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

被引：3
|
作者：
Qin, Jin-Lan [1 ]
Li, Shan-Ji [1 ]
Yuan, Ning-Ning [1 ]
Chen, Ying [1 ]
Lei, Bing-Fu [2 ]
Hu, Chao-Fan [2 ]
Liu, Ying-Liang [2 ]
机构：
[1] Guangzhou Inst Techonl, Sch Petrochem Engn, Guangzhou 510075, Peoples R China
[2] South China Agr Univ, Coll Mat & Energy, Guangdong Prov Engn Technol Res Ctr Opt Agr, Guangzhou 510642, Peoples R China
来源：
MICRO & NANO LETTERS | 2020年 / 15卷 / 07期
关键词：
ENHANCEMENT;
D O I：
10.1049/mnl.2019.0529
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
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.
引用
收藏
页码：465 / 468
页数：4
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