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

  • Compagnini G
  • Scalisi A
  • Puglisi O
 et al. 
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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.

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  • Giuseppe Compagnini

  • A. Alessandro Scalisi

  • Orazio Puglisi

  • Corrado Spinella

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