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

被引：2
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.
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页数：7
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