Fig. 6: The Nyquist plots of ISD-IS patterns.
From: Two quasi-interfacial p-n junctions observed by a dual-irradiation system in perovskite solar cells
Schematized strategies quasi p-n junction simple RC Voigt circuit element, for perovskite solar cell (a), Nyquist plots of impedance spectra obtained under 1 sun single (b), 1 sun and white LED illumination in the vicinity of maximum power at different temperature (c), comparison of the Nyquist plots with the single and dual illumination at room temperature (d).
