Research on the spectral properties of luminescent carbon dots

Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
Li-ping LinJia-Ming Liu

Abstract

This paper is trying to research the developing status of carbon dots (CDs), and the results show that the simple, rapid and high yield synthetic methods for CDs and the application of CDs in biological science and analysis field will certainly become an inevitable development trend in the future. The CDs obtained by microwave possess excellent optical properties including UV-Vis absorption, fluorescence and room temperature phosphorescence. Under the conditions of 30 °C and 10 min, the fluorescence signal (F) of CDs not only could be enhanced by hexadecyltrimethylammonium bromide (CTAB), Triton X-100, Na(2)S, Na(2)C(2)O(4) and NH(3).H(2)O, but also could be quenched by sodium dodecyl sulfate, KBrO(3), K(2)S(2)O(8), NaIO(4), ascorbic acid, NaBH(4), HNO(3), HCl, H(2)SO(4), CH(3)COOH and most metal ions, with the λ(em)(max) blue or red shifting in varying degrees, indicating the potential values of CDs in analytical application. Besides, the sensitive response of F to pH showed the promise of developing a new pH sensor with CDs.

References

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Citations

Nov 18, 2015·Chemical Communications : Chem Comm·Huiwu YuYongfeng Lu
Sep 1, 2015·Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy·Huilin TaoZhenli Wu
Jun 27, 2014·Physical Chemistry Chemical Physics : PCCP·Mariia O DekaliukAlexander P Demchenko
Feb 7, 2019·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Sasi DivyaDeepa Khushalani
Jun 20, 2017·Methods and Applications in Fluorescence·Feiming LiXi Chen
Jun 12, 2020·Luminescence : the Journal of Biological and Chemical Luminescence·Feifei ZhaoChangli Lü
Feb 21, 2021·Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association·Shuo YaoJuan Wang

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