Commercial carbon nanotube as rear contacts for industrial p-type silicon solar cells with an efficiency exceeding 23%

Qing Gao, Jun Yan, Han Li, Jingwei Chen, Jingwei Chen, Xueliang Yang, Yuhua Bai, Xuning Zhang, Bingbing Chen, Jianxin Guo, Weiyuan Duan, Kaixin Han, Feng Li, Jianming Wang, Dengyuan Song, Shufang Wang, Benjamin S. Flavel, Jianhui Chen, Jianhui Chen