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. 2012 Mar 15;24(11):1451-4.
doi: 10.1002/adma.201104865. Epub 2012 Feb 6.

Photochemical disruption of polyelectrolyte multilayers

Damla Koylu  1 , Mahesh Thapa, Patricia Gumbley, Samuel W Thomas 3rd
Affiliations

Photochemical disruption of polyelectrolyte multilayers

Damla Koylu et al. Adv Mater. .

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.

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