Stable zinc metal-organic framework as efficient bifunctional fluorescent probe for selective detection of nitrobenzene and Fe(III)

被引：11

作者：

Xie, Wei ^{[1
]}

Yuan, Yuan ^{[1
]}

Zhou, Tian -Yu ^{[1
]}

Wang, Jia-Jun ^{[1
]}

Nie, Zhong-Bin ^{[1
]}

Xu, Yan-Hong ^{[1
]}

Su, Zhong-Min ^{[2
]}

机构：

[1] Jilin Normal Univ, Key Lab Preparat & Applicat Environm Friendly Mat, Minist Educ, Changchun 130103, Jilin, Peoples R China

[2] Northeast Normal Univ, Inst Funct Mat Chem, Fac Chem, Changchun 130024, Jilin, Peoples R China

来源：

JOURNAL OF SOLID STATE CHEMISTRY | 2022年 / 310卷

基金：

中国国家自然科学基金;

关键词：

Metal-organic framework; Water stability; Fluorescent sensing; Nitrobenzene; Fe3+ ion; IONS; COMPOSITE; SENSOR; FE3+; EMISSION; CU2+;

D O I：

10.1016/j.jssc.2022.123093

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Through a solvothermal approach, a new zinc metal-organic framework (Zn-MOF), [Zn(PBA)(pic)(H2O)]. H2O.0.5DMA has been successfully engineered, based on 2-picolinic acid (Hpic) and 4-(pyridin-4-yl) benzoic acid (HPBA) ligands. We investigated the crystalline structure, chemical and thermal stability, and fluorescence properties by some modern techniques in detail. Zn-MOF possesses splendid water stability. Especially, the Zn-MOF displays remarkable fluorescent quenching effect toward nitrobenzene (NB) and Fe3+ ion. The high sensitivities KSV values for NB and Fe3+ are 3.80 x 10(3)M(-1), and 2.42 x 10(4) M-1, and the low limit of detection values of NB and Fe3+ are 1.84 x 10(-5) M and 0.315 mu M. Moreover, the electron and energy transfer mechanism are reasonably explained for the sensing mechanisms. As a result, Zn-MOF can be used as a dual-responsive luminescence quenching detector to detect NB and Fe3+ with outstanding sensitivity, selectivity and recyclability.

引用

页数：7

共 52 条

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