Zinc-cluster porous luminescent complex, and preparation method and application thereof
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A complex, zinc cluster technology, applied in the direction of zinc organic compounds, luminescent materials, chemical instruments and methods, etc., to achieve the effect of easy implementation, high yield and high crystal purity
Inactive Publication Date: 2012-06-13
NANKAI UNIV
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So far, there are relatively few reports on such luminescent materials with a porous structure.
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Embodiment 1
[0018] A method for preparing the zinc cluster porous luminescent complex, comprising the steps of:
[0019] 1) Add 64mg (0.3mmol) of trimesic acid, 48mg (0.4mmol) of 1H-benzotriazole and 89mg (0.3mmol) of zinc nitrate to 10ml of N,N-dimethylformamide and stir for 30 minutes , to obtain a mixed solution;
[0020] 2) Put the above mixed solution into a reaction kettle, and carry out crystallization reaction. The crystallization reaction conditions are temperature 150°C, time 72 hours, and then naturally cool to room temperature, and the colorless transparent block crystal obtained after filtering the solution is the The single crystal of the complex is finally washed with DMF for 3 times until the surface of the crystal is free of impurities, and the zinc cluster porous luminescent complex can be prepared after drying.
Embodiment 2
[0022] A method for preparing the zinc cluster porous luminescent complex, comprising the steps of:
[0023] 1) Add 64mg (0.3mmol) of trimesic acid, 48mg (0.4mmol) of 1H-benzotriazole and 119mg (0.4mmol) of zinc nitrate to 10ml of N,N-dimethylformamide and stir for 30 minutes , to obtain a mixed solution;
[0024] 2) Put the above-mentioned mixed solution into a reaction kettle and carry out a crystallization reaction. The conditions of the crystallization reaction are a temperature of 160° C. and a time of 72 hours, then naturally cool to room temperature, and the colorless and transparent block crystal obtained after filtering the solution is the crystallization reaction. The single crystal of the complex is finally washed with DMF for 3 times until the surface of the crystal is free of impurities, and the zinc cluster porous luminescent complex can be prepared after drying.
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Abstract
The invention provides a zinc-cluster porous luminescent complex. The chemical formula is [NH2(CH3)2][Zn3(BTC)2(BTA)].2DMF; the complex has a porous three-dimensional network structure; and one-dimensional channels are formed in c-axis directions of crystals, and dimethyl formamide molecules are filled in the channels. The preparation method comprises the following steps of: mixing trimesic acid, 1H-benzotriazole, zinc nitrate and N,N-dimethylformamide, performing crystallization reaction, naturally cooling to room temperature, and filtering a solution to obtain colorless transparent bulk crystals, namely single crystals of the complex. The invention has the advantages that: the preparation method is simple is process and easy to implement; the obtained crystals are high in purity, yield and reproducibility; the complex can produce fluorescence, has a fluorescence enhancement or quenching effect on copper and barium metal ions, can be used as a fluorescent material for preparing fluorescent probes, and is used for detecting metal ions in environments or foods; and the detection method is simple and higher in selectivity, and has a broad application prospect.
Description
technical field [0001] The invention relates to the field of luminescent materials, in particular to a zinc cluster porous luminescent complex and its preparation method and application. Background technique [0002] In recent years, the construction of luminescent complex materials with novel pore structures through the coordination of metal ions and organic multifunctional ligands has attracted great interest, not only because of their novel and exquisite topological network structures, but also mainly because Their potential applications in optical sensors and light-emitting devices have attracted people's attention. See: W.J.Rieter, K.M.L.Taylor, and W.B.Lin, J.Am.Chem.Soc. 2007, 129, 9852-9853, K.L.Wong, G.L.Law, Y.Y.Yang, and W.T.Wong, Adv.Mater. -1054, B.L. Chen, Y. Yang, F. Zapata, G. N. Lin, G. D. Qian, and E. B. Lobkovsky, Adv. Mater. 2007, 19, 1693-1696, P. Lenaerts, K. Driesen, R. V. Deun, K. Binnemans , Chem.Mater.2005, 17, 2148-2154, M.S.Wang, S.P.Guo, Y.Li, ...
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