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Automated Layer-by-Layer Deposition of Polyelectrolytes in Flow Mode

✍ Scribed by Svetlozar Ivanov; Fredy Kurniawan; Vessela Tsakova; Vladimir M. Mirsky

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
191 KB
Volume
294
Category
Article
ISSN
1438-7492

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✦ Synopsis

Abstract

Multilayer structures of conducting polymers were fabricated by a simply automated approach in flow mode. Polyaniline and poly(styrene sulfonate) were used as a model system, allowing a fast electrochemical and spectroscopic determination of the amount of deposited material. The technology was applied for layer‐by‐layer deposition of up to 100 bilayers. The results demonstrate a well reproducible and almost constant amount of the adsorbed polymer at each deposition cycle. The method can be applied for deposition of other conducting or non‐conducting polymers, biological macromolecules and composites of polyelectrolytes and nanoparticles.

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Proton-Exchange Membranes Using Layer-by-Layer Deposition stat mode in order to measure the corresponding potential as a function of time. Measurements were checked against resistive loads using an ammeter and a voltmeter.