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.
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基金资助
国家自然科学基金(52101224);甘肃省自然科学基金青年基金(20JR10RA257)
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