1. School of Materials and Energy, Southwest University, No. 2 Tiansheng Road, BeiBei District, Chongqing 400715, P. R. China
2. Guizhou Phosphate New Energy Technology Co., Ltd., Fuquan 550501, China
3. School of Physical Science and Technology, and Chongqing Key Laboratory of Micro & Nano Structure Optoelectronics, Southwest University, No. 2 Tiansheng Road, BeiBei District, Chongqing 400715, P. R. China
4. College of Chemistry and Chemical Engineering, Key Laboratory of Laser Technology and Optoelectronic Functional Materials of Hainan Province, and Key Laboratory of Functional Materials and Photoelectrochemistry of Haikou, Hainan Normal University, Haikou 571158, China