Luminescent transition metal organic framework compound and preparation method thereof
An organic framework and transition metal technology, applied in the direction of zinc organic compounds, chemical instruments and methods, luminescent materials, etc., can solve the problems of insufficient luminous intensity, limited application range, instability, etc., and achieve easy promotion and operability Strong, high thermal stability effect
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Embodiment 1
[0028] Under stirring conditions, 4mmol of trimesic acid was added to 10ml of sodium hydroxide solution with a concentration of 2mol / L to form a colorless and transparent solution; 4mmol of phenanthroline was dissolved in 10ml of ethanol and added to the above solution to form The clarified ligand solution was stirred for 30 minutes; 19 ml of an aqueous solution containing 8 mmol of zinc chloride was added dropwise into the ligand solution to obtain a milky white solution, and the stirring was continued for 40 minutes; In the kettle, hydrothermal reaction was carried out at 180°C under autogenous pressure for 120h. After the reaction, it was naturally cooled at room temperature, washed, filtered, and dried in an oven at 45-55° C. to obtain about 0.47 g of a metal-organic framework structure material with luminescent properties. Using trimesic acid as a reference, the yield of HUT-76 is about 58%.
[0029] The product, physical and chemical properties and structure were analyz...
Embodiment 2
[0042] Other steps are the same as in Example 1, except that zinc chloride is changed to zinc acetate, 4 mmol o-phenanthroline is dissolved in 5 ml ethanol, and finally 0.465 g of a metal-organic framework structure material with luminescent properties is obtained
Embodiment 3
[0044] Other steps were the same as in Example 1, except that the molar ratio of trimesic acid to lye was 1:5.2, and finally 0.479 g of a metal-organic framework structure material with luminescent properties was obtained.
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