1. Centre for Advanced Optoelectronic Functional Materials Research and Key Laboratory of UV-Emitting Materials and Technology (Northeast Normal University)
2. Ministry of Education
3. Changchun 130024
4. China
5. National Demonstration Center for Experimental Physics Education (Northeast Normal University)
6. Division of Nanophotonics
7. CAS Key Laboratory of Standardization and Measurement for Nanotechnology
8. CAS Center for Excellence in Nanoscience
9. National Center for Nanoscience and Technology
10. Beijing 100190