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Type: Artigo de periódico
Title: A simple two-phase route to silver nanoparticles/polyaniline structures
Author: Oliveira, MM
Castro, EG
Canestraro, CD
Zanchet, D
Ugarte, D
Roman, LS
Zarbin, AJG
Abstract: Novel silver nanoparticles/polyaniline composites were obtained through a two-phase water/toluene interfacial reaction. We show that by rigorously controlling the reaction time, different structures of the nanocomposites can be obtained, such as a thin sheet of polyaniline around the silver nanoparticles or a polymer mass with nanoparticles homogeneously embedded within it. Samples were characterized by FT-IR, UV-vis-NIR and Raman spectroscopy, X-ray diffraction, cyclic voltammetry, TEM, and HRTEM. Conductivity and current-voltage characteristics of the nanocomposites were measured, and the results indicate that different properties result from the different structures in which the nanocomposites were formed.
Country: EUA
Editor: Amer Chemical Soc
Rights: fechado
Identifier DOI: 10.1021/jp060861f
Date Issue: 2006
Appears in Collections:Unicamp - Artigos e Outros Documentos

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