碳量子点荧光纳米探针检测重金属离子研究进展  

Research progress on the detection of heavy metal ions by carbon quantum dots-based fluorescent nanoprobes

作　　者：寇文敏 王伟[1] 曾雪 刘宝勇[1] Kou Wenmin;Wang Wei;Zeng Xue;Liu Baoyong(School of Chemistry and Chemical Engineering,Lanzhou Jiaotong University,Lanzhou 730070;School of Mathematics and Physics,Lanzhou Jiaotong University,Lanzhou 730070)

机构地区：[1]兰州交通大学化学化工学院,兰州730070 [2]兰州交通大学数理学院,兰州730070

出　　处：《化工新型材料》2024年第12期228-233,共6页New Chemical Materials

基　　金：国家自然科学基金(52101224);甘肃省自然科学基金青年基金(20JR10RA257)。

摘　　要：碳量子点(CQDs)作为荧光纳米探针用于重金属离子检测,具有操作简单、成本低、准确性高和快速响应等特点。介绍了CQDs荧光纳米探针检测重金属离子的荧光淬灭机理,总结了影响CQDs荧光纳米探针性能的主要因素,指出了目前CQDs荧光纳米探针检测重金属离子中存在的问题,最后展望了CQDs荧光纳米探针未来的发展前景。Carbon quantum dots(CQDs)as fluorescent nanoprobes for the detection of heavy metal ions have the characteristics of simple operation,low cost,high accuracy and fast response.The fluorescence quenching mechanism of CQDs fluorescent nanoprobes for the detection of heavy metal ions was introduced.The main factors affecting the performance of CQDs fluorescent nanoprobes were summarized.The problems existing in the detection of heavy metal ions by CQDs fluorescent nanoprobes were pointed out.Finally,the future development prospects of CQDs fluorescent nanoprobes were discussed.

关 键 词：碳量子点 重金属离子 荧光纳米探针 机理 荧光量子产率 

分 类 号：O631[理学—高分子化学]