MOF composite material and its preparation method and application
A composite material, hydrothermal reactor technology, applied in the direction of luminescent materials, chemical instruments and methods, other chemical processes, etc., can solve the problems of inability to reach instruments and equipment, poor luminescence effect, etc.
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Embodiment 1
[0030] 0.89g Zn(NO 3 ) 2 ·6H 2 O, 0.49g 2-methylimidazole was dissolved in 80 mL DMF to obtain the first solution, then 0.1gEu(NO 3 ) 3 ·6H 2 O was dissolved in 5 mL of deionized water to obtain the second solution, and then the first solution and the second solution were mixed to obtain a mixed solution, and then the above mixed solution was transferred to a hydrothermal reactor with a polytetrafluoroethylene liner and heated at 5 °C min -1 The heating rate was raised to 140°C, crystallized for 24h, centrifuged, washed 3 times with 50mL DMF and methanol, and dried overnight at 80°C. The obtained sample was the MOF composite ZIF-8(Eu 3+ ).
Embodiment 2
[0032] 0.89g Zn(NO 3 ) 2 ·6H 2 O, 0.49g 2-methylimidazole and 0.034g imidazole were dissolved in 80mL DMF to obtain the first solution, then 0.1gEu(NO 3 ) 3 ·6H 2 O was dissolved in 5 mL of deionized water to obtain the second solution, and then the first solution and the second solution were mixed to obtain a mixed solution, and then the above mixed solution was transferred to a hydrothermal reactor with a polytetrafluoroethylene liner and heated at 5 °C min -1 The heating rate was raised to 140°C, crystallized for 24h, centrifuged, washed 3 times with 50mL DMF and methanol, and dried overnight at 80°C. The obtained sample was the MOF composite ZIF-8(Eu 3+ ).
Embodiment 3
[0034] 0.45g Zn(NO 3 ) 2 ·6H 2 O, 0.49g 2-methylimidazole was dissolved in 80mL DMF to obtain the first solution, then 0.1gEu(NO 3 ) 3 ·6H 2 O was dissolved in 4 mL of deionized water to obtain the second solution, and then the first solution and the second solution were mixed to obtain a mixed solution, and then the above mixed solution was transferred to a hydrothermal reactor with a polytetrafluoroethylene liner and heated at 5 °C min -1 The heating rate was raised to 140°C, crystallized for 24h, centrifuged, washed 3 times with 50mL DMF and methanol, and dried overnight at 80°C. The obtained sample was the MOF composite ZIF-8(Eu 3+ ).
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