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Erschienen in:
01.08.2014
The preparation of novel hollow tetragonal starlike polyaniline and its electrochemical performance
Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 8/2014
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Abstract
Novel hollow tetragonal starlike polyaniline (HTS-PANI) doped with citric acid has been successfully synthesized by hydrothermal method for the first time. Scanning electron microscopy, transmission electron microscopy, UV–visible spectroscopy, Fourier transmission infrared spectroscopy, and X-ray diffraction were employed to analysis the morphology and structure of the obtained PANI. The results show that the HTS-PANI is in semi redox state and highly crystallized, accompanied with good thermal stability. According to the galvanostatic charge–discharge analysis, the specific capacitance of the sample is up to 460 F g−1 at a current density of 0.2 A g−1 in 1 M KCl electrolyte, and retains about 58 % after 1,000 charge–discharge processes at a current density of 5 A g−1.