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Hollow Microspheres of Polyaniline Synthesized with an Aniline Emulsion Template

Zhixiang Wei, Marco Wan

Abstract

Hollow polyaniline microspheres have been synthesized from a monomeric aniline-based template, which makes template removal unnecessary. The template for the microstructures is an aniline emulsion with β-naphthalenesulfonic acid (NSA) as dopant, and ammonium persulfate (APS) as oxidizer. The Figure is a TEM image of polyaniline/NSA spheres obtained from 0.2 M aniline at an NSA/aniline/APS ratio of 1:4:4.

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Available abstract

Key concepts: Polyaniline, Aniline, Ammonium persulfate, Materials science, Dopant, Microsphere, Monomer, Emulsion