Polypyrrole/gold bilayer characterization

Steven Fanning; Yingkai Liu; Marc Christophersen; Matthias Duerkop; Elisabeth Smela; Benjamin Shapiro

doi:10.1117/12.599767

6 May 2005 Polypyrrole/gold bilayer characterization

Steven Fanning, Yingkai Liu, Marc Christophersen, Matthias Duerkop, Elisabeth Smela, Benjamin Shapiro

Proceedings Volume 5759, Smart Structures and Materials 2005: Electroactive Polymer Actuators and Devices (EAPAD); (2005) https://doi.org/10.1117/12.599767
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2005, San Diego, California, United States

Abstract

Polypyrrole/gold bilayer microactuators are being developed in our laboratory for biomedical applications such as microvalves. To fully open and close the valves, the bilayer hinges must be able to rotate between 0° and 180° within a few seconds against external forces. The layer thicknesses and hinge lengths must therefore be properly designed for the application. However, existing models fail to predict the correct behavior of microfabricated PPy/Au bilayer microactuators. Therefore, additional experimental data are needed to correctly forecast their performance. Bilayer actuators were fabricated with ranges of PPy thicknesses and hinge lengths. Bending angles were recorded through a stereomicroscope in the fully oxidized and reduced states. Isometric forces exerted by the hinges were measured with a force transducer, the output of which was read by a potentiostat and correlated with the applied potentials.

Citation Download Citation

Steven Fanning, Yingkai Liu, Marc Christophersen, Matthias Duerkop, Elisabeth Smela, and Benjamin Shapiro "Polypyrrole/gold bilayer characterization", Proc. SPIE 5759, Smart Structures and Materials 2005: Electroactive Polymer Actuators and Devices (EAPAD), (6 May 2005); https://doi.org/10.1117/12.599767

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