Hierarchicalporous metal organic framework material containing Cu, Fe and Pd and preparation method and application thereof
A metal-organic framework, hierarchical pore technology, applied in the directions of alkali metal compounds, chemical instruments and methods, alkali metal oxides/hydroxides, etc., can solve the problems of unsatisfactory catalytic performance of catalysts, and achieve the effect of improving catalytic efficiency.
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Embodiment 1
[0031] A preparation method of a hierarchical porous metal organic framework material containing Cu, Fe, Pd, comprising the steps of:
[0032] The metal precursor Cu(NO 3 ) 2 ·3H 2 O, Cu(Ac) 2 ·H 2 O, FeSO 4 , FeCl 2 4H 2 O, Pd(NO 3 ) 2 (About 1.50mmol in total), put into the polytetrafluoroethylene reactor liner, add about 12mL of analytically pure DMA immediately, then stir for 1.5 hours, all metal salts are completely dissolved at room temperature, and obtain the trimetallic ion solution; then 1.00mmol ligand H 3Add BTC to the above-mentioned trimetallic ion solution, continue to stir for about 2 hours to make it completely dissolve at room temperature, then seal the polytetrafluoroethylene reactor with a stainless steel metal shell, and place it in an oven at 50°C for heating reaction After 13 hours, finally, the reaction kettle was taken out, naturally cooled to room temperature, and the product was collected by centrifugation. Then wash five times with a mixtu...
Embodiment 2
[0034] A preparation method of a hierarchical porous metal organic framework material containing Cu, Fe, Pd, comprising the steps of:
[0035] The metal precursor CuCl 2 2H 2 O, Cu(Ac) 2 ·H 2 O, FeSO 4 、Fe(Ac) 2 , Pd(Ac) 2 (About 1.50mmol in total), put it into the liner of a polytetrafluoroethylene reactor, add about 12mL of analytically pure DMA immediately, and then stir for about 1.5 hours to completely dissolve all metal salts at room temperature to obtain a trimetallic ion solution. Then 1.00mmol ligand H 3 BTC was added into the above-mentioned trimetallic ion solution, and the stirring was continued for 2 hours to make it dissolve completely at room temperature. Subsequently, the polytetrafluoroethylene reaction vessel was sealed with a stainless steel metal shell, and placed in an oven at 80° C. for 8 hours. Finally, the reactor was taken out, naturally cooled to room temperature, and the product was collected by centrifugation, then washed 5 times with a mixt...
Embodiment 3
[0037] A preparation method of a hierarchical porous metal organic framework material containing Cu, Fe, Pd, comprising the steps of:
[0038] The metal precursor CuCl 2 2H 2 O, Cu(Ac) 2 ·H 2 O, FeCl 2 4H 2 O, Fe(Ac) 2 , Pd(NO 3 ) 2 (total about 1.50mmol or so), put it into the liner of polytetrafluoroethylene reactor, add about 12mL of analytically pure DMA immediately, and then stir for 1.5 hours to completely dissolve all metal salts at room temperature to obtain a trimetallic ion solution. Then 1.00mmol ligand H 3 BTC was added into the above-mentioned trimetallic ion solution, and the stirring was continued for 2 hours to make it dissolve completely at room temperature. Subsequently, the polytetrafluoroethylene reactor was sealed with a stainless steel metal shell, and it was placed in an oven at 60° C. for 8-13 hours to react for 8-13 hours. Finally, the reactor was taken out, naturally cooled to room temperature, and the product was collected by centrifugation....
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