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Synthesis of metallic Ag and semiconducting ZnS nanoparticles in self -assembled polyelectrolyte templates

Synthesis of metallic Ag and semiconducting ZnS nanoparticles in self -assembled polyelectrolyte templates

This video was recorded at SLONANO conference, Ljubljana 2007. Metal and semiconductor nanoparticles have attracted much interest lately due to their unique size dependant properties, stemming from their quantum confinement effects and large surface areas. The main problem in nanoparticle synthesis is their aggregation which often prohibits tailoring of particle size. One of the convenient methods to manipulate and process these nanoparticles in technologically useful formulations is an "in-situ formation" of nanoparticles in polymer matrices which prevents the aggregation of the nanoparticles and enables their uniform distribution. The polyelectrolyte multilayers (PEMs) of polyallylamine (PAH) and polyacrylic acid (PAA) were assembled on hydrophilic polystyrene tissue-cultured and surface... Show More

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