Device Modeling of the Performance of Cu(In,Ga)Se₂ Solar Cells with V-Shaped Bandgap Profiles

Figure 1

(a) Cell structure and cross-sectional SEM photographs of a CIGS/Mo solar cell fabricated on Mo-coated soda-lime glass substrate. (b) Simulation result from device modeling with baseline parameters including a grading bandgap compared with experimental J-V curve and SIMS data.

(a)

(b)