Figure 3. Nyquist diagram for a cell with KF and without KF respectively

From

Determination of Electrical Parameters of a CIGS-Based Solar Cell under the Influence of a KF Layer from Impedance Spectroscopy

Djimba Niane, Ibrahima Wade, Ousmane Diagne, Mouhamadou M.Socé, Moustapha Dieng

American Journal of Energy Research. 2018, 6(2), 42-46 doi:10.12691/ajer-6-2-2