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Duplex nanoporous alumina and polyelectrolyte adsorption: more insights from a combined neutron reflectivity and electron microscopy study

Abstract : Neutron reflectivity (NR) is a powerful technique to investigate the incorporation of nanomaterials (polymers, nanoparticles, etc) into multilayer porous systems. Here we propose an experimental approach combining NR and scanning electron microscopy (SEM) to successfully characterize duplex nanoporous anodic aluminum oxides (nAAO) and to extract quantitative information about the entering and adsorption of polyelectrolytes (PEs) in nanopores. Duplex nAAO are promising systems to study the influence of geometrical constriction, i.e. the reduction of pore diameters along the pore channel, on the confinement of condensed matters.
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Submitted on : Thursday, October 3, 2019 - 11:33:27 AM
Last modification on : Friday, March 5, 2021 - 3:12:04 PM

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Anastasia Christoulaki, Alexis Chennevière, Emmanuelle Dubois, Nicolas Jouault. Duplex nanoporous alumina and polyelectrolyte adsorption: more insights from a combined neutron reflectivity and electron microscopy study. Nanoscale, Royal Society of Chemistry, 2019, 11 (5), pp.2148-2152. ⟨10.1039/C8NR09018A⟩. ⟨hal-02304421⟩

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