1. School of Science, Nanchang Institute of Technology, Nanchang 330099, P. R. China
2. Key Laboratory of Optoelectronic Materials and New Energy Technology, Nanchang Institute of Technology, Nanchang 330099, P. R. China
3. Nanchang Key Laboratory of Photoelectric Conversion and Energy Storage Materials, Nanchang 330099, P. R. China
4. Guangdong Titans Intelligent Power Co., Ltd, Zhuhai, 519060, P. R. China