| Affiliation: | 1. Key Laboratory of Luminescence and Optical Information, Ministry of Education, School of Science, Beijing Jiaotong University, Beijing, P. R. China;2. International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), Tsukuba, Ibaraki, Japan;3. Research Institute of Unconventional Petroleum and Renewable Energy, China University of Petroleum (East China), Qingdao, P. R. China;4. School of Materials Science and Engineering, Hebei University of Technology, Tianjin, P. R. China;5. Hebei Key Laboratory of Boron Nitride Micro‐ and Nano‐Materials, Tianjin, P. R. China |
