Preparation method and application of graphite-type carbon nitride nanorod modified electrode
A technology of graphite-type carbon nitride and modified electrodes, which is applied in the direction of material electrochemical variables, etc., to achieve the effects of broad practical application space, heavy metal pollution control, and strong anti-interference ability
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Embodiment 1
[0030] (1) Put 2g of dicyandiamide into a semi-closed alumina crucible, raise the temperature to 350oC at a rate of 2.9oC per minute under a nitrogen atmosphere, keep at this temperature for 2h, and then increase the temperature at a rate of 3.3oC per minute The heating rate was raised to 540oC, kept at this temperature for 2h, and then dropped to room temperature naturally. The obtained product was washed 4 times with deionized water and absolute ethanol, and dried at 50°C for 12 hours to obtain graphite carbon nitride as a yellow solid powder.
[0031] (2) Add 140mg NH 4 Dissolve Cl in 20 mL of deionized water to form NH 4 Cl solution. Immediately followed by 40mgg-C 3 N 4 Dispersed to the above NH 4 Cl solution, stirred for 30 minutes, and then ultrasonicated for 30 minutes to form g-C 3 N 4 Dispersions. The above suspension was transferred to a polytetrafluoroethylene-lined reactor, reacted at 160oC for 12h, and then cooled naturally to room temperature. The final...
Embodiment 2
[0038] (1) Put 2g of dicyandiamide into a semi-closed alumina crucible, raise the temperature to 350oC at a rate of 2.9oC per minute under a nitrogen atmosphere, keep at this temperature for 2h, and then increase the temperature at a rate of 3.3oC per minute The heating rate was raised to 540oC, kept at this temperature for 2h, and then dropped to room temperature naturally. The obtained product was washed 4 times with deionized water and absolute ethanol, and dried at 50°C for 12 hours to obtain graphite carbon nitride as a yellow solid powder.
[0039] (2) Add 150mg NH 4 Dissolve Cl in 20 mL of deionized water to form NH 4 Cl solution. followed by 50mgg-C 3 N 4 Dispersed to the above NH 4 Cl solution, stirred for 30 minutes, and then ultrasonicated for 30 minutes to form g-C 3 N 4 Dispersions. The above suspension was transferred to a polytetrafluoroethylene-lined reactor, reacted at 160oC for 12h, and then cooled naturally to room temperature. The final product was...
Embodiment 3
[0052] (1) Put 2g of dicyandiamide into a semi-closed alumina crucible, raise the temperature to 350oC at a rate of 2.9oC per minute under a nitrogen atmosphere, keep at this temperature for 2h, and then increase the temperature at a rate of 3.3oC per minute The heating rate was raised to 540oC, kept at this temperature for 2h, and then dropped to room temperature naturally. The obtained product was washed 4 times with deionized water and absolute ethanol, and dried at 50°C for 12 hours to obtain graphite carbon nitride as a yellow solid powder.
[0053] (2) Add 160mg NH 4 Dissolve Cl in 20 mL of deionized water to form NH 4 Cl solution. Immediately followed by 60mgg-C 3 N 4 Dispersed to the above NH 4 Cl solution, stirred for 30 minutes, and then ultrasonicated for 30 minutes to form g-C 3 N 4 Dispersions. The above suspension was transferred to a polytetrafluoroethylene-lined reactor, reacted at 160oC for 12h, and then cooled naturally to room temperature. The final...
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