Journal
ELECTROANALYSIS
Volume 22, Issue 16, Pages 1867-1872Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/elan.201000058
Keywords
Prussian blue; Single-walled carbon nanotubes; Electrocatalysis; Hydrazine; Amperometric detection; Nanotubes
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Funding
- National Science Foundation of China [20871089]
- Natural Science Research Project of Education Department of Anhui Province [KJ2010ZD09, KJ2007A076, KJ2010B225, KJ2008B182, KJ2008A06ZC]
- Foundation of Anhui Provincial Education Department for Outstanding Young Talents in University [2009SQRZ172, 2008jq1138]
- Natural Science Foundation of Anhui Province [090416239]
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A slow reaction process has been successfully used to synthesize Prussian blue/single-walled carbon nanotubes (PB/SWNTs) nanocomposites. Electrochemical and surface characterization by cyclic voltammetry (CV), scanning electron microscopy (SEM), transmission electron microscopy (TEM), UV-vis absorption spectroscopy, Fourier transform infrared (FTIR) spectroscopy and X-ray diffraction (XRD) confirmed the presence of PB nanocrystallites on SWNTs. PB/SWNTs modified glassy carbon electrode (GCE) exhibits efficient electron transfer ability and high electrochemical response towards hydrazine. The fabricated hydrazine sensor showed a wide linear range of 2.0 x 10(-6)-6.0 x 10(-3) M with a response time less than 4s and a detection limit of 0.5 mu M. PB/SWNTs modified electrochemical sensors are promising candidates for cost-effective in the hydrazine assays.
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