Abstract
In this article, Prussian blue (PB) covered multiwalled carbon nanotubes (MWCNTs)/polypyrrole (PPy) ternary composite nanofibers with good dispersibility in water and ethanol have been prepared by directly mixing ferric-(III) chloride and potassium ferricyanide in the presence of MWCNT/PPy coaxial nanofibers under ambient conditions. Transmission electron microscopy shows that the as-synthesized PB nanoparticles covered on the surface of MWCNT/PPy nanofibers. Fourier-transform infrared spectroscopy, UV–Visible spectroscopy, and X-ray diffraction patterns have been used to characterize the obtained MWCNT/PPy/PB ternary composite nanofibers. The MWCNT/PPy/PB ternary composite nanofibers exhibit good electrocatalytic response to detection of H2O2 and provide a new material to modify electrode for amperometric biosensors.
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Acknowledgements
This study was supported by the research grants from the National 973 Project (S2009061009), the National Natural Science Foundation of China (20904015, 50973038), and Jilin Science and Technology Department project (20100101, 201115014).
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E. Jin and Xiujie Bian contributed equally to this study.
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Jin, E., Bian, X., Lu, X. et al. Fabrication of multiwalled carbon nanotubes/polypyrrole/Prussian blue ternary composite nanofibers and their application for enzymeless hydrogen peroxide detection. J Mater Sci 47, 4326–4331 (2012). https://doi.org/10.1007/s10853-012-6283-8
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DOI: https://doi.org/10.1007/s10853-012-6283-8