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Nanophotothermolysis of Poly-(vinyl) Alcohol Capped Silver Particles

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Author(s): Tripathy SurajKumar

Journal: Nanoscale Research Letters
ISSN 1931-7573

Volume: 3;
Issue: 4;
Start page: 164;
Date: 2008;
Original page

Keywords: Nanoparticles | PVA | Silver | Surface plasmon | Thermolysis

ABSTRACT
AbstractLaser-induced thermal fusion and fragmentation of poly-(vinyl) alcohol (PVA)-capped silver nanoparticles in aqueous medium have been reported. PVA-capped silver nanoparticles with an average size of 15 nm were prepared by chemical reduction technique. The laser-induced photo-fragmentation of these particles has been monitored by UV-visible spectroscopy and transmission electron microscopy. The morphological changes induced by thermal and photochemical effects were found to influence the optical properties of these nanoparticles.
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