1. Key Laboratory of Optical Engineering
2. College of Physics and Electronic Engineering
3. Chongqing Normal University
4. Chongqing 400047
5. China
6. School of Physical Science and Technology
7. MOE Key Laboratory on Luminescence and Real-Time Analysis
8. Southwest University
9. Chongqing 400715
10. Department of Materials Science and Engineering
11. University of Tennessee
12. Knoxville
13. USA
14. Key Laboratory of Luminescence and Optical Information