Nanoporous-gold-polypyrrole hybrid materials for millimeter-sized free standing actuators

Benedikt Roschning & Jörg Weissmüller
Advanced Materials Interfaces published by Wiley-VCH GmbH This work studies the actuation of hybrid materials made from nanoporous gold, polypyrrole, and aqueous electrolyte. The deposition protocol affords a conformal polypyrrole coating on the entire internal interface of millimeter-sized nanoporous metal specimens made by dealloying. The hybrid material emerges when the remaining pore space is filled with perchloric acid. The metal serves as load-bearing and electronically conductive substrate, the polypyrrole as functional active component for actuation,...
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