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Proceedings Paper

On the size and morphological characterization of needle-shaped TiO2 nanoparticles in suspension
Author(s): Fabrice R. A. Onofri; Chantal Pelcé; Lionel Meister; Cédric Montet; Pierre Pelcé; Séverine Barbosa; Matthias Sentis; Mohamed Bizi
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Paper Abstract

We report the work in progress to develop a non invasive and fast optical method allowing characterizing the concentration, aspect ratio and mean size of acicular, nanorod and nanotube shaped particles. This method is based on the analysis of the spectral extinction of nanoparticles illuminated by polarized-light and whose orientation can be controlled by means of electrostatic and/or hydronamical forces. T-Matrix calculations and preliminary experimental results illustrate some aspects and features of this method.

Paper Details

Date Published: 6 August 2014
PDF: 6 pages
Proc. SPIE 9232, International Conference on Optical Particle Characterization (OPC 2014), 92320K (6 August 2014); doi: 10.1117/12.2063938
Show Author Affiliations
Fabrice R. A. Onofri, Institut Univ. des Systèmes Thermiques Industriels, CNRS, Aix-Marseille Univ. (France)
Chantal Pelcé, Institut Univ. des Systèmes Thermiques Industriels, CNRS, Aix-Marseille Univ. (France)
Lionel Meister, Institut Univ. des Systèmes Thermiques Industriels, CNRS, Aix-Marseille Univ. (France)
Cédric Montet, Institut Univ. des Systèmes Thermiques Industriels, CNRS, Aix-Marseille Univ. (France)
CILAS (France)
Pierre Pelcé, Institut de Recherche sur les Phénomènes Hors Équilibre, CNRS, Aix-Marseille Univ. (France)
Séverine Barbosa, Institut Univ. des Systèmes Thermiques Industriels, CNRS, Aix-Marseille Univ. (France)
Matthias Sentis, Institut Univ. des Systèmes Thermiques Industriels, CNRS, Aix-Marseille Univ. (France)
Mohamed Bizi, BRGM (France)


Published in SPIE Proceedings Vol. 9232:
International Conference on Optical Particle Characterization (OPC 2014)
Nobuhiro Aya; Norihiko Iki; Tsutomu Shimura; Tomohiro Shirai, Editor(s)

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