1. Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University) Ministry of Education School of Materials and Energy Southwest University Chongqing 400715 P. R. China
2. BIC‐ESAT & School of Materials Science and Engineering Peking University Beijing 100871 P. R. China
3. College of Metallurgy and Materials Engineering Chongqing University of Science and Technology Chongqing 401331 P. R. China
4. Chongqing Key Laboratory of Ultrasound Molecular Imaging Institute of Ultrasound Imaging Second Affiliated Hospital Chongqing Medical University Chongqing 400010 P. R. China
5. Xiangyang Central Hospital Affiliated Hospital of Hubei University of Arts and Science Xiangyang Hubei 441053 P. R. China
6. Department of Chemistry Tsinghua University 30 Shuangqing Rd, Haidian District Beijing 100084 P. R. China
7. Beijing Institute Brain Disorders Capital Medical University Beijing 100069 P. R. China
8. Beijing National Laboratory for Condensed Matter Physics Institute of Physics Chinese Academy of Sciences Beijing 100190 P. R. China