Fig. 10. (A) DPVs of HKUST-1/ITO in 0.1 M pH 3.63 PBS solution with different concentrations of AA at scan rate of 100 mV s−1: 0, 0.01, 0.1, 1, 5, 10, 25, 50, 75, 100, 125, 150, 175, 225 and 265 mM (from a to o). (B) The calibration curve of Δipavs. CAA at high concentrations and lower concentrations (inset), respectively.
