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Issue 36, 2011
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Electrochemical deposition of polyaniline nanosheets mediated by sulfonated polyaniline functionalized graphenes

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Abstract

Two-dimensional polyaniline (PANI) nanosheets have been prepared inductively by electropolymerization of aniline monomer in an aqueous electrolyte containing sulfonated PANI-functionalized graphenes (SPANI-Gs). The SPANI-G aqueous solution is used directly as the electrolyte for electropolymerization of aniline. The formation of PANI nanosheets depends strongly on the aniline monomer concentration and the as-prepared nanosheets have a thickness of ca. 10 nm. Morphologic characterization reveals the resultant samples are stacked loosely on the surface of electrodes with a large surface area accessible to electrolyte. Electrochemical investigation has shown that the PANI nanosheets formed in the presence of SPANI-Gs had a large specific capacitance of 372 F gāˆ’1 at a current density of 0.3 A gāˆ’1, five times higher than that of a normal PANI film synthesized in the absence of SPANI-Gs, showing the great potential for energy storage applications.

Graphical abstract: Electrochemical deposition of polyaniline nanosheets mediated by sulfonated polyaniline functionalized graphenes

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Publication details

The article was received on 07 May 2011, accepted on 27 Jun 2011 and first published on 08 Aug 2011


Article type: Paper
DOI: 10.1039/C1JM12014J
Citation: J. Mater. Chem., 2011,21, 13978-13983
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    Electrochemical deposition of polyaniline nanosheets mediated by sulfonated polyaniline functionalized graphenes

    Y. Zhao, H. Bai, Y. Hu, Y. Li, L. Qu, S. Zhang and G. Shi, J. Mater. Chem., 2011, 21, 13978
    DOI: 10.1039/C1JM12014J

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