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Issue 7, 2011
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Polyelectrolyte–surfactant nanocomposite membranes formed at a liquid–liquid interface

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Abstract

There are three main methods for constructing polyelectrolyte–surfactant membranes at interfaces, and all require solid supports. However, a recent paper demonstrates that peptide amphiphiles and a biological polyelectrolyte can form membranes at the water–water interface. Here, we show that similarly unsupported, columnar membranes can be achieved readily with commercially available polyelectrolytes and surfactants. We demonstrate a new preparation process, and that these membranes provide suitable substrates for silica deposition to render columnar, free-standing silica replicas. In addition, we introduce a new, high-throughput, combinatorial method for studying and optimizing membrane formation.

Graphical abstract: Polyelectrolyte–surfactant nanocomposite membranes formed at a liquid–liquid interface

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Supplementary files

Article information


Submitted
28 Sep 2010
Accepted
26 Jan 2011
First published
18 Feb 2011

Soft Matter, 2011,7, 3475-3481
Article type
Paper

Polyelectrolyte–surfactant nanocomposite membranes formed at a liquid–liquid interface

D. B. Carew, K. J. Channon, I. Manners and D. N. Woolfson, Soft Matter, 2011, 7, 3475
DOI: 10.1039/C0SM01075H

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