Analysis of the interdigitated back contact solar cells: The n-type substrate lifetime and wafer thickness

Zhang Wei^a), Chen Chen^a), Jia Rui†^a), Sun Yun^a), Xing Zhao^a), Jin Zhi^a), Liu Xin-Yu^a), Liu Xiao-Wen^b)

Variations of open-circuit voltage with wafer thickness for various bulk lifetimes, calculated by (a) the TCAD model of IBC solar cells, and (b) simple model of hole generation and diffusion. (c) Process of generation and diffusion of holes.