Rapid hydrothermal method for the preparation of carbon quantum dots in the presence of hydrogen peroxide

Micro & nano letters

article

Jin-Lan Qin¹  Shan-Ji Li¹  Ning-Ning Yuan¹  Ying Chen¹  Bing-Fu Lei²  Chao-Fan Hu²  Ying-Liang Liu² 

[1] School of petrochemical engineering, Guangzhou Institute of Techonlogy;Guangdong Provincial Engineering Technology Research Center for Optical Agriculture, College of Materials and Energy, South China Agricultural University

关键词: quantum dots;    carbon;    X-ray photoelectron spectra;    fluorescence;    cellular biophysics;    photoluminescence;    Fourier transform infrared spectra;    biomedical optical imaging;    rapid hydrothermal method;    carbon quantum dots;    hydrogen peroxide;    fluorescent nanomaterials;    reaction time;    X-ray photoelectron spectroscopy;    Fourier transform infrared spectrometry;    oxygen-containing groups;    bright yellow luminescence;    UV light;    bioimaging;    HeLa cells;    biocompatibility;    ecofriendly one-pot hydrothermal method;    C;   

DOI  :  10.1049/mnl.2019.0529

学科分类：计算机科学（综合）

来源: Wiley

【 摘 要 】

Carbon quantum dots (CQDs) have been studied for years as one of the most promising fluorescent nanomaterials. Herein, CQDs were prepared rapidly by a simple, eco-friendly one-pot hydrothermal method in the presence of hydrogen peroxide. Different sizes of CQDs are obtained by changing the reaction time. X-ray photoelectron spectroscopy and Fourier transform infrared spectrometry demonstrated the existence of a large number of oxygen-containing groups on the surface of CQDs. The as-prepared CQDs exhibited bright yellow luminescence under UV light, they are applied for bioimaging of HeLa cells, and showed bright luminescence and excellent biocompatibility.

【 授权许可】

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