Preparation method and application of metal organic framework catalyst having acidic fully-hydrated water function
A metal-organic framework and catalyst technology, applied in the fields of metal-organic framework materials, nano-catalysis, and nano-materials, can solve the problem of high cost, and achieve the effects of good stability, enhanced electrical conductivity, catalytic performance of oxygen evolution and hydrogen evolution, and high catalytic efficiency.
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Embodiment 1
[0026] Example 1 A method for preparing a metal-organic framework catalyst with the function of acidic water splitting
[0027] 0.30 g H 4 Dissolve L powder and 0.10 g of copper nitrate in 4 mL of DMF, add dropwise 60 μL of distilled water, and then sonicate for 1 minute to obtain a green clear solution, add dropwise 90 μL of nitric acid with a mass fraction of 68 %, and stir until uniform to obtain copper ions and H 4 L mixed solution;
[0028] In the mixed solution, the activated 0.5 cm×1 cm carbon cloth CC was used as the working electrode, the platinum sheet was used as the working electrode, and the calomel electrode was used as the reference electrode, and the Cu-MOF / CC composite material was synthesized by the constant potential deposition method; The composite material was activated at 85°C for 3 h to prepare Cu-MOF / CC composite catalyst.
[0029] The activated carbon cloth is to sonicate the carbon cloth in acetone, absolute ethanol and distilled water for 2 min suc...
Embodiment 2
[0039] Example 2 A preparation method of a metal-organic framework catalyst with acidic water splitting function Preparation method
[0040] 0.40 g H 4 Dissolve L powder and 0.20 g of copper nitrate in 5 mL of DMF, add dropwise 80 μL of distilled water, and then sonicate for 2 minutes to obtain a green clear solution, add dropwise 100 μL of nitric acid with a mass fraction of 68%, and stir until uniform to obtain copper ions and 4 L mixed solution;
[0041] In the mixed solution, the activated 0.5cm×1cm carbon cloth CC was used as the working electrode, the platinum sheet was used as the working electrode, and the calomel electrode was used as the reference electrode, and the Cu-MOF / CC composite material was synthesized by the constant potential deposition method; The composite material was activated at 85°C for 3h to prepare Cu-MOF / CC composite catalyst.
[0042] The activated carbon cloth is to sonicate the carbon cloth in acetone, absolute ethanol and distilled water succ...
Embodiment 3
[0045] Example 3 A method for preparing a metal-organic framework catalyst with the function of acidic water splitting
[0046] 0.50 g H 4 Dissolve L powder and 0.30 g of copper nitrate in 6 mL of DMF, add 100 μL of distilled water dropwise and sonicate for 3 minutes to obtain a green clear solution, add 110 μL of nitric acid with a mass fraction of 68 % dropwise, and stir until uniform to obtain copper ions and H 4 L mixed solution;
[0047] In the mixed solution, the activated 0.5cm×1cm carbon cloth CC was used as the working electrode, the platinum sheet was used as the working electrode, and the calomel electrode was used as the reference electrode, and the Cu-MOF / CC composite material was synthesized by the constant potential deposition method; The composite material was activated at 85°C for 3h to prepare Cu-MOF / CC composite catalyst.
[0048] The activated carbon cloth is to sonicate the carbon cloth in acetone, absolute ethanol and distilled water successively for 4 ...
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