Simulation and experimental study of a novel bifacial structure of silicon heterojunction solar cell for high efficiency and low cost

Huang Haibin¹, Tian Gangyu¹, Zhou Lang^{1, †}, Yuan Jiren^{1, 2, ‡}, Fahrner Wolfgang R¹, Zhang Wenbin³, Li Xingbing³, Chen Wenhao⁴, Liu Renzhong⁴

(color online) Schematic of silicon heterojunction solar cells with different structures: (a) HIT-1, (b) HIT-2, (c) HAC-1, and (d) HAC-2.