PREPARATION AND USE OF MEMBRANES WITH POTENTIAL-CONTROLLED FUNCTIONS

A new type of membrane with potential-controllable functions was prepared by grafting polyaniline to the surface of track-etch Nucleopore membrane with a vacuum deposited gold layer (PANI-membranes). Because of the cylindrical shape of these pores, a nanocylinder of the desired conducting material i...

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Bibliographic Details
Published inInstrumentation science & technology Vol. 29; no. 5; pp. 383 - 391
Main Authors Piletsky, S. A., Kurys, Y. I., Panasyuk, T. L., Goumenyuk, A., Sergeeva, T. A., Karim, K., Piletska, E. V., El'skaya, A. V., Turner, A. P. F.
Format Journal Article
LanguageEnglish
Published Taylor & Francis Group 30.11.2001
Subjects
TECHNOLOGY
TEKNIKVETENSKAP
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Summary:A new type of membrane with potential-controllable functions was prepared by grafting polyaniline to the surface of track-etch Nucleopore membrane with a vacuum deposited gold layer (PANI-membranes). Because of the cylindrical shape of these pores, a nanocylinder of the desired conducting material is obtained in each pore. A potential applied to PANI-membranes governs the properties of the conducting layer, such as charge and its distribution, conformation, and density and, hence, controls the diffusion rate of substances through these membranes. The variation in diffusion rates of different substances with different potentials applied to PANI-membranes provides the basis for the application of these membranes in separation processes and sensors.
ISSN:1073-9149
1525-6030
1525-6030
DOI:10.1081/CI-100107230