1. Hebei Key Laboratory of Optic Electronic Information and Materials, College of Physics Science and Technology, Hebei University, Baoding 071002, China
2. Institute of Information Engineering, Quzhou College of Technology, Quzhou 324000, China
3. Jiufengshan Laboratory, Wuhan 430206, China
4. DAS SOLAR CO., Ltd, Green Industrial Cluster Zone, Quzhou 324000, China