Fig. 5: Modeling of grain boundary recombination velocity.
From: Microscopic origins of performance losses in highly efficient Cu(In,Ga)Se2 thin-film solar cells
Extracted CL profiles across a GB (a), GB is located at zero position. Corresponding ln[ΔI] plot for positive distance values with linear regression (b). The corresponding equation for the linear regression curve is ln[ΔI(x)] = −x/0.42 + ln(0.73/(0.73 + 1)) where x is the distance.
