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氮掺杂碳纳米点的研究进展

李迪 孟李 曲松楠

李迪, 孟李, 曲松楠. 氮掺杂碳纳米点的研究进展[J]. 中国光学, 2020, 13(5): 899-918. doi: 10.37188/CO.2020-0035
引用本文: 李迪, 孟李, 曲松楠. 氮掺杂碳纳米点的研究进展[J]. 中国光学, 2020, 13(5): 899-918. doi: 10.37188/CO.2020-0035
LI Di, MENG Li, QU Song-nan. Research progress on nitrogen-doped carbon nanodots[J]. Chinese Optics, 2020, 13(5): 899-918. doi: 10.37188/CO.2020-0035
Citation: LI Di, MENG Li, QU Song-nan. Research progress on nitrogen-doped carbon nanodots[J]. Chinese Optics, 2020, 13(5): 899-918. doi: 10.37188/CO.2020-0035

氮掺杂碳纳米点的研究进展

doi: 10.37188/CO.2020-0035
基金项目: 国家自然科学基金项目(No. 61975200);吉林省科技发展计划(No. 20170101191JC,No. 20180101190JC,No. 20170101042JC);中科院青年创新促进会(No. 2018252);优秀青年科学基金项目(港澳)(No. 61922091);澳门大学资助项目(No. SRG2019-00163-IAPME)
详细信息
    作者简介:

    李迪:李 迪(1984—),女,辽宁营口人,副研究员,2007年、2012年于吉林大学分别获得学士、博士学位,主要从事碳纳米点发光特性及应用方面的研究。E-mail:lidi15@ciomp.ac.cn

    孟李:孟 李(1995—),男,新疆鄯善人,硕士研究生,2017年于吉林大学获得学士学位,主要从事固态发光碳纳米点材料及应用方面的研究。E-mail:mengli9528@163.com

    曲松楠(1979—),男,吉林长春人,教授,博士生导师,2004年、2009年于吉林大学分别获得学士、博士学位,主要从事碳基发光材料及应用方面的研究。E-mail:songnanqu@um.edu.mo

  • 中图分类号: TP383.1; O482.31

Research progress on nitrogen-doped carbon nanodots

Funds: Supported by National Natural Science Foundation of China (No.61975200); Jilin Province Science and Technology Research Projects (No. 20170101191JC, No. 20180101190JC, No. 20170101042JC); the Youth Innovation Promotion Association of CAS (No. 2018252); NSFC's Excellent Young Scientists Fund (HK & Macau) (No. 61922091); Funded by University of Macau (No. SRG2019-00163-IAPME)
More Information
  • 摘要: 碳纳米点由于具有独特的发光特性、良好的生物相容性、低毒性、良好的光稳定性等特性在近年来被广泛关注。这些特性使其在光电器件、可见光通讯、肿瘤治疗、生物成像等领域拥有潜在的应用价值。受到原料和合成方法的影响,碳纳米点材料体系多种多样。本文将系统地综述本课题组近年来以柠檬酸和尿素为主要原料合成的氮掺杂碳纳米点及其物理化学性质,探讨碳纳米点能带调控的方法及原理,并介绍碳纳米点的应用研究进展。
  • 图  1  (a)一种可能的CDs合成示意图;(b) CDs、(c) CDs-L和(d) CDs-S的激发-发射谱图[24]

    Figure  1.  (a) A possible growth mechanism of the CDs; excitation-emission matrices for (b) CDs, (c) CDs-L and (d) CDs-S[24]

    图  2  (a) g-CDs的透射电镜图;(b) g-CDs的傅立叶变换红外光谱图;(c) g-CDs溶液的吸收光谱和在不同波长激发下的发射光谱;(d) g-CDs涂在商用拭镜纸上,在不同波长激发下的发射光谱[25]

    Figure  2.  (a) TEM image of synthesized g-CDs; (b) Fourier transform infrared (FTIR) spectrum of g-CDs; (c) UV/Vis absorption and PL spectra of a dilute aqueous solution of g-CDs at various excitation wavelengths; (d) PL spectra of g-CDs-coated commercially available lens paper at various excitation wavelengths[25]

    图  3  (a)一种可能的CD1和CD2形成机制示意图;(b)CD1在不同激发波长下的发射光谱;(c) CD1和CD2乙醇溶液的吸收光谱和540 nm激发下的光谱[28]

    Figure  3.  (a) A possible growth mechanism for CD1 and CD2; (b) PL spectra of CD1 at various excitation wavelengths; (c) UV-Vis absorption spectra and PL spectra (540 nm excitation) of CD1 and CD2 dilute ethanol solution[28]

    图  4  (a)Supra-CDs结构,能级,吸收原理和光热效应示意图;(b)CDs和supra-CDs的吸收光谱;(c)supra-CDs水分散体(0.1 mg/mL)在不同功率密度732 nm激光照射下的光热图像[23]

    Figure  4.  (a) Schematic representations of the structure, energy alignment, absorption principle and photothermal effect in surpra-CDs; (b) absorption spectra of CDs and supra-CDs; (c) photothermal profile of supra-CDs aqueous dispersions (0.1 mg/mL) irradiated by 732 nm laser with different power densities[23]

    图  5  (a)CDs在水中和DMSO中的吸收光谱;CDs在水中和DMSO中在(b)561 nm和(c)732 nm波长激光激发下的荧光光谱;(d)CDs和DMSO-CDs的XRD图;高分辨XPS谱:C 1s (e), N 1s (f), O 1s (g);(h)在1400 nm激发下与入射强度相关的多光子激发的荧光光谱;(i)1400 nm激发下发射的能量依赖关系[30]

