Figure 6.

Equivalent circuit and Nyquist plots. (a) Equivalent circuit for the simulation of impedance spectra. (b) Nyquist plots of cells based on 26-μm films. The experimental impedance data were determined under 1 sun AM 1.5 G simulated light.

Chang et al. Nanoscale Research Letters 2012 7:688   doi:10.1186/1556-276X-7-688
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