Nano Science and Technology Institute
Nanotech 2008 Vol. 1
Nanotech 2008 Vol. 1
Nanotechnology 2008: Materials, Fabrication, Particles, and Characterization - Technical Proceedings of the 2008 NSTI Nanotechnology Conference and Trade Show, Volume 1
Chapter 2: Nano Materials & Composites

Dispersion and incorporation of optical nanotracers

Authors:J. Samuel, O. Raccurt, O. Poncelet, O. Tillement, F. Tardif
Affilation:Commissariat à l’Energie Atomique, FR
Pages:230 - 233
Keywords:nanotracer, nanoparticle, fluorescence, silica, surface functionalization, dispersion, polymer
Abstract:Silica fluorescent nanoparticles of 40nm diameter are synthesized by a reverse microemulsion process. Numerous industrial applications involve the homogeneous incorporation of nanoparticles into a polymer matrix. Nevertheless, because of their low size, nanoparticles tend to agglomerate into the polymer matrix. With an appropriate surface treatement consiting of ultrasonication and functionalization, a same fluorescent nanoparticle can be incorporated homogeneously either into an hydrophilc-based polymer or into an hydrophobic-based one. The fluorescence of these nanoparticles is a good way to quantify the quality of the dispersion obtained. Confocal microscopy images show the well-dispersed nanotracers in several polymers.
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