College of Chemistry;
Zhengzhou University;
Zhengzhou 450001;
China;
College of Materials Science and Engineering;
Zhengzhou University;
Zhengzhou 450001;
China;
State Key Laboratory of Supramolecular Structure and Materials;
College of Chemistry;
Jilin University;
Changchun 130012;
China;
Kilogram-scale; Carbon quantum dots; Hydrogen evolution; Sensing; Bioimaging;