Biomimetic microactuators based on polymer electrolyte/gold composite driven by low voltage

Abstract

This paper reports a method to make a biomimetic microactuator having large displacement and uniquely controllable motion. It is based on a polymer electrolyte membrane/gold composite in which the identity of the cation influences its motional response to stimulus. The gold electrode is fractal-like with exceptionally high interfacial area. Its motional response and versatility are illustrated by several examples. Using various connection schemes, complex and life-like modes of behavior can be simulated.