Figure 3.

Nyquist plot of the impedance characteristics between Zre and Zim. It is with the angular frequency ω = 2πf of pristine TiO2 electrode and TiO2 electrode doped with 5 wt.% of G2 and TiO2 electrode doped with 5 wt.% of G4.

Hong et al. Nanoscale Research Letters 2013 8:219   doi:10.1186/1556-276X-8-219
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