期刊
JOURNAL OF LUMINESCENCE
卷 180, 期 -, 页码 287-291出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jlumin.2016.08.055
关键词
Metal-organic framework; Crystal structure; Luminescence; Sensors; p-Nitrophenol
类别
资金
- National Nature Science Foundation of China [21001061]
- Natural Science Foundation of Shandong Province [ZR2014BQ034]
- National Training Programs of Innovation and Entrepreneurship for Undergraduates [201410447004]
A luminescent Zn(II)-organic framework, [Zn(PIA)](n)center dot 2nDMA (1) [H(2)PIA=5-(pyridin-4-yl)isophthalic acid, DMA=N,N-dimethylacetamide], was solvothermally synthesized and characterized by elemental analysis, IR, TGA, PXRD and single-crystal X-ray crystallography. The structure of 1 features a 3D framework with 1D channels along the a axis, which is constructed from electron-rich pi-conjugated PIA(2-) ligands and paddlewheel [Zn-2(CO2)(4)] secondary building units. The strong luminescent emission at 382 nm of activated la could be effectively quenched by trace amounts of p-nitrophenol (p-NP) in water with the limit of detection (LOD) as low as 35.0 ppb, suggesting that la is a potential luminescent sensory material for p-NP. (C) 2016 Elsevier B.V. All rights reserved.
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