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Formation and characterization of high-density silver nanoparticles embedded in silica thin films by “in situ” self-reduction

Published online by Cambridge University Press:  31 January 2011

G. Compagnini ,
M. M. Fragal´ ,
L. D'Urso ,
C. Spinella  and
O. Puglisi
G. Compagnini*
Affiliation:
Dipartimento di Scienze Chimiche, Universit´di Catania, Viale A. Doria 6, 95125 Catania, Italy
M. M. Fragal´
Affiliation:
Dipartimento di Scienze Chimiche, Universit´di Catania, Viale A. Doria 6, 95125 Catania, Italy
L. D'Urso
Affiliation:
Dipartimento di Scienze Chimiche, Universit´di Catania, Viale A. Doria 6, 95125 Catania, Italy
C. Spinella
Affiliation:
CNR-IMeTeM, Stradale Primosole 50, 95100 Catania, Italy
O. Puglisi
Affiliation:
Dipartimento di Scienze Chimiche, Universit´di Catania, Viale A. Doria 6, 95125 Catania, Italy
*
a)gcompagnini@dipchi.unict.it
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Abstract

Silver nanoparticles (10–20 nm) embedded into silica thin films have been obtained through the use of a silver organometallic precursor compound dissolved in Spin-On-Glass and subsequently spinned onto suitable substrates. In this paper we present a study of the shape, size, and distribution of silver particles through the use of microscopes, x-ray diffraction, and optical extinction. It has been observed that the obtained films are stable for annealing up to 500 °C with a progressive degradation above this temperature. Furthermore it is possible to obtain high-density silver particles up to 15% in weight without affecting the cluster size and shape.

Type
Articles
Information
Journal of Materials Research , Volume 16 , Issue 10 , October 2001 , pp. 2934 - 2938
Copyright
Copyright © Materials Research Society 2001

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