Abstract
Platinum nanoparticles on polyaniline-coat multi-walled carbon nanotubes were fabricated by electrochemical method at paraffin-impregnated graphite electrode (Pt/PAN/MWCNTs). The material was characterized by various methods including field emission scanning electron microscope (FE-SEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and electrochemical techniques. The electrode has been effectively applied toward formaldehyde (HCHO) sensing. A good linear response curves from 1 × 10−9 to 1 × 10−3 M can be obtained with a lower detection limit of 4.6 × 10−11 M (S/N 3). The successful preparation of nanocomposites opens a new path to fabricate the promising sensor for HCHO.
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Acknowledgements
The authors gratefully acknowledge financial support from Natural Science Foundation of Anhui Province of China (No. 070415210), Science and Technology Program Foundation of Hefei City (No. 20071032), and Doctor Foundation of Hefei University of Technology (2005).
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Jin, GP., Li, J. & Peng, X. Preparation of platinum nanoparticles on polyaniline-coat multi-walled carbon nanotubes for adsorptive stripping voltammetric determination of formaldehyde in aqueous solution. J Appl Electrochem 39, 1889–1895 (2009). https://doi.org/10.1007/s10800-009-9896-0
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DOI: https://doi.org/10.1007/s10800-009-9896-0