Fluorescent N,S-CDs with a quantum yield of 37.8% were synthesized via a one-pot solvothermal method. Detailed characterizations on physical, chemical and optical properties have been investigated. N,S-CDs demonstrated remarkably quenched and enhanced fluorescence in acidic and basic media. Direct qualitative analysis in pH sensor and cell imaging were preliminarily studied.
J. Hou, J. Qin, H. Pang, X. Gao, T. Sun and B. Li, RSC Adv., 2020, 10, 41332 DOI: 10.1039/D0RA07550G
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