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Dispersion and stability of TiO2 nanoparticles synthesized by laser pyrolysis in aqueous suspensions

Carole Sentein 1 Benoît Guizard 1 Sophie Giraud 1 Chang Yé 1 François Ténégal 1
1 LTMEx - Laboratoire des Technologies des Matériaux EXtrêmes
SRMA - Service des Recherches Métallurgiques Appliquées : DEN/DMN/SRMA
Abstract : Nanoparticles of titanium dioxide (TiO2) were synthesized by the laser pyrolysis method at pilot scale using an organometallic aerosol injected in the reactor. In order to secure the global process of nanoparticle production, we investigate the liquid recovery of the raw powders. The goal was to recover the nanopowders directly in water at the exit of the reaction zone mainly for safety reasons. For that, the dispersion of TiO2 nanopowder in water using a dispersing agent was optimized and comparison of the powder characteristics produced after a dry or a liquid recovery was done.
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https://hal-cea.archives-ouvertes.fr/cea-00726329
Contributor : Sophie Giraud <>
Submitted on : Wednesday, August 29, 2012 - 4:12:55 PM
Last modification on : Thursday, June 25, 2020 - 2:54:02 PM

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Carole Sentein, Benoît Guizard, Sophie Giraud, Chang Yé, François Ténégal. Dispersion and stability of TiO2 nanoparticles synthesized by laser pyrolysis in aqueous suspensions. Journal of Physics: Conference Series, IOP Publishing, 2009, pp.012013. ⟨10.1088/1742-6596/170/1/012013⟩. ⟨cea-00726329⟩

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