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Article Dans Une Revue Scientific Reports Année : 2023

Aerosol-based functional nanocomposite coating process for large surface areas

Résumé

The incorporation of nanometric-sized objects in conventional coatings can improve the properties of the matrix alone or give rise to new functionalities brought by the nanostructures. Current processes call on various shaping technologies that depend on the nature of the nano-inclusions and the matrix considered. Here, we present an integrated process based on the incorporation of nanoparticles using the aerosol route. It combines divergent nanoparticle jets with a uniform spatial profile and Physical Vapor Deposition (PVD). The chemical nature of the nanoparticles is then independent of that used for the matrix. First samples show that the morphology of nanocomposites is strongly dependent on the particle density in the films. Moreover, using several aerodynamic lens arrays combined with smart masking demonstrate the ability for coating on large surface area (40 cm2) substrates. These extended possibilities for developing new types of nanocomposites on any type of substrate and on large surface areas at low temperatures proves to be of strategic interest for various applications
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Dates et versions

hal-04172803 , version 1 (28-07-2023)

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Shutong Lai, Olivier Sublemontier, Eric Aubry, Youri Rousseau, Alain Billard, et al.. Aerosol-based functional nanocomposite coating process for large surface areas. Scientific Reports, 2023, 13 (238), pp.4709. ⟨10.1038/s41598-023-31933-w⟩. ⟨hal-04172803⟩
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