Spatially controlled synthesis of silver nanoparticles and nanowires by photosensitized reduction

The present paper reports on the spatially controlled synthesis of silver nanoparticles (NPs) and silver nanowires by photosensitized reduction. In a first approach, direct photogeneration of silver NPs at the end of an optical fiber was carried out. Control of both size and density of silver NPs wa...

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Bibliographic Details
Published in:Nanotechnology 2010-03, Vol.21 (9), p.095605-095605
Main Authors: Jradi, S, Balan, L, Zeng, X H, Plain, J, Lougnot, D J, Royer, P, Bachelot, R, Akil, S, Soppera, O, Vidal, L
Format: Article
Language:English
Subjects:
Density
Deposition
Engineering Sciences
Micro and nanotechnologies
Microelectronics
Nanoparticles
Nanotechnology
Nanowires
Optical fibers
Reduction
Silver
Synthesis
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Summary:The present paper reports on the spatially controlled synthesis of silver nanoparticles (NPs) and silver nanowires by photosensitized reduction. In a first approach, direct photogeneration of silver NPs at the end of an optical fiber was carried out. Control of both size and density of silver NPs was possible by changing the photonic conditions. In a further development, a photochemically assisted procedure allowing silver to be deposited at the surface of a polymer microtip was implemented. Finally, polymer tips terminated by silver nanowires were fabricated by simultaneous photopolymerization and silver photoreduction. The silver NPs were characterized by UV-visible spectroscopy and scanning electron microscopy.
ISSN:0957-4484
1361-6528
DOI:10.1088/0957-4484/21/9/095605