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The polypyrrole (PPy) nanomaterials with different morphologies were prepared via the chemical oxidative polymerization of pyrrole in the presence of acid blue AS (AS) as the dopant and surfactant. Increasing of the feeding ratio of AS, the morphology of the resultant acid blue AS doped polypyrrole (PPy/AS) nanomaterials changed from nanoparticles to clusters of nanofibers and nanoparticles, then...
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