Silver nanostructures formation in porous Si/SiO sub(2) matrix

Self-organized silver nanostructures were grown in porous Si/SiO sub(2) matrix fabricated by ion track technology. The different silver nanostructures with shapes like "sunflowers", "azalea" or "com" were realized by applying wet-chemical electroless deposition. We show...

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Bibliographic Details
Published in:Journal of crystal growth 2014-08, Vol.400, p.21-26
Main Authors: Sivakov, Vladimir, Kaniukov, Egor Yu, Petrov, Alexander V, Korolik, Olga V, Mazanik, Alexander V, Bochmann, Arne, Teichert, Steffen, Hidi, Izabella J, Schleusener, Alexander, Cialla, Dana, Toimil-Molares, Maria Eugenia, Trautmann, Christina, Popp, Jurgen, Demyanov, Sergey E
Format: Article
Language:English
Subjects:
Crystal growth
Dyes
Nanostructure
Signatures
Silicon
Silicon dioxide
Silver
Sunflowers
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Summary:Self-organized silver nanostructures were grown in porous Si/SiO sub(2) matrix fabricated by ion track technology. The different silver nanostructures with shapes like "sunflowers", "azalea" or "com" were realized by applying wet-chemical electroless deposition. We show that reproducible self-organized silver "sunflower" like nanostructures provide a high enhanced Raman signal of Nile blue dye molecules. Signal enhancement for a few or even just a single silver "sunflower" is demonstrated by analyzing the surface-enhanced Raman signature of Nile blue dye molecules. According to this, the silver nanostructures can act as efficient surfaces for surface enhanced Raman spectroscopy as well as (bio)-sensor applications.
ISSN:0022-0248
DOI:10.1016/j.jcrysgro.2014.04.024