期刊
NANOSCALE RESEARCH LETTERS
卷 3, 期 4, 页码 164-167出版社
SPRINGER
DOI: 10.1007/s11671-008-9131-7
关键词
nanoparticles; PVA; silver; surface plasmon; thermolysis
Laser-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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