金属-有机框架(MOFs)材料具有丰富的多孔拓扑结构,与小分子或金属离子相互作用时其结构或性质发生变化,引起荧光或颜色发生变化,为开发基于MOFs的光学传感器提供了有利条件。碳量子点(CQDs)是一种新型类球状的纳米粒子,可吸收紫外可见光,具有良好的荧光性质,在荧光传感方面应用潜力巨大。将CQDs引入MOFs,为MOFs材料增加了新的活性点,制备的CQDs@MOFs复合材料具有响应时间更短,检出限更低的优势。介绍了CQDs@MOFs复合材料的制备方法及其在荧光传感器中的应用进展,并展望了CQDs@MOFs复合材料未来的发展前景。
Metal-organic frameworks (MOFs) materials have a rich porous topology,and when they interact with small molecules or metal ions,their structure or properties change,causing changes in fluorescence or color,which provides favorable conditions for the development of MOFs-based optical sensors.Carbon quantum dots (CQDs) are a new type of spheroidal nanoparticles and can absorb ultraviolet and visible light,with good fluorescence properties,offering great application potential in fluorescence sensing.Introducing CQDs into MOFs adds new active sites to MOFs materials,resulting in the prepared CQDs@MOFs with the advantages of shorter response time and lower detection limits.This paper reviewed the composite methods of CQDs@MOFs and their application progress in fluorescence sensors,and further discussed the future development prospects of CQDs@MOFs composites.
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基金资助
国家自然科学基金(21905107);吉林省科技发展计划项目(YDZJ202201ZYTS349)
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