Understanding the formation of aligned, linear arrays of Ag nanoparticles

We report the self-assembly of aligned arrays of silver nanoparticles governed by a reaction–diffusion–precipitation process. The average 2 μm wide bands containing nanoparticles which are ∼160 nm in diameter are highly periodic with ∼0.9–3 μm spacing. Morphological and analytical characterization o...

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Bibliographic Details
Published inRSC advances Vol. 6; no. 34; pp. 28388 - 28392
Main Authors Walliser, Roché M., Tóth, Rita, Lagzi, István, Mathys, Daniel, Marot, Laurent, Braun, Artur, Housecroft, Catherine E., Constable, Edwin C.
Format Journal Article
LanguageEnglish
Published 01.01.2016
Subjects
Alignment
Arrays
Formations
Illumination
Mathematical analysis
Nanoparticles
Self assembly
Silver
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Summary:We report the self-assembly of aligned arrays of silver nanoparticles governed by a reaction–diffusion–precipitation process. The average 2 μm wide bands containing nanoparticles which are ∼160 nm in diameter are highly periodic with ∼0.9–3 μm spacing. Morphological and analytical characterization of the particles has provided crucial information for the formulation of a series of reactions explaining the band formation. We propose that the silver/silver oxide colloids in the bands turn into elemental silver particles upon UV illumination.
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ISSN:2046-2069
2046-2069
DOI:10.1039/C6RA04194A