School of Chemistry and Chemical Engineering;
Anhui Key Laboratory of Modern Biomanufacturing;
Anhui University;
Hefei 230601;
China;
High Magnetic Field Laboratory;
Hefei Institutes of Physical Science;
Chinese Academy of Sciences;
Hefei 230031;
China;
CAS Key Laboratory of Soft Matter Chemistry;
Department of Polymer Science and Engineering;
University of Science and Technology of China;
Hefei 230601;
China;
Ioffe Institute;
Russian Academy of Sciences;
St.Petersburg 194021;
Russian Federation;
Carbon dots; Fluorine defects; Solid-state fluorescence; Thermosensitivity; Red emission;