A potential forecast of carbon quantum dots (CQDs) as an ultrasensitive and selective fluorescence probe for Hg (II) ions sensing

被引：26
作者：
Dhandapani, Elumalai [1 ]
Maadeswaran, P. [2 ]
Raj, R. Mohan [1 ]
Raj, Vairamuthu [3 ]
Kandiah, Kavitha [4 ,5 ]
Duraisamy, Navaneethan [1 ]
机构：
[1] JKK Nataraja Coll Arts & Sci, Dept Chem, Namakaal, Tamil Nadu, India
[2] Periyar Univ, Dept Energy Sci & Technol, Salem, Tamil Nadu, India
[3] Periyar Univ, Dept Chem, Salem, Tamil Nadu, India
[4] Paavai Inst, Paavai Engn Coll, Dept Biomed Engn, Pachal 637018, India
[5] Paavai Inst, Dept Biotechnolog, Paavai Engn Coll, Pachal 637018, India
来源：
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS | 2023年 / 287卷
关键词：
CQDs; Fluorescence probe; High quantum yield; Green fluorescence; Hg2+sensor; GREEN SYNTHESIS; NANOPARTICLES; GLUTATHIONE;
D O I：
10.1016/j.mseb.2022.116098
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Carbon quantum dots (CQDs) are remarkable nanomaterials owing to their auspicious aspects. Herein, we synthesized highly green fluorescent CQDs via a one-step facile hydrothermal method using a chicken feather as a carbon source. The synthesized CQDs have an average particle size of -5 +/- 1 nm in diameter with a quantum yield of -77.2 %. As-prepared CQDs are directly used as a fluorescent probe for the sensitive and selective detection of Hg2+ ions with a detection limit of -6.2 nM. Interestingly, the above results suggested that the synthesized CQDs as a potential candidate for Hg2+ sensing application.
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页数：8
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