Spherical fc-(cooh) 2 @cof etta-tpal Preparation methods of nanocomposites
A nano-composite material and mixed solution technology, applied in the field of material chemistry, can solve the problems of single performance and limit the wide use of materials, and achieve the effect of rapid and sensitive detection and avoidance of agglomeration
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Embodiment 1
[0022] (1) Dissolve 22 mg ETTA (10 mg / mL), 15 mg (6.85 mg / mL) TPAL and 11 mg (5 mg / mL) ferrocenedicarboxylic acid in 2 mL 1,4-dioxane solvent, and ultrasonically mixed for 15 min;
[0023] (2) Add 0.2 mL of 6 M acetic acid solution to the mixed solution. Transfer the mixed solution to a reaction kettle and place it in an oven at 90°C for 2 days;
[0024] (3) Use N,N-dimethylformamide (DMF) and tetrahydrofuran (THF) as solvents to successively centrifuge the obtained precipitate until the supernatant is colorless, then place the precipitate in THF and dichloroethane Soak in the mixed solution with a volume ratio of 1:1 for 10 h in order to more fully remove the organic monomer molecules and impurities adsorbed by the precipitate. Finally, the precipitate was dried in a vacuum freeze dryer for 24 h, and ground to obtain a khaki solid Fc-(COOH) 2 @COF ETTA-TPAL composite material.
Embodiment 2
[0026] (1) Dissolve 30 mg ETTA (13.64 mg / mL), 20.5 mg (9.32 mg / mL) of TPAL and 22 mg (10 mg / mL) of ferrocenedicarboxylic acid in 2 mL of 1,4-dioxo Hexacyclic solvent, and ultrasonically mixed for 15 min;
[0027] (2) Add 0.2 mL of 6 M acetic acid solution to the mixed solution. Transfer the mixed solution to a reaction kettle and place it in an oven at 100°C for 2 days;
[0028] (3) Use N,N-dimethylformamide (DMF) and tetrahydrofuran (THF) as solvents to successively centrifuge and wash the obtained precipitate until the supernatant is colorless, and then place the precipitate in THF and dichloroethane Soak in a mixed solution with an alkane volume ratio of 1:1 for 11 h in order to more fully remove the organic monomer molecules and impurities adsorbed by the precipitate. Finally, the precipitate was dried in a vacuum freeze dryer for 24 h, and ground to obtain a khaki solid Fc-(COOH) 2 @COF ETTA-TPAL composite material.
Embodiment 3
[0030] (1) Dissolve 33 mg ETTA (15 mg / mL), 22.5 mg TPAL (10.25 mg / mL) and 55 mg (25 mg / mL) of ferrocenedicarboxylic acid in 2 mL of 1,4-dioxane solvent, and ultrasonically mixed for 15 min;
[0031] (2) Add 0.2 mL of 6 M acetic acid solution to the mixed solution. Transfer the mixed solution to a reaction kettle and place it in an oven at 120°C for 2 days of reaction;
[0032] (3) Use N, N-dimethylformamide (DMF) and tetrahydrofuran (THF) as solvents to successively centrifuge the obtained precipitate until the supernatant is colorless, then place the precipitate in THF and dichloroethane Soak in the mixed solution with a volume ratio of 1:1 for 12 h in order to more fully remove the organic monomer molecules and impurities adsorbed by the precipitate. Finally, the precipitate was dried in a vacuum freeze dryer for 24 h, and ground to obtain a khaki solid Fc-(COOH) 2 @COF ETTA-TPAL composite material.
[0033] Fc-(COOH) prepared by the above-mentioned solvothermal one-pot...
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