Advanced Materials

Spray-Assisted Polyelectrolyte Multilayer Buildup: from Step-by-Step to Single-Step Polyelectrolyte Film Constructions

Authors

  • Pierre Schaaf,

    Corresponding author
    1. Institut Charles Sadron, Université de Strasbourg, Centre National de la Recherche Scientifique, Unité Propre de Recherche 22, 23 rue du Loess, BP 84047, 67034 Strasbourg Cedex 2, France
    2. Université de Strasbourg, Ecole Européenne de Chimie, Polymères et Matériaux, 25 rue Becquerel, 67087 Strasbourg, France
    3. International Center for Frontier Research in Chemistry (icFRC), 8 allée Gaspard Monge, 67083 Strasbourg, France
    • Institut Charles Sadron, Université de Strasbourg, Centre National de la Recherche Scientifique, Unité Propre de Recherche 22, 23 rue du Loess, BP 84047, 67034 Strasbourg Cedex 2, France.

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  • Jean-Claude Voegel,

    1. Institut National de la Santé et de la Recherche Médicale, Unité 977, 11 rue Humann, 67085 Strasbourg Cedex, France and Université de Strasbourg, Faculté de Chirurgie Dentaire, 1 place de l'Hôpital, 67000, Strasbourg, France
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  • Loïc Jierry,

    1. Institut Charles Sadron, Université de Strasbourg, Centre National de la Recherche Scientifique, Unité Propre de Recherche 22, 23 rue du Loess, BP 84047, 67034 Strasbourg Cedex 2, France
    2. Université de Strasbourg, Ecole Européenne de Chimie, Polymères et Matériaux, 25 rue Becquerel, 67087 Strasbourg, France
    3. International Center for Frontier Research in Chemistry (icFRC), 8 allée Gaspard Monge, 67083 Strasbourg, France
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  • Fouzia Boulmedais

    1. Institut Charles Sadron, Université de Strasbourg, Centre National de la Recherche Scientifique, Unité Propre de Recherche 22, 23 rue du Loess, BP 84047, 67034 Strasbourg Cedex 2, France
    2. International Center for Frontier Research in Chemistry (icFRC), 8 allée Gaspard Monge, 67083 Strasbourg, France
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Abstract

The alternate deposition of polyanions and polycations on a solid substrate leads to the formation of nanometer to micrometer films called Polyelectrolyte Multilayers. This step-by-step construction of organic films constitutes a method of choice to functionalize surfaces with applications ranging from optical to bioactive coatings. The method was originally developed by dipping the substrate in the different polyelectrolyte solutions. Recent advances show that spraying the polyelectrolyte solutions onto the substrate represents an appealing alternative to dipping because it is much faster and easier to adapt at an industrial level. Multilayer deposition by spraying is thus greatly gaining in interest. Here we review the current literature on this deposition method. After a brief history of polyelectrolyte multilayers to place the spraying method in its context, we review the fundamental issues that have been addresses so far. We then give an overview the different fields where the method has been applied.

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