Coal-derived fluorescent carbon quantum dots for sensitive and selective detection of Cu2+ and Fe3+

被引：2
|
作者：
Zhao, Xiyu [1 ]
Han, Yuqi [1 ]
Miao, Xiangwen [1 ]
You, Xingmei [1 ]
Cao, Cheng [1 ]
机构：
[1] Hexi Univ, Sch Chem & Chem Engn, Key Lab Hexi Corridor Resources Utilizat Gansu, Zhangye, Gansu, Peoples R China
来源：
CARBON LETTERS | 2024年 / 34卷 / 09期
关键词：
Carbon quantum dots; Coal; Fluorescent; Metal ion detection; FACILE SYNTHESIS; IRON(III) IONS; NANODOTS; SENSOR;
D O I：
10.1007/s42823-024-00763-9
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A simple and effective method was developed to prepare fluorescent carbon quantum dots (CQDs) for the detection of Fe3+ and Cu2+ in aqueous solution. The water-soluble CQDs with the diameter around 2-5 nm were synthesized using anthracite coal as the precursor. In addition, the as-prepared CQDs exhibits sensitive detection properties for Fe3+ and Cu2+ metal cations with a detection limit of 18.4 nM and 15.6 nM, respectively, indicating that the coal-derived CQDs sensor is superior for heavy metal recognition and environmental monitoring.
引用
收藏
页码：2369 / 2376
页数：8
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