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

Qin JinLan | Zendy; Li ShanJi | Zendy; Yuan NingNing | Zendy; Chen Ying | Zendy; Lei BingFu | Zendy; Hu ChaoFan | Zendy; Liu YingLiang | Zendy

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

Author(s) -

Qin JinLan,

Li ShanJi,

Yuan NingNing,

Chen Ying,

Lei BingFu,

Hu ChaoFan,

Liu YingLiang

Publication year - 2020

Publication title -

micro and nano letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.25

H-Index - 31

ISSN - 1750-0443

DOI - 10.1049/mnl.2019.0529

Subject(s) - hydrogen peroxide , hydrothermal circulation , carbon quantum dots , quantum dot , carbon fibers , hydrothermal synthesis , nanotechnology , chemistry , chemical engineering , materials science , organic chemistry , composite number , composite material , engineering

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.

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