热敏型碳点作为温度传感材料的研究进展  

Research Progress of Thermosensitive Carbon Dots as Temperature Sensing Materials

作　　者：郭丁萌 李晓玉 孙天懿 连海兰 GUO Dingmeng;LI Xiaoyu;SUN Tianyi;LIAN Hailan(College of Materials Science and Engineering,Nanjing Forestry University,Nanjing 210037,China;Jiangsu Co-Innovation Centre of Efficient Processing and Utilization of Forest Products,Nanjing Forestry University,Nanjing 210037,China)

机构地区：[1]南京林业大学材料科学与工程学院,南京210037 [2]南京林业大学林业资源高效加工利用协同创新中心,南京210037

出　　处：《材料导报》2024年第18期43-53,共11页Materials Reports

基　　金：国家自然科学基金(32071703);江苏省自然科学基金项目(BK20221335)。

摘　　要：高灵敏度的非接触式温度传感在活细胞及活体的生物分析、空气动力学研究、光电功能体系研究及食品货物包装涂层的温度监测等领域有着广泛的应用。荧光蛋白、有机化合物、碳点、金属纳米颗粒、稀土掺杂纳米颗粒和半导体量子点等已经被应用于温度传感器。其中碳点具有水溶性好、光稳定性高、生物相容性高、生物毒性小、制备方法简便、原材料来源丰富等优势,能克服传统金属量子点易猝灭、易团聚和对环境有害等缺点,逐渐成为其他温度传感器的替代品。本文梳理了热敏型碳点的制备方法、性能表现和应用领域,综述了其荧光变化规律和温度-荧光的线性关系,并分析总结了目前仍存在的问题及未来的发展趋势,为后续研究学者提供思考和学习的理论支撑。High sensitivity non-contact temperature sensor has been widely used in biological analysis of living cells and living bodies,aerodynamics research,photoelectric functional system research and temperature monitoring of food and cargo packaging coatings.Fluorescent proteins,organic compounds,carbon dots,metal nanoparticles,rare earth doped nanoparticles and semiconductor quantum dots have been proved to be applied to temperature sensors.Among them,carbon dots have the advantages of good water solubility,high light stability,high biocompatibility,low biological toxicity,simple preparation methods,rich sources of raw materials,etc.They can overcome the shortcomings of traditional metal quantum dots,such as easy quenching,easy agglomeration and harmful to the environment,and gradually become the substitute of other temperature sensors.In this paper,the preparation methods,performance and application fields of thermosensitive carbon dots are reviewed,the fluorescence variation law and the linear relationship between temperature and fluorescence are reviewed,and the existing problems and future development trend are analyzed and summarized,providing theoretical support for the follow-up researchers to think and learn.

关 键 词：碳点 温度传感 荧光性能 杂原子掺杂 热灵敏度 

分 类 号：TQ57[化学工程—精细化工]