A facile synthesis of self-doped carbon dots from 2-aminoterephthalic acid and their applications

被引:8
|
作者
Tu, Yufei [1 ]
Li, Guoqiang [1 ]
Wang, Xuan [1 ]
Wang, Shiqi [1 ]
Cheng, Shijie [1 ]
Zuo, Danying [1 ]
Xu, Jing [1 ]
Zhang, Hongwei [1 ]
机构
[1] Wuhan Text Univ, Coll Mat Sci & Engn, Wuhan 430073, Hubei, Peoples R China
关键词
2-Aminoterephthalic acid; Hydrothermal carbonization; Carbon dot; Fluorescence; UV protection; QUANTUM DOTS; FLUORESCENT-PROBE; BLUE LUMINESCENCE; NITROGEN; FE3+; NANOPARTICLES; GREEN; PHOTOLUMINESCENCE; MULTICOLOR; COMPOSITE;
D O I
10.1016/j.mtcomm.2019.100599
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Self-doped carbon dots with N elements (N-CDs) are successfully prepared through one-pot hydrothermal carbonization strategy by using 2-aminoterephthalic acid as a new precursor. The as-prepared N-CDs show a size of 5-10 nm and display wavelength-independent fluorescence. Their maximum excitation and emission wavelength are 340 and 423 nm, respectively. They demonstrate a highly selective and sensitive detection of Fe3+ ions in the range of 5-100 mu M via an effective fluorescence quenching mechanism. Furthermore, the cotton fabrics treated by these N-CDs have excellent ultraviolet (UV)-protective property. Therefore, they have potential to be used for the detection of Fe3+ ions, the UV fluorescent ink and the UV protection for cotton fabrics.
引用
收藏
页数:7
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