A magnesium MOF as a sensitive fluorescence sensor for CS2 and nitroaromatic compounds

被引：111

作者：

Wu, Zhao-Feng ^{[1
,2
]}

Tan, Bin ^{[1
,2
]}

Feng, Mei-Ling ^{[1
]}

Lan, An-Jian ^{[1
]}

Huang, Xiao-Ying ^{[1
]}

机构：

[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Fujian, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2014年 / 2卷 / 18期

关键词：

METAL-ORGANIC FRAMEWORK; WHITE-LIGHT EMISSION; SELECTIVE DETECTION; COORDINATION POLYMERS; CARBON-DISULFIDE; HYDROGEN STORAGE; POROUS MATERIAL; VAPOR-PHASE; SORPTION; NITROBENZENE;

D O I：

10.1039/c3ta15071b

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Presented here are the hydrothermal synthesis, structural characterization, and luminescent and gas adsorption properties of a magnesium metal- organic framework compound, namely Mg-5(OH)(2)(BTEC)(2)(H2O)(4)center dot 11H(2)O (1, H4BTEC 1,2,4,5- benzenetetracarboxylic acid). The structure of 1 features a three- dimensional network constructed from the linkage of BTEC ligands and rare pentanuclear magnesium clusters as secondary building units, giving rise to the 1D channels along the a axis. Luminescence studies revealed that compound 1 demonstrated high fluorescence sensing of carbon disulfide (CS2) and nitroaromatic compounds, that is, the fluorescence intensities were almost completely quenched only at the concentrations of 0.8 vol% of CS2 and 0.04 vol% of nitrobenzene.

引用

页码：6426 / 6431

页数：6

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