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

被引：6

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

页码：465 / 468

页数：4

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