Figure 5.

EIS curves ofaAu/GOD electrode (◯),bNEA/GOD electrode (▪) in the 5 mM [Fe(CN)6]3−/4−solution containing 0.1 M KCl. The real line in both (a) and (b) are the simulated curves (calculated based on the equivalent electrical circuit in Fig. 6), the insert is the magnified view ofb)

Liu et al. Nanoscale Research Letters 2008 4:210-215   doi:10.1007/s11671-008-9227-0