Preparation of manganese phthalocyanine-modified horn-like carbon-based catalyst and electroreduction of CO 2 method
A technology of carbon-based catalysts and manganese phthalocyanine, which is applied in chemical instruments and methods, physical/chemical process catalysts, organic compounds/hydrides/coordination complex catalysts, etc., can solve complex and diverse coordination structures and low Faradaic efficiency , low metal loading rate and other issues, to achieve the effect of promoting efficient reduction reaction, high specific surface area, and promoting conversion reaction
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Embodiment 1
[0034] Take 23.3g of ammonium bromide and 1g of melamine, add 30mL of deionized water, ultrasonicate for 1h, stir for 24h, and then dry in a vacuum oven at 100°C for 8h to obtain a mixture. Take this mixture and place it in a crucible, put the crucible into a muffle furnace at room temperature, control the heating rate to 1.8°C / min, raise the temperature to 500°C, and then calcine at a constant temperature for 2 hours to obtain carbon nitride. Then put the carbon nitride into the tube furnace and feed nitrogen gas, control the heating rate of the tube furnace to 5°C / min, heat it to 600°C and then pyrolyze it at a constant temperature for 2 hours, and centrifuge the pyrolysis product three times with deionized water, Then place it in a vacuum oven at 60°C and dry to obtain a horn-shaped carbon-based catalyst. Take 0.6g of horn-like carbon-based catalyst, disperse it in 200mL of N-N-dimethylformamide solution, after ultrasonic treatment for 30min, add 50mg of manganese phthalocy...
Embodiment 2
[0038] Take 23.3g of ammonium bromide and 1g of melamine, add 30mL of deionized water, ultrasonicate for 1h, stir for 24h, and then dry in a vacuum oven at 100°C for 8h to obtain a mixture. Take this mixture and place it in a crucible, put the crucible into a muffle furnace at room temperature, control the heating rate to 1.8°C / min, raise the temperature to 500°C, and then calcine at a constant temperature for 2 hours to obtain carbon nitride. Then put the carbon nitride into the tube furnace and feed nitrogen, control the heating rate of the tube furnace to 5°C / min, heat to 700°C and then pyrolyze at a constant temperature for 2 hours, and centrifuge the pyrolysis product three times with deionized water, Then place it in a vacuum oven at 60°C and dry to obtain a horn-shaped carbon-based catalyst. Take 0.6g of horn-like carbon-based catalyst, disperse it in 200mL of N-N-dimethylformamide solution, after ultrasonic treatment for 30min, add 60mg of manganese phthalocyanine mole...
Embodiment 3
[0042] Take 23.3g of ammonium bromide and 1g of melamine, add 30mL of deionized water, ultrasonicate for 1h, stir for 24h, and then dry in a vacuum oven at 100°C for 8h to obtain a mixture. Take this mixture and place it in a crucible, put the crucible into a muffle furnace at room temperature, control the heating rate to 1.8°C / min, raise the temperature to 500°C, and then calcine at a constant temperature for 2 hours to obtain carbon nitride. Then put the carbon nitride into the tube furnace and feed nitrogen gas, control the heating rate of the tube furnace to 5°C / min, heat to 800°C and then pyrolyze at a constant temperature for 2 hours, and centrifuge the pyrolysis product three times with deionized water, Then place it in a vacuum oven at 60°C and dry to obtain a horn-shaped carbon-based catalyst. Take 0.6g of horn-shaped carbon-based catalyst, disperse it in 200mL of N-N-dimethylformamide solution, after ultrasonic treatment for 30min, add 70mg of manganese phthalocyanin...
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