Nickel sulfide/molybdenum disulfide composite nano array for killing drug-resistant bacteria through photoelectrocatalysis and preparation method of nickel sulfide/molybdenum disulfide composite nano array
A molybdenum disulfide, nano-array technology, applied in catalyst activation/preparation, chemical instruments and methods, sterilization/microdynamic water/sewage treatment, etc., to achieve the effect of excellent sterilization effect and excellent recovery performance
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Embodiment 1
[0032] Cut the nickel foam with an area of 1cm*2cm, soak it in 30mL of absolute ethanol for 20min, remove the oxide layer that may exist on the surface of the nickel foam material, and then dry it with nitrogen gas for later use.
[0033]After uniformly mixing 0.1g P123, 45mg thioacetamide and 45mg sodium molybdate dihydrate in a 100mL beaker filled with 30mL deionized water, add the treated foamed nickel as a substrate, and then transfer to a polytetrafluoroethylene-lined In a high-pressure hydrothermal reactor at the bottom, heat and hold at 200°C for 24h; after the reaction, cool to room temperature, take out the sample and wash it with deionized water, dry it in vacuum at 60°C for 6h, then put it into a tube furnace, under the protection of nitrogen atmosphere , heated up to 400°C at a heating rate of 10°C / min, and then calcined for 2 hours to obtain Ni 3 S 2 @MoS 2 Composite nanoarrays.
Embodiment 2
[0035] Cut the nickel foam with an area of 1cm*2cm, soak it in 30mL of absolute ethanol for 20min, remove the oxide layer that may exist on the surface of the nickel foam material, and then dry it with nitrogen gas for later use.
[0036] After uniformly mixing 0.1g P123, 60mg thioacetamide and 45mg sodium molybdate dihydrate in a 100mL beaker filled with 30mL deionized water, add the treated foamed nickel as the substrate, and then transfer to a polytetrafluoroethylene-lined In a high-pressure hydrothermal reactor at the bottom, heat and hold at 200°C for 24h; after the reaction, cool to room temperature, take out the sample and wash it with deionized water, dry it in vacuum at 60°C for 6h, then put it into a tube furnace, under the protection of nitrogen atmosphere , heated up to 400°C at a heating rate of 10°C / min, and then calcined for 2 hours to obtain Ni 3 S 2 @MoS 2 Composite nanoarrays.
Embodiment 3
[0038] Cut the nickel foam with an area of 1cm*2cm, soak it in 30mL of absolute ethanol for 20min, remove the oxide layer that may exist on the surface of the nickel foam material, and then dry it with nitrogen gas for later use.
[0039] After uniformly mixing 0.1g P123, 90mg thioacetamide and 45mg sodium molybdate dihydrate in a 100mL beaker filled with 30mL deionized water, add the treated foamed nickel as a substrate, and then transfer to a polytetrafluoroethylene-lined In a high-pressure hydrothermal reactor at the bottom, heat and hold at 200°C for 24h; after the reaction, cool to room temperature, take out the sample and wash it with deionized water, dry it in vacuum at 60°C for 6h, then put it into a tube furnace, under the protection of nitrogen atmosphere , heated up to 400°C at a heating rate of 10°C / min, and then calcined for 2 hours to obtain Ni 3 S 2 @MoS 2 Composite nanoarrays.
[0040] figure 1 Ni obtained in comparative example 2 3 S 2 The SEM image of...
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