containing conducting polymers mimic this feature of biological organs. In particular, conducting polymers are being studied as dual sensing-actuating reactive materials giving new multifunctional sensing-actuators, which allow the construction and theoretical description of artificial proprioceptive devices. Here films of polypyrrole/dodecyl benzene sulfonate (PPy-DBS) coating a platinum electrode were submitted to potential sweeps at different sweep rates in order to explore if the polymer reaction senses the working electrochemical conditions. The effective consumed electrical energy per cycle follows a fast decrease when the scan rate increases described by the addition of two exponential sensing functions. Moreover, the variation of the hysteresis from the parallel charge/potential loop with ...
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