Identification of embedded nanotwins at c-Si/a-Si:H interface limiting the performance of high-efficiency silicon heterojunction solar cells

Xianlin Qu, Yongcai He, Minghao Qu, Tianyu Ruan, Feihong Chu, Zilong Zheng, Yabin Ma, Yuanping Chen, Xiaoning Ru, Xixiang Xu, Hui Yan, Lihua Wang, Yongzhe Zhang, Xiaojing Hao, Ziv Hameiri, Zhi‐Gang Chen, Lianzhou Wang, Kun Zheng