Ruthenium dioxide/graphene two-dimensional material as well as preparation method and application thereof
A technology of ruthenium dioxide and two-dimensional materials, which is applied in the field of materials, can solve problems such as low work efficiency, difficulty in dissolving transition metal elements, and improved oxygen evolution activity of ruthenium dioxide, and achieve excellent conductivity, easy promotion and application, and excellent electrical conductivity The effect of catalytic oxygen evolution activity
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Embodiment 1
[0064] The preparation method of embodiment 1 defect ruthenium dioxide / graphene two-dimensional material
[0065] figure 1 shows the flow chart of the preparation of ruthenium dioxide / graphene two-dimensional material, according to figure 1 The process flow shown prepares ruthenium dioxide / graphene two-dimensional material, and the specific operation steps are as follows:
[0066] (1) Prepare 20 mL of graphene oxide solution with a content of 1 mg / mL with deionized water.
[0067] (2) Prepare 0.5 mL of ruthenium trichloride hydrate solution with a content of 20 mg / mL with deionized water.
[0068] (3) Drop the ruthenium trichloride hydrate solution into the graphene oxide solution for 10 minutes, and stir at room temperature for 20 minutes, so that the ruthenium trichloride is adsorbed on the surface of the graphene oxide.
[0069] (4) The mixed solution of step (3) is frozen into ice cubes with liquid nitrogen, and the gained ice cubes are put into a freeze dryer to remove...
Embodiment 2
[0071] The preparation method of embodiment 2 defect ruthenium dioxide / graphene two-dimensional material
[0072] (1) Use deionized water to prepare a graphene oxide solution with a content of 0.5 mg / mL, 20 mL.
[0073] (2) Prepare 0.5 mL of ruthenium trichloride hydrate solution with a content of 10 mg / mL with deionized water.
[0074] (3) Drop the ruthenium trichloride hydrate solution into the graphene oxide solution for 20 minutes, and stir at room temperature for 10 minutes to make the ruthenium trichloride adsorb on the surface of the graphene oxide.
[0075] (4) The mixed solution of step (3) is frozen into ice cubes with liquid nitrogen, and the gained ice cubes are put into a freeze dryer to remove the moisture in the solid to obtain solid ruthenium trichloride hydrate / graphene oxide dihydrate dimensional material. The temperature inside the freeze dryer is -25°C, the air pressure is 40Pa, and the freeze-drying time is 5 days.
[0076] (5) Put the ruthenium trichlo...
Embodiment 3
[0077] The preparation method of embodiment 3 defect ruthenium dioxide / graphene two-dimensional material
[0078] (1) Prepare 20 mL of graphene oxide solution with a content of 5 mg / mL with deionized water.
[0079] (2) Prepare 0.5 mL of ruthenium trichloride hydrate solution with a content of 100 mg / mL with deionized water.
[0080] (3) Drop the ruthenium trichloride hydrate solution into the graphene oxide solution for 5 minutes, and stir at room temperature for 30 minutes, so that the ruthenium trichloride is adsorbed on the surface of the graphene oxide.
[0081] (4) The mixed solution of step (3) is frozen into ice cubes with liquid nitrogen, and the gained ice cubes are put into a freeze dryer to remove the moisture in the solid to obtain solid ruthenium trichloride hydrate / graphene oxide dihydrate dimensional material. The temperature inside the freeze dryer is -100°C, the air pressure is 10Pa, and the freeze-drying time is 1 day.
[0082] (5) Put the ruthenium trich...
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