1. CAS Key Lab of Bio‐Medical Diagnostics Suzhou Institute of Biomedical Engineering and Technology Chinese Academy of Sciences No.88, Keling Road Suzhou 215163 P. R. China
2. The State Key Laboratory of Luminescence and Applications Changchun Institute of Optics Fine Mechanics and Physics Chinese Academy of Sciences 3888 East Nan‐Hu Road, Open Economic Zone Changchun 130033 P. R. China
3. Key Laboratory for Photonic and Electronic Bandgap Materials Ministry of Education School of Physics and Electronic Engineering Harbin Normal University Harbin 150025 P. R. China
4. Centre de Recherche sur la Matière Divisée CRMD UMR 6619 Université d'Orléans CNRS 1b rue de la férollerie Orléans Cedex 2 45071 France