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Polymers 2011, 3(4), 1794-1804; doi:10.3390/polym3041794
Article

Dependence of Optical and Microstructure Properties of Thiol-Capped Silver Nanoparticles Embedded in Polymeric Matrix

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Received: 28 July 2011 / Revised: 28 September 2011 / Accepted: 12 October 2011 / Published: 13 October 2011
(This article belongs to the Special Issue Polymers for Optical Applications)
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Abstract

Thiol-capped silver nanoparticles were prepared by in situ thermal decomposition of different silver(I)-thiolates precursors in a polymeric matrix. Depending on the structure of the organic coating, contact-free distribution of metal nanoparticles or nanoparticles aggregates were achieved. The structure and morphology of nanocomposites was analyzed by Transmission Electron Microscopy (TEM), and X-Ray Diffraction (XRD). Nanoparticles’ interaction was investigated by differential scanning calorimetry (DSC), and UV-Visible spectroscopy. In particular, only silver nanoparticles coated by n-alkyl thiols aggregated, while a contact-free dispersion was obtained by cyclohexyl thiol-capped silver nanoparticles.
Keywords: metal-polymer nanocomposite; thiol-capped silver nanoparticles; interdigitation phenomena metal-polymer nanocomposite; thiol-capped silver nanoparticles; interdigitation phenomena
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Longo, A.; Carotenuto, G.; Palomba, M.; Nicola, S.D. Dependence of Optical and Microstructure Properties of Thiol-Capped Silver Nanoparticles Embedded in Polymeric Matrix. Polymers 2011, 3, 1794-1804.

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