The n-type Si-based materials applied on the front surface of IBC-SHJ solar cells
Bao Jianhui1, 2, Tao Ke2, †, Lin Yiren1, Jia Rui2, ‡, Liu Aimin3, §
       

Energy band diagram of n+-a-Si: H/i-a-Si: H/c-Si/i-a-Si: H/p+-a-Si: H with different band gaps in thermal equilibrium.