Silver Nanoparticles Produced by Magnetron Sputtering and Selective Nanodecoration onto α-Cyclodextrin/Carboxylic Acid Inclusion Compounds Crystals

Bárbara Herrera, Tamara Bruna, Daniel Guerra, Nicolás Yutronic, Marcelo J. Kogan, Paul Jara

Department of Chemistry, Faculty of Sciences, University of Chile, Santiago, Chile.
Department of Pharmacology and Toxicology, Faculty of Chemical nd Pharmaceutical Sciences, University of Chile, Santiago, Chile.

DOI: 10.4236/anp.2013.22019                

Abstract

In this work, we report the preparation of silver nanoparticles (AgNPs) and the nanodecoration of α-cyclodextrin inclusion compounds (α-CD IC) microcrystals that contain palmitic (PAc) and stearic acids (SAc) like guest molecules. These IC provide a suitable environment for nucleation, epitaxial growth and immobilization of AgNPs that were obtained by the magnetron sputtering technique. The use of α-CD IC substrates with a specific surface morphology in which the functional group of the guest molecule faces outward preferentially from a crystal plane, is an efficient method for the preparation of AgNPs with a low size dispersion, which is probably due to the high affinity between the functional group of the surfactant carboxylic acid guest with the metal nanoparticles.

Keywords

Silver Nanoparticles; Nanodecoration; Cyclodextrin; Inclusion Compounds; Magnetron Sputtering

Conflicts of Interest

The authors declare no conflicts of interest.

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