Figure 5

Cyclic voltammogram of GCE in acetonitrile solution containing (0.1 M LiClO4) (a) in the absence of BA; (b) in the presence of 10 mM BA; (c) CV of BA at Co-MOF/GCE in the same conditions of b, scan rate: 100 mV/s.

Cyclic voltammogram of GCE in acetonitrile solution containing (0.1 M LiClO4) (a) in the absence of BA; (b) in the presence of 10 mM BA; (c) CV of BA at Co-MOF/GCE in the same conditions of b, scan rate: 100 mV/s.