Research Article

Highly Sensitive Detection of Dopamine at Ionic Liquid Functionalized RGO/ZIF-8 Nanocomposite-Modified Electrode

Figure 7

DPV curve for different concentrations of DA (from bottom to top: 0, 0.01, 0.1, 1, 5, 10, 30, 50, 70, 90, and 100 μM) on IL-RGO(2)/ZIF-8/GCE in 0.1 M PBS solution with pH 7.0 (scan rate: 100 mV·s−1). Inset: the linear calibration plots of peak current () versus the concentration of DA.