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Synthesis of gold colloids by laser ablation in thiol-alkane solutions

Published online by Cambridge University Press:  01 October 2004

Giuseppe Compagnini ,
A. Alessandro Scalisi ,
Orazio Puglisi  and
Corrado Spinella
Giuseppe Compagnini*
Affiliation:
Chemistry Department, Catania University, 6 Catania 95125, Italy
A. Alessandro Scalisi
Affiliation:
Chemistry Department, Catania University, 6 Catania 95125, Italy
Orazio Puglisi
Affiliation:
Chemistry Department, Catania University, 6 Catania 95125, Italy
Corrado Spinella
Affiliation:
IMM-CNR, 95100 Catania, Italy
*
a)Address all correspondence to this author.e-mail: [email protected]
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Abstract

In this paper, we present a study on the formation of gold colloids by laser ablation of a gold metal target in alkanes and thiol-alkane solutions. The results show a decrease of the gold particles’ size up to 2 nm when thiol molecules are present in the liquid environment. The observation of a blue-shift of the surface plasmon resonance is discussed together with transmission electron microscopy analyses accounting the cluster size decrease and the stabilization of the obtained suspensions.

Keywords

AblationNanoparticlesColloidal
Type
Rapid Communications
Information
Journal of Materials Research , Volume 19 , Issue 10 , October 2004 , pp. 2795 - 2798
Copyright
Copyright © Materials Research Society 2004

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References

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