期刊
POLYMER
卷 48, 期 7, 页码 2007-2013出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2007.01.058
关键词
silver nanocomposites; interfacial polymerization; polypyrrole
We present a new synthetic approach leading to the formation of polypyrrole architectures in submicron level and to silver/polypyrrole nanocomposites via an interfacial polymerization in a water/chloroform interface. The oxidizing agent was either Ag(I) or Fe(III). In the first case, silver nanoparticles resulted. The mean diameter of the polypyrrole structures is in the range of 200-300 nm according to the addition or not of various surfactants. The progress of the reaction was studied by UV-visible spectroscopy, which also revealed the formation of a polaron band during the growth of the oligomers. The crystal structure of the polymers was examined by X ray diffractometry and all samples appeared to be amorphous, while the samples were further characterized by thermogravimetric analysis and FT-IR spectroscopy. (c) 2007 Elsevier Ltd. All rights reserved.
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