碳点是一种新型荧光碳纳米材料,具有光致发光、荧光稳定、无光漂白和水溶性好等特点,被广泛应用于环境监测、分析检测及光电元器件等领域。介绍了荧光碳点的制备方法,如电化学合成法、激光烧蚀法、水热法、超声波法、微波法和模板法等,分析了荧光碳点在检测重金属离子过程中出现荧光淬灭的主要原因,综述了荧光碳点在重金属离子检测中的应用,并对其未来发展方向进行了展望。
Carbon dots are a new type of fluorescent carbon nanomaterials with the characteristics of photoluminescence,fluorescence stability,matt bleaching and good water solubility,etc,and are widely used in the fields of environmental monitoring,analysis and detection and photoelectric components.The preparation methods of fluorescent carbon dots,such as electrochemical synthesis,laser ablation,hydrothermal method,ultrasonic method,microwave method and template method,were introduced.The main reasons for fluorescence quenching of fluorescent carbon dots in the detection of heavy metal ions were analyzed.The application of fluorescent carbon dots in the detection of heavy metal ions was reviewed,and the future development direction was prospected.
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基金资助
2023年湖南省教育厅科学研究项目(23C0903);2022年湖南省教育厅科学研究项目(22C1220)
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