Abstract
Polyaniline/graphene oxide (PANI/GO) composites in a novel structure consisting of PANI nanoparticles covered by GO nanosheets are synthesized by means of Pickering emulsion polymerization for the first time. The Fourier transform infrared (FTIR) spectra indicate the main combination mode of the PANI/GO composite includes hydrogen bonding and π–π interactions between PANI and GO. The TGA and SEM results indicate the PANI/GO composite has better morphology stability than that of pure PANI. And thus the specific capacitance and cycling stability of the PANI/GO composite have been remarkably enhanced. The improved electrochemical performance may be attributed to the GO sheets not only improve the stability of the PANI nanoparticles, but also increase electronic conductivity and reduce electrical charge transfer resistance of the PANI/GO electrode.
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