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    Insertion of Iron Decorated Organic-Inorganic Cage-Like Polyhedral Oligomeric Silsesquioxanes between Clay Platelets by Langmuir Schaefer Deposition

    Year: 2020

    Journal: Materials, Volume 13, JAN 1

    Authors: Wu, JQ; Potsi, G; Gengler, RYN; Gournis, D; Rudolf, P

    Organizations: Ubbo Emmius Fund of the University of Groningen; China Scholarship Council (CSC)China Scholarship Council

    Keywords: Langmuir-Schaefer; polyhedral oligomeric silsesquioxanes; layered thin films; montmorillonite films

    Tuning the architecture of multilayer nanostructures by exploiting the properties of their constituents is a versatile way to develop multifunctional films. Herein, we report a bottom-up approach for the fabrication of highly ordered hybrid films consisting of dimethyldioctadecylammonium (DODA), iron decorated polyhedral oligomeric silsesquioxanes (POSS), and montmorillonite clay platelets. Clay platelets provided the template where Fe/POSS moieties were grafted by the use of the surfactant. Driven by the iron ions present, DODA adopted a staggered arrangement, which is essential to realize the controllable layer-by-layer growth of the film. The elemental composition of the film was studied by X-ray photoelectron spectroscopy and X-ray reflectivity confirmed the existence of smooth interfaces between the different layers.
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