Abstract
An ordered mesoporous carbon (OMC) material was prepared. This material was characterized using transmission electron microscopy (TEM), X-ray diffraction (XRD) and N 2-adsorption isotherms. For the application of OMC, an OMC/didodecyldimethylammonium bromide (DDAB) composite was prepared and used as electrode modification material. The glassy carbon electrode (GCE) modified with this composite exhibit electro-catalytic activity toward the reduction of nitrobenzene (NB), which provieds a method of NB determination. For the electrochemical determination of NB, the catalytic cathodic peak currents were found to have a linear relationship with the NB concentration in the range from 2.0 × 10 − 5 to 2.9 × 10 − 3 mol/L with the detection limit down to 10 − 5 mol/L. The modified electrode also shows good reproducibility and stability for the determination of NB.
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