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材料导报  2026, Vol. 40 Issue (5): 25030181-6    https://doi.org/10.11896/cldb.25030181
  无机非金属及其复合材料 |
重氮盐化学构筑量子缺陷:碳纳米管的高效共价功能化
赵雨晴, 尹太山, 黄中杰*
东华大学材料科学与工程学院,先进纤维材料全国重点实验室,上海 201620
Quantum Defects Constructed by Diazonium Salt Chemistry: Efficient Covalent Functionalization of Carbon Nanotubes
ZHAO Yuqing, YIN Taishan, HUANG Zhongjie*
State Key Laboratory of Advanced Fiber Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
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摘要 作为一维量子材料,单壁碳纳米管具有独特的电学和光学性能。通过在半导体单壁碳纳米管的sp2晶格中合成sp3缺陷,可将传统晶体里不受欢迎的缺陷变成调配低维材料中电子、激子、声子和自旋耦合的分子焦点。这类量子缺陷在室温单光子源、近红外二区生物成像、化学传感等领域有广阔的应用前景。然而目前的合成研究大多局限于溶液体系,对于许多光电子器件、光子系统和量子网络等应用中所需的固态薄膜上的合成研究较少。本工作围绕碳纳米管的成膜制备、膜上原位缺陷合成和表征三个核心环节展开研究,利用碘化钾还原芳基重氮盐对碳纳米管进行功能化修饰,通过系统地调控反应时间、反应物浓度,得到规律性的功能化效果。功能化方法操作简单,快捷高效,且无需施加光、电、热等其他条件。拉曼光谱D峰的增强以及荧光光谱中出现的新的发光峰都证实了量子缺陷合成的成功。本研究成功实现了在薄膜上合成量子缺陷,为进一步拓展其在生物成像、传感器和量子技术等领域的应用做出贡献。
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赵雨晴
尹太山
黄中杰
关键词:  单壁碳纳米管(SWCNTs)  重氮化学  量子缺陷  固相体系    
Abstract: As one-dimensional quantum materials, single-walled carbon nanotubes (SWCNTs) exhibit unique electrical and optical properties. By introducing sp3 defects into the sp2 lattice of semiconductor SWCNTs, traditionally undesirable crystal defects can be transformed into molecular focal points that modulate the coupling of electrons, excitons, phonons, and spins. These quantum defects hold significant potential for applications in room-temperature single-photon sources, near-infrared II bioimaging, and chemical sensing. However, current synthesis research is largely confined to solution-based systems, with limited exploration of synthesis on solid-state films, which are crucial for applications in optoelectronic devices, photonic systems, and quantum networks. This study focuses on three core areas: film preparation, in-situ defect synthesis on these films, and their characterization. This work utilized potassium iodide to reduce aryl diazonium salts for functionalizing and modifying SWCNTs, systematically controlling reaction time and reactant concentration to achieve consistent functionalization effects. The method is simple, fast, and efficient, requiring no additional light, electrical, or thermal conditions. The enhanced D peaks in Raman spectra and the emergence of new emission peaks in fluorescence spectra confirm the successful synthesis of quantum defects. The research successfully demonstrates the synthesis of quantum defects on films, contributing to the advancement of their applications in bioimaging, sensors, and quantum technologies.
Key words:  single-walled carbon nanotubes (SWCNTs)    diazo chemistry    quantum defects    solid-phase systems
出版日期:  2026-03-10      发布日期:  2026-03-10
ZTFLH:  TB383  
基金资助: 国家自然科学基金(52273283)
通讯作者:  *黄中杰, 博士, 东华大学材料科学与工程学院、化学纤维与高分子材料改性国家重点实验室的教授。   
作者简介:  赵雨晴,东华大学材料科学与工程学院硕士研究生,在黄中杰教授的指导下进行研究。目前主要研究领域为单壁碳纳米管表面共价功能化。
引用本文:    
赵雨晴, 尹太山, 黄中杰. 重氮盐化学构筑量子缺陷:碳纳米管的高效共价功能化[J]. 材料导报, 2026, 40(5): 25030181-6.
ZHAO Yuqing, YIN Taishan, HUANG Zhongjie. Quantum Defects Constructed by Diazonium Salt Chemistry: Efficient Covalent Functionalization of Carbon Nanotubes. Materials Reports, 2026, 40(5): 25030181-6.
链接本文:  
https://www.mater-rep.com/CN/10.11896/cldb.25030181  或          https://www.mater-rep.com/CN/Y2026/V40/I5/25030181
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