1. State Key Laboratory for Mechanical Behavior of Materials, School of Materials Science & Engineering, Xi’an Jiaotong University, Xi’an, 710049, People’s Republic of China
2. Weihua Solar Co. Ltd., Xiamen, 361115, People’s Republic of China
3. Wuhan
National Laboratory for Optoelectronics, School of Optical and Electronic
Information, Huazhong University of Science and Technology, Luoyu
Road 1037, Wuhan, 430074, People’s Republic of China