Highly reversible and multi-stage cantilever actuation driven by polyelectrolyte brushes

Journal of the American Chemical Society
Feng ZhouWilhelm T S Huck

Abstract

Microcantilever bending can be reversibly driven by conformational changes of phosphate containing polyelectrolyte brushes when exposed to different pH or salt solutions. The deflection of the cantilevers allows a detailed analysis of the properties of polymer brushes, while these systems are also a first step toward polymer-based nanoactuators.

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