A stable Zn(II) based metal-organic complex as a sensitive and selective fluorescent probe for IO4-

被引：3

作者：

Zhang, Jingyue ^{[1
]}

Fan, Linhan ^{[1
]}

Zhao, Yun ^{[1
]}

Sun, Changyan ^{[1
]}

Li, Wenjun ^{[1
]}

Chang, Zhidong ^{[1
]}

机构：

[1] Univ Sci & Technol Beijing, Sch Chem & Biol Engn, Beijing 100083, Peoples R China

来源：

INORGANICA CHIMICA ACTA | 2023年 / 547卷

基金：

中国国家自然科学基金;

关键词：

Metal-organic complex; Post-synthetic modification; Fluorescent probe; Periodate; AMPEROMETRIC DETECTION; PERIODATE; IODATE; MOF; THIOPHENOLS; SENSOR; WATER; DOTS;

D O I：

10.1016/j.ica.2022.121330

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Periodate (IO4-) is widely used in industry and is related to food and environmental safety. Therefore, the selective and sensitive detection of IO4- is important. In this paper, a metal-organic complex fluorescent probe ZnDBD-SA was synthesized by post-synthetic modification with the condensation reaction of aldehyde and amino group. Zn-DBD-SA is stable after immersed in pure water for 15 days and in the pH range of 3-11. As a fluorescent probe, it shows good selectivity and anti-interference for detecting IO4-. And the detection limit is 6.36x10(-8) mol center dot L-1, which is the lowest among fluorescent probes based on metal-organic complex. The detection mechanism is attributed to the competitive absorption of energy between Zn-DBD-SA and IO4- and the formation of hydrogen bonds. Furthermore, the probe can be used to detect IO4- in real samples such as salt and kelp solutions.

引用

页数：7

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