Carbon dots-embedded zinc-based metal-organic framework as an efficient fluorescent sensor for the detection of ferric and phosphate ions

被引：8

作者：

Zhu, Changchang ^{[1
]}

Yang, Jie ^{[1
]}

Ni, Wang ^{[1
]}

Zeng, Wenyan ^{[1
]}

Xu, Jie ^{[1
]}

Zhang, Kedeng ^{[2
]}

Zhan, Xue-Qing ^{[1
]}

Ma, Ning ^{[1
,3
]}

Tsai, Fang-Chang ^{[1
]}

机构：

[1] Hubei Univ, Hubei Collaborat Innovat Ctr Adv Organ Chem Mat, Key Lab Green Preparat & Applicat Funct Mat, Hubei Key Lab Polymer Mat,Sch Mat Sci & Engn,Minis, Wuhan 430062, Hubei, Peoples R China

[2] Hubei NewZongke Viral Dis Control Biotech Ltd, Wuhan 430206, Peoples R China

[3] Hubei Univ, Sch Life Sci, State Key Lab Biocatalysis & Enzyme Engn, Wuhan 430062, Peoples R China

来源：

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING | 2023年 / 11卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Carbon dots; Ferric ion; Pyrophosphate ion; Detection; Fluorescent sensor; NANODOTS;

D O I：

10.1016/j.jece.2023.111414

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Carbon dots were prepared from urea and sodium citrate using a microwave method which was combined with zinc nitrate and dimethylimidazole to prepare CDs@ZIF-8 composites using a one-pot method. It was used to develop a novel fluorescent sensor for the rapid and effective detection of Fe3+. Owing to intense contacts and electron transfer between CDs@ZIF-8 and Fe3+, the fluorescence was severely diminished. The burst fluorescence of the Fe3+ system was restored considerably due to a higher binding preference between Fe3+ and PO43-. Furthermore, the detection limit for Fe3+ was 5.2 mu M. Our construction of a fluorescent sensor provides a simple and rapid platform for detecting Fe3+ and PO43-in human health and biodiversity.

引用

页数：8

共 54 条

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