用于灵敏和选择性检测 Cu2+ 和 Fe3+ 的煤衍生荧光碳量子点

IF 5.5 3区材料科学 Q2 CHEMISTRY, MULTIDISCIPLINARY Carbon Letters Pub Date : 2024-06-18 DOI:10.1007/s42823-024-00763-9

Xiyu Zhao, Yuqi Han, Xiangwen Miao, Xingmei You, Cheng Cao

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引用次数: 0

摘要

本研究开发了一种简单有效的方法来制备用于检测水溶液中 Fe3+ 和 Cu2+ 的荧光碳量子点（CQDs）。该方法以无烟煤为前驱体，合成了直径约为 2-5 nm 的水溶性碳量子点。此外，所制备的 CQDs 对 Fe3+ 和 Cu2+ 金属阳离子具有灵敏的检测特性，检测限分别为 18.4 nM 和 15.6 nM，这表明煤制 CQDs 传感器在重金属识别和环境监测方面具有优越性。

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

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.

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来源期刊

Carbon Letters CHEMISTRY, MULTIDISCIPLINARY-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

7.30

自引率

20.00%

发文量

118

期刊介绍： Carbon Letters aims to be a comprehensive journal with complete coverage of carbon materials and carbon-rich molecules. These materials range from, but are not limited to, diamond and graphite through chars, semicokes, mesophase substances, carbon fibers, carbon nanotubes, graphenes, carbon blacks, activated carbons, pyrolytic carbons, glass-like carbons, etc. Papers on the secondary production of new carbon and composite materials from the above mentioned various carbons are within the scope of the journal. Papers on organic substances, including coals, will be considered only if the research has close relation to the resulting carbon materials. Carbon Letters also seeks to keep abreast of new developments in their specialist fields and to unite in finding alternative energy solutions to current issues such as the greenhouse effect and the depletion of the ozone layer. The renewable energy basics, energy storage and conversion, solar energy, wind energy, water energy, nuclear energy, biomass energy, hydrogen production technology, and other clean energy technologies are also within the scope of the journal. Carbon Letters invites original reports of fundamental research in all branches of the theory and practice of carbon science and technology.