Abstract
In this paper synthesis and optical properties of selenium nanoparticles in κ-carrageenan shell were study. It was found excitation-dependent luminescence of the κ-carrageenan-Se nanoparticles. This luminescence is caused by quantum confinement effect. The nanoparticle size distribution was estimated using optical absorption and luminescence spectra. The distribution are agree well with the one obtained by transmission electron microscopy.
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