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N,S-co-doped carbon dots for rapid acid test paper and bioimaging
Juan Hou1,2, Jing Qin1, Hongyu Pang1
1Department of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University 26 Hexing Road Harbin 150040 PR China.
RSC Advances
|May 6, 2022
Abstract:
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.
