Photochemical Disruption of Polyelectrolyte Multilayers

descriptionPublicationkeyboard_double_arrow_right Article 06 Feb 2012 English Publisher:WileyJournal:Advanced Materials, volume 24, pages 1,451-1,454 (issn: 0935-9648, eissn: 1521-4095,

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Authors: Damla, Koylu; Mahesh, Thapa; Patricia, Gumbley; Samuel W, Thomas;

doi: 10.1002/adma.201104865

pmid: 22311619

Photochemical Disruption of Polyelectrolyte Multilayers

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Abstract

Photoreactive polyelectrolyte multilayers (PEMs) that dissolve upon UV irradiation are described. Light-induced switching of the formal charge of a photoreactive polycation resulted in repulsive interlayer electrostatic forces, and caused the dissolution of PEM films. Combining both photoreactive and inert polycations in the same film yielded additional control over the light-induced change in film thickness.

Related Organizations

Tufts University
United States

Keywords

Electrolytes, Chemical Phenomena, Polymers, Ultraviolet Rays, Materials Testing, Membranes, Artificial

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