Preparation method of metal monatomic site carbon composite material with hollow structure
A carbon composite material and hollow structure technology, which is applied in the preparation/purification of carbon, etc., can solve the problem that the preparation method of hollow structure metal single-atom site carbon composite material is not reported, and achieve the effect of simple and easy method.
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Embodiment 1
[0023] 1) Synthesis of Zn / Co BZIF:
[0024] Zn 60 co 1 Synthesis of BZIF: Zn(CH 3 COO) 2 2H 2 O (0.2951g, 1.338mmol) and Co(CH 3 COO) 2 4H 2 O (0.0056g, 0.0223mmol) was added to 5mL of water, and stirred until the solution was clear; another organic ligand 2-MiM (1.1166g, 13.6mmol) was dissolved in 5mL of CTAB, and ultrasonicated until the ligand was completely dissolved; then the ligand The solution was added to the above metal salt mixed solution, and the solution was allowed to stand for 2 hours after it became turbid. After the reaction, centrifuge and wash three times with deionized water and dry;
[0025] 2) Hollow Zn / Co BZIF obtained by protic solvent etching:
[0026] The product of step 1) is placed in a large beaker, and 120mL of tannic acid solution (the mass ratio of tannic acid and water is 5:1) is added, and after stirring for 30 minutes, the solution becomes milky white, and is washed with deionized water and methanol respectively. centrifuged and was...
Embodiment 2
[0031] 1) Synthesis of Zn / Cu BZIF:
[0032] Zn 60 Cu 1 Synthesis of BZIF: Zn(CH 3 COO) 2 2H 2 O (0.2951g, 1.338mmol) and Cu(CH 3 COO) 2 ·H 2 O (0.0045g, 0.0223mmol) was added to 5mL of water, and stirred until the solution was clear; another organic ligand 2-MiM (1.1166g, 13.6mmol) was dissolved in 5mL of CTAB, and sonicated until the ligand was completely dissolved; then the ligand The solution was added to the above metal salt mixed solution, and the solution was allowed to stand for 2 hours after the solution became turbid; after the reaction was completed, it was centrifuged and washed three times with deionized water, and then dried;
[0033] 2) Hollow Zn / Cu BZIF was obtained by proton solvent etching:
[0034] The product of step 1) is placed in a large beaker, and 120mL of tannic acid solution (the mass ratio of tannic acid and water is 5:1) is added, and after stirring for 30 minutes, the solution becomes milky white, and is washed with deionized water and met...
Embodiment 3
[0039] 1) Synthesis of Zn / Ni BZIF:
[0040] Zn 60 Ni 1 Synthesis of BZIF: Zn(CH 3 COO) 2 2H 2 O (0.2951g, 1.338mmol) and Ni(CH 3 COO) 2 4H 2 O (0.0055g, 0.0223mmol) was added to 5mL of water, and stirred until the solution was clear; another organic ligand 2-MiM (1.1166g, 13.6mmol) was dissolved in 5mL of CTAB, and ultrasonicated until the ligand was completely dissolved; then the ligand The solution was added to the above metal salt mixed solution, and the solution was allowed to stand for 2 hours after the solution became turbid; after the reaction was completed, it was centrifuged and washed three times with deionized water, and then dried;
[0041] 2) Hollow Zn / Ni BZIF was obtained by protic solvent etching:
[0042] The product of step 1) is placed in a large beaker, and 120mL of tannic acid solution (the mass ratio of tannic acid and water is 5:1) is added, and after stirring for 30 minutes, the solution becomes milky white, and is washed with deionized water and ...
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