Abstract
Silver nanoparticles were synthesized by chemical reduction method. The surface of silver nanoparticles (SNPs) was modified using polyvinylpyrrolidone to make them more compatible with pyrrole. Surface-modified SNPs were dispersed in pyrrole and polymerized via in situ oxidative polymerization technique. The molar ratio of monomer unit to initiator and dopant was 1:1:1 and the weight percent of SNPs in polymer matrix was varied from 1 to 10. The properties of polypyrrole–silver nanocomposites have been characterized using Fourier transform infrared spectroscopy, X-ray diffraction, scanning electron microscope, transmission electron microscope, thermo-gravimetric analysis and four-probe resistivity meter. All these characterizations indicate that the polypyrrole–silver nanocomposite is successfully synthesized via in situ oxidative polymerization and electrical extent shows suitable conductivity.
Highlights
In recent years, the attention in the improvement of inorganic/organic nanocomposites has increased significantly because of a wide range of potential application of these materials [1, 2]
We look forward to synthesizing silver nanoparticles (SNPs) via reduction of AgNO3 and PPy–silver nanocomposites were prepared by in situ chemical oxidative polymerization
SNPs were synthesised according to the following procedure: 1.9 g of PVP was introduced into the container, 25 ml tributyl phosphate (TBP) added and disturbed at room temperature
Summary
The attention in the improvement of inorganic/organic nanocomposites has increased significantly because of a wide range of potential application of these materials [1, 2]. Keywords Silver nanoparticles Á Polypyrrole Á Nanocomposites Á Oxidative polymerization Abbreviations PPy Polypyrrole SNPs Silver nanoparticles XRD X-ray diffraction FT-IR Fourier transform infrared spectroscopy TGA Thermal analysis gravimeter SEM Scanning electron microscopy TEM Transmission electron microscopy
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