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. 2017 Jul 12;7:5220. doi: 10.1038/s41598-017-05528-1

Figure 8.

Figure 8

(a) Nyquist plots of NiO particle, NiO hollow cube, NiO hollow sphere, NiO particle/rGO, NiO hollow cube/rGO, and NiO hollow sphere/rGO in 0.5 M KCl solution containing 10 mM K3Fe(CN)6. Inset image illustrates the equivalent circle model of the system. (b) Mechanism illustration for the enhanced glucose sensing performance.