Titanium carbide sheet layer/molybdenum sulfide nanosheet/titanium dioxide nanosheet composite and preparing method thereof

A technology of titanium dioxide and composite materials, which can be used in catalyst activation/preparation, chemical instruments and methods, nanotechnology, etc., and can solve the problems of high price and low output.

Inactive Publication Date: 2019-05-24
SHANDONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the commonly used co-catalysts are precious metals such as platinum and gold. D...

Method used

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  • Titanium carbide sheet layer/molybdenum sulfide nanosheet/titanium dioxide nanosheet composite and preparing method thereof
  • Titanium carbide sheet layer/molybdenum sulfide nanosheet/titanium dioxide nanosheet composite and preparing method thereof
  • Titanium carbide sheet layer/molybdenum sulfide nanosheet/titanium dioxide nanosheet composite and preparing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] First measure 100 milliliters of hydrofluoric acid solution with a mass ratio of 40%, weigh 1 gram of titanium-aluminum-carbon powder, the particle size of the titanium-aluminum-carbon powder is 200 mesh, and fully mix the hydrofluoric acid solution and the titanium-aluminum-carbon powder Stir at room temperature for 72 hours to prepare the first mixed solution. Then filter the first mixed solution, add 100 mg of titanium carbide and 10 mg of sodium fluoroborate to 10 ml of 0.1 mole per liter hydrochloric acid solution and magnetically stir for 30 minutes to prepare the second mixed solution. Then, the second mixed solution was placed in a hydrothermal reaction kettle, and subjected to a hydrothermal reaction at 160° C. for 12 hours to prepare a third mixed solution. Then filter the third mixed solution to obtain the precipitate titanium carbide / titanium dioxide nanosheet composite material, add 60 mg of precipitate titanium carbide / titanium dioxide nanosheet composite ...

Embodiment 2

[0035] First measure 100 milliliters of hydrofluoric acid solution with a mass ratio of 40%, weigh 1 gram of titanium-aluminum-carbon powder, the particle size of the titanium-aluminum-carbon powder is 200 mesh, and fully mix the hydrofluoric acid solution and the titanium-aluminum-carbon powder Stir at room temperature for 72 hours to prepare the first mixed solution. Then filter the first mixed solution, add 100 mg of titanium carbide and 10 mg of sodium fluoroborate to 10 ml of 0.1 mole per liter hydrochloric acid solution and magnetically stir for 30 minutes to prepare the second mixed solution. Then, the second mixed solution was placed in a hydrothermal reaction kettle, and subjected to a hydrothermal reaction at 160° C. for 12 hours to prepare a third mixed solution. Then filter the third mixed solution to obtain the precipitate titanium carbide / titanium dioxide nanosheet composite material, add 60 mg of precipitate titanium carbide / titanium dioxide nanosheet composite ...

Embodiment 3

[0039] First measure 100 milliliters of hydrofluoric acid solution with a mass ratio of 40%, weigh 1 gram of titanium-aluminum-carbon powder, the particle size of the titanium-aluminum-carbon powder is 200 mesh, and fully mix the hydrofluoric acid solution and the titanium-aluminum-carbon powder Stir at room temperature for 72 hours to prepare the first mixed solution. Then filter the first mixed solution, add 100 mg of titanium carbide and 10 mg of sodium fluoroborate to 10 ml of 0.1 mole per liter hydrochloric acid solution and magnetically stir for 30 minutes to prepare the second mixed solution. Then, the second mixed solution was placed in a hydrothermal reaction kettle, and subjected to a hydrothermal reaction at 160° C. for 12 hours to prepare a third mixed solution. Then filter the third mixed solution to obtain the precipitate titanium carbide / titanium dioxide nanosheet composite material, add 60 mg of precipitate titanium carbide / titanium dioxide nanosheet composite ...

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Abstract

The invention relates to a titanium carbide sheet layer/molybdenum sulfide nanosheet/titanium dioxide nanosheet composite and a preparing method thereof. The method includes the steps of conducting the mixing reaction on titanium aluminum carbon and hydrofluoric acid, conducting the hydrothermal reaction on an obtained precipitate A, adding a molybdate thiopolybdate solution to a precipitate C obtained through the hydrothermal reaction, and conducting the photo-reduction reaction to obtain the titanium carbide sheet layer/molybdenum sulfide nanosheet/titanium dioxide nanosheet composite. The composite is applied as a photocatalyst in water photocatalytic decomposition. The composite is an efficient photodecomposition water catalyst with a precious-metal-free double-aid catalyst, and the photocatalysis effect is remarkably improved.

Description

technical field [0001] The invention belongs to the technical field of catalyst material preparation, and in particular relates to a titanium carbide sheet / molybdenum sulfide nanosheet / titanium dioxide nanosheet composite material and a preparation method thereof. Background technique [0002] With the rapid consumption of global fossil energy and the deterioration of the environment, the development of environmentally friendly, low-cost, and resource-rich renewable energy has become an urgent problem facing mankind. As an environmentally friendly energy source, hydrogen has a high calorific value, is easy to transport, and is renewable. Therefore, converting solar energy into hydrogen energy is one of the most ideal ways to develop new energy sources. Hydrogen production by photolysis of water can directly use solar energy to decompose water to produce hydrogen, does not consume other energy sources, and has no pollution to the environment. It has attracted extensive attent...

Claims

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Application Information

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IPC IPC(8): B01J27/22B01J37/10B01J37/34B01J37/16B82Y30/00B82Y40/00C01B3/04
CPCY02E60/36
Inventor 田健杨少瑞李昱杰梁嫜倩崔洪芝
Owner SHANDONG UNIV OF SCI & TECH
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