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Understanding the formation of aligned, linear arrays of Ag nanoparticles

Type of publication Peer-reviewed
Publikationsform Original article (peer-reviewed)
Publication date 2016
Author R. M. Walliser R. Tóth I. Lagzi D. Mathys L. Marot A. Braun C. E. Housecroft E. C. Constable,
Project Reaction-diffusion processes for the growth of patterned structures and architectures: A bottom-up approach for photoelectrochemical electrodes
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Original article (peer-reviewed)

Journal RSC Advances
Volume (Issue) 6
Page(s) 28388 - 28392
Title of proceedings RSC Advances
DOI 10.1039/C6RA04194A

Abstract

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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