1. Division of Nanophotonics
2. CAS Key Laboratory of Standardization and Measurement for Nanotechnology
3. CAS Center for Excellence in Nanoscience
4. National Center for Nanoscience and Technology
5. Beijing 100190
6. Centre for Advanced Optoelectronic Functional Materials Research and Key Laboratory of UV-Emitting Materials and Technology (Northeast Normal University)
7. Ministry of Education
8. Changchun 130024
9. China
10. Center for Programmable Materials
11. School of Materials Science and Engineering
12. Nanyang Technological University
13. Singapore 639798
14. Singapore
15. Department of Materials Science and Engineering
16. College of Engineering
17. Peking University
18. Beijing 100871