Graphene zinc sulfide nanoparticle composites and preparation method
A technology of zinc sulfide and composite materials, applied in the field of graphene zinc sulfide nanoparticle composite materials and their preparation, to achieve the effects of excellent conductive network, strong repeatability and simple synthesis method
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[0018] Example 1:
[0019] A graphene zinc sulfide nano material is spherical particles with uniform shapes and sizes, and has a core-shell structure in which zinc sulfide is coated by graphene, and the particle diameter of the core-shell structure is 50 nm.
[0020] A preparation method of graphene zinc sulfide nanoparticle composite material includes the following steps:
[0021] (1) Put a 250ml three-necked flask in an ice water bath, add 80ml concentrated sulfuric acid, 2g graphite, 1g sodium nitrate, and stir for 1 hour; while keeping the temperature below 10°C, slowly add 3g potassium permanganate to the flask After stirring for 1 hour, the water bath was removed; 2) While keeping the temperature below 20°C, slowly add 6g potassium permanganate to the flask. After the addition, heat to 35°C and keep stirring for 60 minutes; add to the flask slowly Add 90ml of distilled water, heat to 80℃, keep stirring for 30 minutes; add 7ml of 30% hydrogen peroxide and 55ml of distilled wate...
Example Embodiment
[0024] Example 2:
[0025] A graphene zinc sulfide nano material is spherical particles with uniform shapes and sizes, and has a core-shell structure of graphene coated zinc sulfide, and the particle diameter of the core-shell structure is 100 nm.
[0026] A preparation method of graphene zinc sulfide nanoparticle composite material includes the following steps:
[0027] (1) Put a 250ml three-necked flask in an ice water bath, add 80ml concentrated sulfuric acid, 2g graphite, 1g sodium nitrate, and stir for 1 hour; while keeping the temperature below 10°C, slowly add 3g potassium permanganate to the flask After stirring for 1 hour, the water bath was removed; 2) While keeping the temperature below 20°C, slowly add 6g potassium permanganate to the flask. After the addition, heat to 35°C and keep stirring for 60 minutes; add to the flask slowly Add 90ml of distilled water, heat to 80℃, keep stirring for 30 minutes; add 7ml of 30% hydrogen peroxide and 55ml of distilled water to the so...
Example Embodiment
[0030] Example 3:
[0031] A graphene zinc sulfide nano material is spherical particles with uniform shapes and sizes, and has a core-shell structure in which zinc sulfide is coated by graphene, and the particle diameter of the core-shell structure is 50 nm.
[0032] A preparation method of graphene zinc sulfide nanoparticle composite material includes the following steps:
[0033] (1) Put a 250ml three-necked flask in an ice water bath, add 80ml concentrated sulfuric acid, 2g graphite, 1g sodium nitrate, and stir for 1 hour; while keeping the temperature below 10°C, slowly add 3g potassium permanganate to the flask After stirring for 1 hour, the water bath was removed; 2) While keeping the temperature below 20°C, slowly add 6g potassium permanganate to the flask. After the addition, heat to 35°C and keep stirring for 60 minutes; add to the flask slowly Add 90ml of distilled water, heat to 80℃, keep stirring for 30 minutes; add 7ml of 30% hydrogen peroxide and 55ml of distilled wate...
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