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Super-thin-wall honeycomb-shaped structure titanium dioxide nano material and preparation method thereof

A technology of titanium dioxide and nanomaterials, applied in the fields of nanotechnology, nanotechnology, nanotechnology for materials and surface science, etc., can solve the problems of large thickness of titanium dioxide nanosheets, low nanosheet formation rate, complicated preparation process, etc. Short preparation time, easy to popularize and apply, and the effect of reducing the pollution of three wastes

Inactive Publication Date: 2017-05-31
梁厚栋
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] TiO2 nanosheets with two-dimensional structure have been prepared at present, but there is no precedent for preparing TiO2 with layered structure, and the thickness of the prepared TiO2 nanosheets is relatively large, the preparation process is complicated, the cost is high, and the generation rate of nanosheets is low.

Method used

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  • Super-thin-wall honeycomb-shaped structure titanium dioxide nano material and preparation method thereof

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Embodiment 1

[0031] (1) Measure 50ml of absolute ethanol into a beaker, slowly add 10ml of tetrabutyl titanate under magnetic stirring, then add 1.2ml of glacial acetic acid dropwise, and stir for 30min. A yellow sol was formed. Measure 0.6ml of deionized water with a pipette gun. Stir vigorously at room temperature for 48 hours to form a milky white titanium dioxide sol. Soak the carbon fiber cloth in the titanium dioxide sol to prepare a layer of titanium dioxide nano-film layer, and put it into an annealing furnace at 450°C for 30 minutes for annealing.

[0032] (2) preparing a two-dimensional titanium dioxide nanostructure layer with controllable void size and shape on the titanium dioxide nano seed layer prepared in step (1). Use deionized water, sodium hydroxide, and graphene to configure a mixed solution, put the prepared titanium dioxide nano-film layer carbon fiber cloth into the mixed solution, introduce the mixed solution into the inner lining of the autoclave, and then place th...

Embodiment 2

[0034] (1) Measure 40ml of absolute ethanol into a beaker, slowly add 10ml of tetrabutyl titanate under magnetic stirring, then add 1.2ml of glacial acetic acid dropwise, and stir for 30min. A yellow sol was formed. Measure 0.6ml of deionized water with a pipette gun. Stir vigorously at room temperature for 48 hours to form a milky white titanium dioxide sol. Soak the carbon fiber cloth in the titanium dioxide sol to prepare a layer of titanium dioxide nano-film layer, and put it into an annealing furnace at 600°C for 60 minutes for annealing.

[0035] (2) preparing a two-dimensional titanium dioxide nanostructure layer with controllable void size and shape on the titanium dioxide nano seed layer prepared in step (1). Use deionized water, sodium hydroxide, and graphene to configure a mixed solution, put the prepared titanium dioxide nano-film layer carbon fiber cloth into the mixed solution, introduce the mixed solution into the inner lining of the autoclave, and then place th...

Embodiment 3

[0037] (1) Measure 45ml of absolute ethanol into a beaker, slowly add 10ml of tetrabutyl titanate under magnetic stirring, then dropwise add 1.2ml of glacial acetic acid, and stir for 30min. A yellow sol was formed. Measure 0.6ml of deionized water with a pipette gun. Stir vigorously at room temperature for 48 hours to form a milky white titanium dioxide sol. The carbon fiber cloth is soaked in the titanium dioxide sol to prepare a layer of titanium dioxide nano film layer, which is put into an annealing furnace at 700°C for 45 minutes for annealing.

[0038](2) preparing a two-dimensional titanium dioxide nanostructure layer with controllable void size and shape on the titanium dioxide nano seed layer prepared in step (1). Use deionized water, sodium hydroxide, and graphene to configure the mixture solution, put the prepared titanium dioxide nano-film layer carbon fiber cloth into the mixture solution, introduce the mixture solution into the inner lining of the autoclave, and...

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Abstract

The invention discloses a super-thin-wall honeycomb-shaped structure titanium dioxide nano material and a preparation method thereof. The super-thin-wall honeycomb-shaped structure titanium dioxide nano material is of a relatively uniform layered structure, the thickness of a nanosheet is relatively small, gaps are formed among layered nanosheets, specific surface areas, specific surface energy, flame retardancy, conductivity, heat conduction coefficients, impact strength and electron migration capabilities can be remarkably improved, according to the preparation method, a titanium dioxide film layer grows from titanium dioxide gel on the surface of a carbon fiber substrate and a two-dimensional titanium dioxide nano structure layer of which the gap sizes and morphology can be controlled is prepared on a titanium dioxide nano seed layer, defects that a conventional nanosheet is relatively low in generation rate, large in thickness, complex in process and the like can be overcome, the production process is simple, reaction conditions are gentle, the preparation time is short, and further, the industrial application of a titanium dioxide nano-structure material can be accelerated.

Description

technical field [0001] The invention relates to the technical field of nanomaterials, in particular to an ultra-thin-wall honeycomb structure titanium dioxide nanomaterial and a preparation method thereof. Background technique [0002] Photocatalytic technology driven by solar energy is an ideal technology for clean energy production and environmental pollution control. Functional nanomaterials with excellent photoelectric properties play a vital role in photoelectrochemical technology. Nano-titanium dioxide is a non-toxic and harmless semiconductor with good carrier transport performance, good stability and environmental friendliness. Under the irradiation of ultraviolet light, it can generate photogenerated electrons and photogenerated holes. Strong reducing ability, photogenerated holes have strong oxidizing ability, photogenerated electrons and photogenerated holes can decompose and purify inorganic and organic wastewater such as ammonia, amines, phenols, etc., and have ...

Claims

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Application Information

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IPC IPC(8): D06M11/46B82Y30/00B82Y40/00D06M101/40
CPCB82Y30/00B82Y40/00D06M11/46D06M2101/40D06M2200/30
Inventor 梁厚栋
Owner 梁厚栋
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