Pre-patterning and post-oxidation-crosslinking of Fe(0) particles for a humidity-sensing actuator
2019
We propose a pre-patterning and post-oxidation-crosslinking protocol to prepare a humidity-sensing actuator. Fe(0) particles (FeP) are introduced into a sodium alginate (SA) film under a magnetic field (15 mT) to achieve directional pre-patterning, followed by treatment in hydrochloric acid that oxidates FeP into Fe2+, and triggers the crosslinking between Fe2+ and SA, which provides the actuator with differential mechanical tensors and induces controlled response to humidity.
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