One-dimensional modeling of BC-BJ silicon soalr cells

In this study, simulation using a simplified one-dimensional (1D) back-junction solar cells structure to describe the effects which occur in the Back-Contact Back-Junction (BC-BJ) solar cell is performed. Our simulation results show that the BC-BJ cell is particularly suited for high lifetimes and thin substrate. Simulation results indicate that achieving a bulk lifetime of around 1 ms will need the requirement of realizing very high-efficiency BC-BJ cells. The effect of different cell parameters (e.g., surface recombination velocities-SRV, bulk lifetime, phosphorus doped front surface-FSF, bulk resistivity, etc.) is explored. The presence of the front FSF improves the front surface passivation and the optimum phosphorus doping profile depending on the SRV.