Facile preparation of low temperature carbon dots with long-wavelength emission and their sensing applications for crystal violet

被引：7

作者：

Li, Tianze ^{[1
]}

Dong, Yuanyuan ^{[1
]}

Su, Yewenqing ^{[1
]}

Li, Yang ^{[1
]}

Wang, Jiaming ^{[1
]}

Hu, Jing ^{[1
]}

Li, Jialin ^{[1
]}

机构：

[1] Heilongjiang Inst Technol, Coll Mat & Chem Engn, Harbin 150050, Peoples R China

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2024年 / 310卷

关键词：

Low -temperature carbon dots; Long -wavelength emission; Crystal violet; Fluorescent probe; CONTROLLED HYDROTHERMAL SYNTHESIS; LIGHT PHOTOCATALYTIC DEGRADATION; GRAPHENE QUANTUM DOTS; MALACHITE GREEN; ROOM-TEMPERATURE; NITROGEN; RETICULUM; NANODOTS; ACID;

D O I：

10.1016/j.saa.2024.123863

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Crystal violet (CV) is one of the main components of common fungicides in daily life, which has inhibitory effect on gram-positive bacteria. However, CV remains in the environment for a long time and have potential risk of disease. Therefore, it is necessary to develop effective methods for detecting CV. Low-temperature carbon dots (LT-CDs) are studied to provide a new idea for the development of CDs green preparation technology from the perspective of low energy consumption. In this experiment, LT-CDs with long-wavelength emission were prepared based on the oxidation, cross-linking polymerization and Schiff base reaction using o-phenylenediamine and hydroquinone as carbon source at low temperature, and were characterized by various techniques. It was found that LT-CDs could be used as a fluorescent probe for quantitative detection of CV based on the inner filter effect, and the practicability of the method was verified by real samples.

引用

页数：7

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