硝基苯酚
4-硝基苯酚
检出限
硝基
苦味酸
化学
荧光
衍射仪
金属有机骨架
单斜晶系
二甲基甲酰胺
金属
核化学
晶体结构
结晶学
有机化学
溶剂
色谱法
催化作用
烷基
物理
量子力学
吸附
作者
Junyan Li,Yiyan Liang,Shuangyan Wu,Ying Zhang,Mingchang Zhu,Enjun Gao
标识
DOI:10.1016/j.inoche.2022.109724
摘要
The large number of nitro compounds are discharged resulting in water pollution. The detection of nitro compounds are performed using fluorescence detection. In this paper, a novel sensor [Zn2(H4L)·DMF·H2O]n [H4L = 2,1′,5,5′-diphenyl ether tetracarboxylic acid; DMF = N,N-dimethylformamide] was synthesized, which proved itself capable of detecting nitro compounds through a series of characterization. X-ray single crystal diffractometer exhibits that Zn-MOF belongs to monoclinic system with space group P21/n. The limits of detection (LODs) for o-nitrophenol, m-nitrophenol, p-nitrophenol were 0.072 μM, 0.35 μM, 0.28 μM, respectively. The synthesized fluorescent sensor Zn-MOF is capable of recyclability and high sensitivity. It is also significant for the future development of metal organic framework materials (MOFs) as fluorescent sensors.
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