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第 52 卷第 5 期Vol. 52 No. 5
2022 年 10 月Oct 2022

所屬欄目:功能材料

雙發(fā)射EY@Zr-MOF復合材料的制備及對4-NP的熒光檢測
張曉賢,李志鵬,張正國*,范黎明*,雷青娟* (中北大學(xué) 化學(xué)與化工學(xué)院,山西 太原 030051)
摘 要:通過(guò)溶劑熱法合成了MOF-808,并將熒光客體分子曙紅Y(EY)引入其通道后,成功制備了一種新型功能復合材料EY@Zr-MOF。采用紅外、PXRD對EY@Zr-MOF進(jìn)行了表征,采用熒光光譜研究了EY@Zr-MOF的固體熒光及對4-NP進(jìn)行識別檢測。結果表明:雙發(fā)射EY@Zr-MOF可以快速、準確、靈敏地識別4-NP,且在低濃度下,線(xiàn)性關(guān)系良好,顯示出較低的檢測限為57 µmol/L和良好的可回收性能,此外,對該復合材料熒光識別4-NP的猝滅機制進(jìn)行了探究,為電子轉移和共振能量轉移共同作用機制。
關(guān)鍵詞:復合材料;雙發(fā)射;4-NP;熒光檢測
中圖分類(lèi)號:TB33  文獻標識碼:A  文章編號:1009-9212(2022)05-0057-06
Preparation of Double Emission EY@Zr MOF Composites and Fluorescence Detection of 4-NP
ZHANG Xiao-xian, LI Zhi-peng, ZHANG Zheng-guo*, FAN Li-ming*, LEI Qing-juan* (North China University, School of Chemistry and Chemical Engineering, Taiyuan 030051, China)
Abstract:MOF 808 was prepared by a hydro-thermal method. After introducing fluorescent guest molecule eosin (EY) into its channel, a new functional composite EY@Zr-MOF was successfully prepared. This composite was charaterized by infrared, PXRD and then studied by Solid fluorescence and identification of 4-NP. The results showed that: double emission EY@Zr-MOF was able to recognize 4-NP quickly, accurately and sensitively, and had a good linear relationship at low concentration with a low detection limit of 57 µmol/L and good recyclability. In addition, the quenching mechanism of fluorescence recognition 4-NP of the composite was explored, which belonged to the joint action of electron transfer and resonance energy transfer.
Key words:compound material; double emission; 4-NP; fluorescence detection
基金項目:國家自然科學(xué)基金資助項目(編號21905255),山西省自然科學(xué)基金資助項目(201901D211219)
作者簡(jiǎn)介:張曉賢(1996—),男,山西呂梁人,碩士研究生,研究方向:功能配位聚合物材料的制備及性能研究(E-mail:1612484541@qq.com)。
聯(lián) 系 人:張正國,副教授,研究方向:無(wú)機材料和生物材料的研究(E-mail:zbdxzzg2006@126.com);范黎明,副教授,研究方向:功能配位聚合物材料的自組裝以及性能研究(E-mail:limingfan@nuc.edu.cn);雷青娟,講師,研究方向:無(wú)機納米材料的研究(E-mail:leiqingjuan@nuc.edu.cn)。
收稿日期:2022-07-13
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