Head:     Dra. Lucía B. Scaffardi               Dr. Jorge O. Tocho Members:                • Dr. Daniel Schinca                •Ing. Fabián Videla

History

Work topics

• Measurement of mean radii and size distribution of nanoparticulated materials in solution by using  angular optical scattering.
• Development and application of backscattering  and low angle scattering  spectroscopy for the characterization of dielectric nanoparticles.
• Optical properties study of metal nanoparticles by using extinction spectroscopy.

The most relevant works

• Size distribution  of dielectric particles in solution by using  backscattering spectrometry  in the visible and near infrared.
• Study of the influence of the free electrons  in the extinction spectrum of nanometric metal particles.
• Study of the influence of the free electrons  in the extinction spectrum of nanometric metal particles.
• Measurement of size distributions and composition of atmospheric aerosols (in progress)
• Measurement of mean radius of nanometric semiconducting particles (in progress).
• Analytical process and disposition to determine the size of the particles suspended in a liquid medium" Lucía Scaffardi, Fabián Videla y Daniel Schinca. Patente en trámite (CONICET-UNLP-CIC): acta Nº P050101083.

Collaboration with other institutions and research groups.

• Servicio Láser, Dto de Física, Facultad de Ciencias Exactas, Universidad de Salamanca, España.
• Grupo Física de Materiales, Dto de Física, Universidad Autónoma de Madrid, España.
• Grupo del Laboratorio de Materiales Cerámicos, FCEIyA, IFIR, Universidad Nacional de Rosario, Argentina

Available equipment

• An angular scattering equipment.
• EPA calibraed patron particles.
• Gold standard metal nanoparticles.
• A computarized (UV-1650PC, Shimadzu) double beam UV-Visible Spectrophotometer with high speed scan.

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