1. 中国科学院长春光学精密机械与物理研究所 发光学及应用国家重点实验室,吉林 长春,130033
2. 中国科学院大学 北京,100049
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曲松楠, 孙铭鸿, 田震等. 氮掺杂碳点的合成与应用[J]. 发光学报, 2019,40(5): 557-580
QU Song-nan, SUN Ming-hong, TIAN Zhen etc. Synthesis and Application of Nitrogen-doped Carbon Dots[J]. Chinese Journal of Luminescence, 2019,40(5): 557-580
曲松楠, 孙铭鸿, 田震等. 氮掺杂碳点的合成与应用[J]. 发光学报, 2019,40(5): 557-580 DOI: 10.3788/fgxb20194005.0557.
QU Song-nan, SUN Ming-hong, TIAN Zhen etc. Synthesis and Application of Nitrogen-doped Carbon Dots[J]. Chinese Journal of Luminescence, 2019,40(5): 557-580 DOI: 10.3788/fgxb20194005.0557.
碳纳米点(碳点)是一种新型的纳米发光材料,具有优异的发光性能、良好的生物相容性、低毒性、水溶性好和表面易功能化等特性,在光电器件、生物成像、光热治疗等领域展现了潜在应用价值。然而,合成碳点的前驱体材料多种多样,合成方法各有不同,导致其发光机理复杂多样。本文主要针对使用柠檬酸作为碳源、尿素或氨水作为氮源,采用微波和溶剂热的合成方法制备的氮掺杂碳点,探索碳点的发光机理和抑制碳点聚集诱导荧光猝灭的方法,并进一步研究碳点在固态照明、可见光光通讯、生物成像和光热治疗等领域的应用前景。
Carbon nanodots(carbon dots) are a new type of nano-luminescent materials, which have such characteristics as excellent luminescence performance, good biocompatibility, low toxicity, good water solubility and easy surface functionalization, and have shown potential application value in the fields of optoelectronic devices, biological imaging and photothermal therapy. However, there are a variety of precursor materials for the synthesis of carbon nanodots, and the synthesis methods are different, leading to the complex and diverse luminescence mechanisms. This article mainly aims at preparing of nitrogen doped carbon nanodots by using citric acid as a carbon source or ammonia and urea as nitrogen source and solvent and microwave thermal methods, exploring the luminous mechanism of the carbon and inhibition of carbon accumulation induced fluorescence quenching method, and further research points of carbon in solid state lighting, visible in the field of optical communication, biological imaging and treatment of field application prospect.
氮掺杂碳纳米点发光机理固态照明生物成像光热治疗
nitrogen doped carbon nanodotsluminescence mechanismsolid lightingbiological imagingheat treatment
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