On the size and morphological characterization of needle-shaped TiO2 nanoparticles in suspension

Fabrice R. A. Onofri; Chantal Pelcé; Lionel Meister; Cédric Montet; Pierre Pelcé; Séverine Barbosa; Matthias Sentis; Mohamed Bizi

doi:10.1117/12.2063938

6 August 2014 On the size and morphological characterization of needle-shaped TiO₂ nanoparticles in suspension

Fabrice R. A. Onofri, Chantal Pelcé, Lionel Meister, Cédric Montet, Pierre Pelcé, Séverine Barbosa, Matthias Sentis, Mohamed Bizi

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Proceedings Volume 9232, International Conference on Optical Particle Characterization (OPC 2014); 92320K (2014) https://doi.org/10.1117/12.2063938
Event: International Conference on Optical Particle Characterization (OPC 2014), 2014, Tokyo, Japan

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.

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Fabrice R. A. Onofri, Chantal Pelcé, Lionel Meister, Cédric Montet, Pierre Pelcé, Séverine Barbosa, Matthias Sentis, and Mohamed Bizi "On the size and morphological characterization of needle-shaped TiO₂ nanoparticles in suspension", Proc. SPIE 9232, International Conference on Optical Particle Characterization (OPC 2014), 92320K (6 August 2014); https://doi.org/10.1117/12.2063938

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