Improved performance of microcrystalline silicon solar cell with graded-band-gap silicon oxide buffer layer

Shi Zhen-Liang, Ji Yun, Yu Wei†, Yang Yan-Bin, Cong Ri-Dong, Chen Ying-Juan, Li Xiao-Wei‡, Fu Guang-Sheng

Schematic diagrams of the cell A (a) and cell B (b).