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Materials 2012, 5(12), 2681-2704; doi:10.3390/ma5122681

Organic and Inorganic Dyes in Polyelectrolyte Multilayer Films

1 Institut National de la Santé et de la Recherche Médicale, UMR 1121, 11 rue Humann, Strasbourg Cédex 67085, France 2 Faculté de Chirurgie Dentaire, Université de Strasbourg, 1 Place de l'Hôpital, Strasbourg 67000, France 3 Fédération de Médecine Translationnelle de Strasbourg, 1 Place de l'Hôpital, Strasbourg 67000, France
Received: 13 November 2012 / Revised: 3 December 2012 / Accepted: 4 December 2012 / Published: 10 December 2012
(This article belongs to the Special Issue Advances in Colorants)
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Polyelectrolyte multilayer films are a versatile functionalization method of surfaces and rely on the alternated adsorption of oppositely charged species. Among such species, charged dyes can also be alternated with oppositely charged polymers, which is challenging from a fundamental point of view, because polyelectrolytes require a minimal number of charges, whereas even monovalent dyes can be incorporated during the alternated adsorption process. We will not only focus on organic dyes but also on their inorganic counterparts and on metal complexes. Such films offer plenty of possible applications in dye sensitized solar cells. In addition, dyes are massively used in the textile industry and in histology to stain textile fibers or tissues. However, the excess of non bound dyes poses serious environmental problems. It is hence of the highest interest to design materials able to adsorb such dyes in an almost irreversible manner. Polyelectrolyte multilayer films, owing to their ion exchange behavior can be useful for such a task allowing for impressive overconcentration of dyes with respect to the dye in solution. The actual state of knowledge of the interactions between charged dyes and adsorbed polyelectrolytes is the focus of this review article.
Keywords: dyes; quantum dots; polyelectrolyte multilayer films; step-by-step deposition dyes; quantum dots; polyelectrolyte multilayer films; step-by-step deposition
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Ball, V. Organic and Inorganic Dyes in Polyelectrolyte Multilayer Films. Materials 2012, 5, 2681-2704.

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