Preparation method and application of fluorescence-enhanced metal nanocluster/zeolite imidazolate framework composite nanomaterial
A technology of metal nanoclusters and composite nanomaterials is applied in the field of fluorescent materials to achieve the effects of simple process, low energy consumption and mild reaction conditions
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Embodiment 1
[0036] The preparation method of the fluorescent reinforced metal nanoclusters / zeolite imidazole skeleton composite nanomaterials is prepared, and the preparation process of the preparation process is as follows:
[0037] Preparation of ZIF-8:
[0038] 888 mg of hexahydrate zinc (Zn (NO) 3 · 6h 2 O) and 1946.7 mg 2-methylimidazole (2-MIM) were dissolved in 60 mL of methanol, and both were mixed in 250 ml round bottom flasks, and at room temperature at room temperature at room temperature for 1 h, the obtained milk The turbid fluid has a white precipitate, poured off the supernatant, and the white precipitate was applied with methanol washed three times in a vacuum oven in a vacuum oven, and the dry white powder was ZIF-8;
[0039] Preparation of GSH-AU NCS:
[0040] 10 ml of the round bottom flask, the built-in magnet was added, and 4.35 ml of ultra-pure water was added, and the mixture was stirred at room temperature, a GSH aqueous solution of 100 mM was added. After stirring f...
Embodiment 2
[0044] The preparation method of the fluorescence reinforced metal nanoclusters / zeolite imidazole skeleton composite nanomaterial is the prepared GSH-Au NCS / ZIF-8 composite, and the preparation process is the same as in Example 1, and the zif is -8 and GSH-AUNCs are ultrasonic at 30 ° C for 1 h at Zn: Au = 4, allowing it to obtain GSH-Au NCS / ZIF-8 composite.
Embodiment 3
[0046] The preparation method of the fluorescence reinforced metal nanoclusters / zeolite imidazole skeleton composite nanomaterial is the prepared GSH-Au NCS / ZIF-8 composite, and the preparation process is the same as in Example 1, and the zif is -8 and GSH-AUNCs are at 30 ° C for 1 h at Zn: Au = 5, allowing it to assemble to obtain GSH-Au NCS / ZIF-8 composite.
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