    Figure  5.  (a) Absorption spectra of CDs in H2O and DMSO; fluorescent spectra of CDs in H2O and DMSO under excitation of a (b) 561 nm and (c) 732 nm laser; (d) XRD profiles of bare CDs and DMSO-CDs; (e-g) high-resolution XPS spectra C 1s (e), N 1s (f), O 1s (g); (h)fluorescence spectra of multiphoton excitation associated with incident intensities at 1 400 nm excitation; (i) power dependence of emission at 1400 nm excitation[30]

    图  6  (a)R-CDs经微波辅助剥离形成 NIR-CDs示意图;(b)R-CDs和NIR-CDs的吸收光谱(实线)和NIR-COS在DMF中的发射光谱(虚线);(c)NIR-CDs在808 nm激光激发下的上转换发射光谱;(d)NIR-CDs在DMF中加热和冷却过程中的温度相关发射光谱;(e)上转换光致发光和下转换光致发光的发射强度比的温度依赖性[33]

    Figure  6.  (a) Schematic diagram of the formation process of NIR-CDs through the microwave-assisted exfoliation of R-CDs; (b) absorption spectra (solid lines) of R-CDs and NIR-CDs, and PL spectra of NIR-CDs (dashed line) in DMF; (c) UCPL spectrum of NIR-CDs in DMF under 808 nm laser excitation; (d) typical temperature dependent emission spectra of NIR-CDs in DMF during the heating and cooling processes; (e) temperature dependence of the integrated emission intensity ratio of UCPL and SPL bands[33]

    图  7  (a)合成CDs@BaSO4荧光粉的机理图[38];(b)通过真空加热法合成CDs生长机理示意图[40]

    Figure  7.  (a) Schematic diagram of fabrication of CDs@BaSO4 hybrid phosphor[38]; (b) schematic diagram of growth mechanism of CDs synthesized by vaccum heating method[40]

    图  8  (a)基于以柠檬酸和b-PEI为原料合成的CDs荧光粉的WLED[39];(b)基于g-CDs@starch和r-CDs@PVP荧光粉的WLED[43]

    Figure  8.  (a) WLED of CDs phosphor fabricated by citric acid and b-PEI[39]; (b)WLED based on g-CDs@starch and r-CDs@PVP phosphor[43]

    图  9  (a)使用蓝光激光二极管和ox-CDs荧光粉产生的白光光谱;(b)小信号频率响应和数据传输测量原理图;(c)ox-CDs(黑线)和蓝色激光与ox-CDs组成的白光源(红线)的频率响应;(d)ox-CDs(黑线)和白光(红线)的OOK线在不同数据速率下的误码率[10]

    Figure  9.  (a) White light spectrum generated by blue laser diode and ox-CDs phosphor; (b) schematic diagram of small-signal frequency response and data transmission measurements; (c) frequency responses of the ox-CDs (black line) and white-light (red line) source combining the blue laser and ox-CDs; (d) BER of OOK of ox-CDs (black line) and white-light (red line) at different data rates [10]

    图  10  (a)使用supra-CDs喷水打印实现的数据加密照片[48];(b)CD@PVA复合材料在60 ℃退火、200 ℃退火和水雾喷涂后的发光机制示意图及经水雾喷涂、60 ℃和200 ℃退火的CD@PVA复合材料进行多重信息加密的示意图[50]

    Figure  10.  (a) Data encryption photograph obtained by supra-CDs water-jet printing[48]; (b) schematic diagram of luminescence mechanism of CD@PVA composites with annealing temperature of 60 ℃ and 200 ℃, and after water spraying, and corresponding multiple data encryption graph[50]

    图  11  (a)未经处理的CDs和富含C=O分子修饰的CDs的结构和能级对比示意图;(b)CD/PVP水溶液灌胃前后小鼠活体荧光成像[30];(c)体内CDs的被动靶向:注射CDs后小鼠尸体在不同时间点的近红外荧光成像[29]

    Figure  11.  (a) Schematic of structure and energy level alignments of nontreated CDs and CDs modified with C=O-rich molecules; (b) in Vivo NIR fluorescent images of a mouse before and after gavage injection of CDs in PVP aqueous solution[30]; (c) passive targeting of CDs in vivo: NIR fluorescence images of mouse bodies after intravenous injection of CDs at various time points[29]

    图  12  传统热疗法和基于纳米粒子靶向肿瘤的光热疗法[53]

    Figure  12.  Representation of the conventional thermal therapy and photothermal therapy based on nanoparticals[53]

    图  13  (a)静脉注射CDs的小鼠在不同时间点用1 W/cm2的655 nm激光照射下的红外热成像图;(b)小鼠肿瘤部位随照射时间变化的温度变化曲线;(c)经不同条件治疗后活鼠体内H22肿瘤发展情况图;(d)小鼠H22肿瘤生长曲线及各组治疗后的生存率[29]

    Figure  13.  (a) IR thermal images of mice with intravenous CDs injected at different times under irradiation at the tumor region by 655 nm laser at 1 W/cm2; (b) temperature at mouse tumor sites as a function of the irradiation duration; (c) photographs that document H22 tumor development on several days in live mice under various treatment conditions; (d) tumor growth curves of H22 tumors in mice and survival rates of the groups after therapy [29]

    图  14  CDs和随后合成的N-PCFs的示意图[58]

    Figure  14.  Schematic diagram of growth mechanism for the CDs and subsequently synthesized N-PCFs[58]

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出版历程
  • 收稿日期:  2020-03-06
  • 修回日期:  2020-04-08
  • 网络出版日期:  2020-09-10
  • 刊出日期:  2020-10-01

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