1. Institute of Photoelectronic Thin Film Devices and Technology of Nankai University, Tianjin, 300350, China
2. Key Laboratory of Photoelectronic Thin Film Devices and Technology of Tianjin, Tianjin, 300350, China
3. Collaborative Innovation Center of Chemical Science and Engineering, Tianjin, 300072, China
4. Renewable Energy Conversion and Storage Center of Nankai University, Tianjin, 300071, China
5. Jinko Solar, Haining, Zhejiang, 314400, China