Nebulization of Nanocolloidal Suspensions for the Growth of Nanocomposite Coatings in Dielectric Barrier Discharges

Jacopo Profili 1 Olivier Levasseur 2 Jean-Bernard Blaisot 3 Anja Koronai 1 Luc Stafford 4 Nicolas Gherardi 1
1 LAPLACE - LAboratoire PLasma et Conversion d'Energie
2 Université de Montréal - UdeM (CANADA)
3 CORIA - Complexe de recherche interprofessionnel en aérothermochimie
4 UdeM - Université de Montréal
Abstract : The nebulization of colloidal suspensions is analyzed by dynamic light scattering, scanning, and transmission electron microscopies. While primary agglomeration can be important for many nanoparticle-solvent couples, our results indicate that for TiO2 nanoparticles dispersed in water, secondary agglomeration also occurs during nebulization. When nebulization is realized immediately after sustaining a plane-to-plane dielectric barrier discharge at atmospheric pressure, the collection efficiency of TiO2 nanoparticles increases due to the presence of a remanent electric field between the two electrodes. Finally, these findings are used to deposit SiO2-TiO2 nanocomposite thin films by alternating the deposition of dense silica-like layers in a Townsend discharge and the collection of TiO2 nanoparticles through nebulization of the nanocolloidal suspension.
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Article dans une revue
Plasma Processes and Polymers, Wiley-VCH Verlag, 2016, 13 (10), pp.981--989. 〈10.1002/ppap.201500223〉
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https://hal.archives-ouvertes.fr/hal-01611230
Contributeur : Alexandre Poux <>
Soumis le : jeudi 5 octobre 2017 - 15:36:30
Dernière modification le : samedi 27 octobre 2018 - 01:28:21

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UNIV-TLSE3 | CORIA | COMUE-NORMANDIE | INSA-ROUEN | UNIROUEN

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Jacopo Profili, Olivier Levasseur, Jean-Bernard Blaisot, Anja Koronai, Luc Stafford, et al.. Nebulization of Nanocolloidal Suspensions for the Growth of Nanocomposite Coatings in Dielectric Barrier Discharges. Plasma Processes and Polymers, Wiley-VCH Verlag, 2016, 13 (10), pp.981--989. 〈10.1002/ppap.201500223〉. 〈hal-01611230〉

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