综述与专论

碳量子点荧光材料在金属离子检测中的应用

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  • 安康学院化学化工学院新型材料研究中心,陕西省富硒食品质量监督检验中心,安康725000
张继东(1986-),男,博士,副教授,主要研究领域为发光化工材料,E-mail:akuzjd@aku.edu.cn。

收稿日期: 2021-07-20

  修回日期: 2022-06-21

  网络出版日期: 2022-11-30

基金资助

陕西省科技厅基金项目(2019JQ-504和2019JM-501);陕西省重点研发计划项目(2020GY-246);陕西省教育厅专项科研计划项目(20JK0473);国家级大学生创新创业训练计划(201911397007和201911397016)

Application of carbon quantum dots fluorescent materials for metal ions detection

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  • Department of Chemistry and Chemical Engineering,Research Centre of New Materials, Quality Super-vision and Inspection Centre of Se-enriched Food of Shaanxi Province, Ankang Univerisity,Ankang 725000

Received date: 2021-07-20

  Revised date: 2022-06-21

  Online published: 2022-11-30

摘要

碳量子点(CQDs)具有独特的发光性能、优异的化学稳定性、易表面修饰、毒性小及良好的生物相容性等优点,在光学器件、光催化、化学传感及生物成像等领域备受青睐。研究发现,通过控制合成条件和选择不同碳源可得到荧光性能各异的CQDs,其在各个领域得到广泛应用。近年来,CQDs在生物传感器方面得到了极大关注,并有望成为未来应用最为广泛的一种生物材料。金属离子与多种生理过程有关,其灵敏性和高选择性的检测和成像非常需要。综述了以有机小分子为碳源的CQDs在金属离子检测中的一些最新研究成果,阐述了CQDs用于金属离子检测的荧光传感机理,并对CQDs金属离子传感器的发展进行了展望。

本文引用格式

张继东, 候丹, 陈汉 . 碳量子点荧光材料在金属离子检测中的应用[J]. 化工新型材料, 2022 , 50(11) : 5 -10 . DOI: 10.19817/j.cnki.issn1006-3536.2022.11.002

Abstract

Carbon quantum dots (CQDs) have the advantages of unique luminescence performance,excellent chemical stability,easy surface modification,low toxicity and good biocompatibility,therefore they are favored in the fields of optical devices,photocatalysis,chemical sensing and biological imaging.Research has found that CQDs with different fluorescence properties can be obtained by controlling synthesis conditions and selecting different carbon sources,which has been widely used in various fields.In recent years,CQDs have received great attention in biosensors and is expected to become one of the most promising biological materials in the future.Metal ions are essential in many physiological processes,and high sensitivity and selectivity CQDs are in high demand for detection and imaging.The new development of CQDs using small organic molecules as carbon sources in metal ion detection was reviewed,the fluorescence sensing mechanism of CQDs for metal ion detection was elaborated,and the progress of CQDs metal ion sensors was discussed.

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