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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. Toth R.M. Walliser I. Lagzi D. Mathys L. Marot A. Braun C.E. Catherine E.C. Constable,
Project Self-organization processes to pattern thin films: A bottom-up approach for photoelectrodes
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Original article (peer-reviewed)

Journal RSC Advances
Volume (Issue) 12(40)
Page(s) 8367- - 8374
Title of proceedings RSC Advances
DOI 10.1039/C6RA04194A

Open Access

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 ~160 nm diameter nanoparticles 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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