Fluorine-free preparation method of graphene-like structure titanium dioxide
A titanium dioxide and graphene technology, applied in the fields of new energy materials and nanomaterials, can solve the problem of high carbonization temperature, and achieve the effects of large specific surface area, high yield and controllable reaction conditions
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Embodiment 1
[0026] This embodiment includes the following steps:
[0027] 1) Add 5.25g of TTIP to 3.75g of concentrated hydrochloric acid with a mass fraction of 37%, and stir for 15min;
[0028] 2) Add 1g of PluronicP123 to 15g of ethanol, stir for 30min; then add to the mixture obtained in step 1 and stir for 30min;
[0029] 3) Take 20mL of the mixture obtained in step 2, add it to a beaker filled with 150mL of ethylene glycol, and stir for 30min;
[0030] 4) Pour the mixed solution obtained in the above step 3 into the reaction kettle, heat-treat at 150°C, and keep it warm for 12 hours. The obtained product is centrifuged, washed repeatedly with deionized water and absolute ethanol for 3 times, and dried in a drying oven at 60°C to obtain Titanium dioxide with a graphene-like structure.
[0031] Such as Figure 1 ~ Figure 3 As shown, the effect of the titanium dioxide prepared in this embodiment is: the prepared titanium dioxide has a graphene ultra-thin nanosheet structure, the siz...
Embodiment 2
[0033] This embodiment includes the following steps:
[0034] 1) Add 5.25g of TTIP to 3.75g of concentrated hydrochloric acid with a mass fraction of 37%, and stir for 15min;
[0035] 2) Add 0.5g of PluronicP123 to 15g of ethanol, stir for 30min; then add to the mixture obtained in step 1 and stir for 30min;
[0036] 3) Take 20mL of the mixture obtained in step 2, add it to a beaker filled with 50mL of ethylene glycol, and stir for 30min;
[0037] 4) Pour the above solution into the reaction kettle, heat-treat at 100°C, and keep it warm for 12 hours. The obtained product is centrifuged, washed repeatedly with deionized water and absolute ethanol for 3 times, and dried in a drying oven at 60°C to obtain graphene-like Structure of titanium dioxide.
Embodiment 3
[0039] This embodiment includes the following steps:
[0040] 1) Add 5.25g of TTIP to 3.75g of concentrated hydrochloric acid with a mass fraction of 37%, and stir for 15min;
[0041] 2) Add 1.5g of PluronicP123 to 15g of ethanol, stir for 30min; then add to the mixture obtained in step 1 and stir for 30min;
[0042] 3) Take 20mL of the mixture obtained in step 2, add it to a beaker filled with 100mL of ethylene glycol, and stir for 30min;
[0043] 4) Pour the above solution into a reaction kettle, heat-treat at 200°C, and keep warm for 12 hours. The obtained product is centrifuged, washed repeatedly with deionized water and absolute ethanol for 3 times, and dried in a drying oven at 60°C to obtain a graphene-like Structure of titanium dioxide.
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