Impedance Spectroscopic Study of p-i-n Type a-Si Solar Cell by Doping Variation of p-Type Layer

Figure 8

Cole-Cole plot of a-Si solar cell at different (a) reversed biases (−0.1 V ~ −0.5 V) and (b) forward biases (0.1 V ~ 0.5 V) conditions.

(a)

(b)