1. School of Physics and Electronic Electrical Engineering
2. Huaiyin Normal University
3. Huaian 223001
4. P. R. China
5. School of Science
6. Nanjing University of Science and Technology
7. Nanjing 210094
8. All-solid-state Energy Storage Materials and Devices Key Laboratory of Hunan Province
9. College of Information and Electronic Engineering
10. Hunan City University
11. Yiyang
12. School of Materials Science and Engineering
13. Nanchang University
14. Nanchang