✦ LIBER ✦

Adsorption-induced bending of polypyrrole films and its application to a chemomechanical rotor

✍ Scribed by Hidenori Okuzaki; Toshio Kunugi

Publisher: John Wiley and Sons
Year: 1996
Tongue: English
Weight: 372 KB
Volume: 34
Category: Article
ISSN: 0887-6266
DOI: 10.1002/(sici)1099-0488(19960730)34:10<1747::aid-polb5>3.0.co;2-n

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✦ Synopsis

We have discovered that polypyrrole films undergo rapid and intensive bending in the solid state. Bending was induced by the reversible and anisotropic adsorption of various substances in the vapor state. The speed and direction of bending largely depended on the adsorbate used. By using this phenomenon, we have devised an experimental "chemomechanical rotor" capable of transducing a chemical free energy change directly into a continuous rotation.

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