Figure 3

(a) Cyclic voltammogram of NiO–Pt–H/B,1,10,P,1,10,PDNiPF6/CPE in the PBS (pH 7.0). (b) Cyclic voltammogram of B,1,10,P,1,10,PDNiPF6/CPE in the presence of 500 µM cysteamine. (c) Cyclic voltammogram of NiO–Pt–H/B,1,10,P,1,10,PDNiPF6/CPE in the presence of 500 µM cysteamine. (d) Cyclic voltammogram of NiO–Pt–H/CPE in the presence of 500 µM cysteamine and (e) cyclic voltammogram of CPE in the presence of 500 µM cysteamine (condition; pH 7.0, scan rate 10 mV/s).