Wireless Electrochemical Actuation of Conducting Polymers.
作者： Bhavana Gupta , Bertrand Goudeau , Alexander Kuhn
关键词: Polymer 、 Polypyrrole 、 Nanotechnology 、 Electrolyte 、 Artificial muscle 、 Materials science 、 Bipolar electrochemistry 、 Conductive polymer 、 Bilayer 、 Potential gradient
摘要: Electrochemical actuation of conducting polymers usually requires a direct connection to an electric power supply. In this contribution, we suggest overcome issue by using the concept bipolar electrochemistry. This allows changing oxidation state polymer in gradual and wireless way. Free-standing polypyrrole films were synthesized with intrinsic morphological asymmetry their two faces order form bilayer structure. Immersing such objects electrolyte solution exposing them potential gradient leads asymmetric oxidation/reduction polymer, resulting differential shrinking swelling along main axis. additional is responsible for structural deformation. Optimization allowed highly efficient bending, which expected open up completely new directions field due mode action.
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