1. College of Chemistry and Molecular Engineering
2. Qingdao University of Science and Technology
3. Qingdao 266042
4. China
5. Department of Materials and Food
6. University of Electronic Science and Technology of China Zhongshan Institute
7. Zhongshan 528402
8. National Laboratory of Solid State Microstructures
9. College of Engineering and Applied Sciences and Collaborative Innovation Centre of Advanced Microstructures
10. Nanjing University
11. Nanjing 210093
12. Department of Physics
13. Jiangxi Science and Technology Normal University
14. Nanchang 330013