Polyaniline-intercalated graphene oxide sheet and its transition to a nanotube through a self-curling process

作者: Y.F. Huang , C.W. Lin

DOI: 10.1016/J.POLYMER.2012.01.025

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摘要: Abstract This study reports the preparation of graphene oxide (GO)/polyaniline (PANI) nanotubes through polymerizing aniline monomers in presence GO sheets. Transmission electron microscopy (TEM) reveals that obtained GO/PANI have an outer diameter ∼120 nm and inner 15 nm. Fourier transform infrared (FT-IR) spectra thermogravimetric analysis (TGA) curves verify coexistence PANI produced nanotubes. X-ray diffraction patterns identify intercalation chains between Specifically, SEM images reveal formation polyaniline-intercalated sheets earlier stage. Subsequently, these initially-formed would into a self-curling process. The changes molecular structures doping states polyaniline molecules during polymerization process are thought to be responsible for behavior. Compared with pristine nanotubes, exhibit even higher electrical conductivity manifest their great potential applications various electrochemical devices.

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