Publication: Characterization of nanocomposites for OPL applications
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Publication date
2013-10-15
Defense date
2013-10-31
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Abstract
This project concerns the characterization of nanocomposites of ferrite oxide
(NiFe2O4) and carbon black in poly-metal methacrylate (PMMA) for optical power
limiting (OPL) applications. This is due to their non-linear optical properties and
behavior at nanosize.
Polymers show an improvement in properties when they are alloyed with nano-fillers.
The polymer-based nanocomposites which are used for OPL applications need to be
characterized for particle distribution in relation with their optical properties, milling
time and particle concentration.
To determine the particle distribution, the fracture surface was analyzed by SEM.
Some samples were also dissolved in order to only investigate the particles in the
SEM. Sample preparation required for SEM investigation is presented and the
difficulties that occur along the process are described.
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Nanocompuestos, Polímeros, Láser, Propiedades ópticas, Partículas