Table 1.

Variation of some of the parameters derived from Fig. 7, heterogeneous rate constant (k⁰) as a function of potential sweep rate.

$\mathrm{\nu }$(mVs−1)	ΔEp (mV) for GO and E-GO		k0 (s−1) for GO and E-GO
	GO	E-GO	GO	E-GO
50	50	63	1.11	1.30
80	71	65	0.89	0.83
110	73	66	0.66	0.61
140	83	79	0.58	0.55
170	98	80	0.57	0.47
200	110	86	0.55	0.46
230	113	106	0.50	0.46
260	120	109	0.49	0.45
290	130	119	0.48	0.44
320	138	134	0.47	0.43
350	148	140	0.45	0.42
380	150	145	0.44	0.42