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Hydrothermal preparation method of zinc oxide/two-dimensional layered titanium carbide composite material

A two-dimensional layered, composite material technology, applied in the direction of zinc oxide/zinc hydroxide, etc., to achieve the effects of easy operation and control, large specific surface area, and simple process

Inactive Publication Date: 2017-01-04
SHAANXI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Supporting ZnO nanomaterials on two-dimensional layered titanium carbide (Ti 3 C 2 ) is expected to realize its wider application in photocatalysis, wastewater treatment, supercapacitors, lithium-ion batteries and other fields, but zinc oxide / two-dimensional layered titanium carbide (Ti 3 C 2 ) The preparation of composite materials is seldom reported

Method used

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  • Hydrothermal preparation method of zinc oxide/two-dimensional layered titanium carbide composite material
  • Hydrothermal preparation method of zinc oxide/two-dimensional layered titanium carbide composite material
  • Hydrothermal preparation method of zinc oxide/two-dimensional layered titanium carbide composite material

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Effect test

Embodiment 1

[0022] 1) Refined powder

[0023] Refinement of ternary layered Ti with a purity greater than 97% by high energy ball milling 3 AlC 2 Powder, high energy ball milling conditions: ball stone, ternary layered Ti 3 AlC 2 The mass ratio of powder and ball milling medium (absolute ethanol) is 10:1:1, the ball milling speed is 400r / min, the high energy ball milling time is 2h, and then the obtained solid-liquid mixture is dried at 50°C to obtain the particle size About 56μm Ti 3 AlC 2 Powder;

[0024] 2) Two-dimensional layered titanium carbide (Ti 3 C 2 ) preparation

[0025] 2g Ti 3 AlC 2 The powder was immersed in 50mL of hydrofluoric acid solution with a mass concentration of 45%, and reacted for 12h under magnetic stirring to complete the ternary layered Ti 3 AlC 2 The powder is subjected to corrosion treatment, and then centrifugally cleaned with deionized water until the pH value is 5-6, and the obtained solid sample is dried at room temperature to obtain a two-di...

Embodiment 2

[0032] 1) Refined powder

[0033] Refinement of ternary layered Ti with a purity greater than 97% by high energy ball milling 3 AlC 2 Powder, high-energy ball milling condition ball stone, ternary layered Ti 3 AlC 2 The mass ratio of powder and ball milling medium is 10:1:1, the ball milling speed is 400r / min, the high energy ball milling time is 4h, and then the obtained solid-liquid mixture is dried at 50°C to obtain Ti with a particle size of about 8 μm. 3 AlC 2 Powder;

[0034] 2) Two-dimensional layered titanium carbide (Ti 3 C 2 ) preparation

[0035] 5g Ti 3 AlC 2 The powder was immersed in 100mL of hydrofluoric acid solution with a mass concentration of 40%, and reacted for 48h under magnetic stirring; to complete the ternary layered Ti 3 AlC 2 The powder is subjected to corrosion treatment, and then centrifugally cleaned with deionized water until the pH value is 5-6, and the obtained solid sample is dried at room temperature to obtain a two-dimensional lay...

Embodiment 3

[0039] 1) Refined powder

[0040] Refinement of ternary layered Ti with a purity greater than 97% by high energy ball milling 3 AlC 2 Powder, high-energy ball milling condition ball stone, ternary layered Ti 3 AlC 2 The mass ratio of powder and ball milling medium is 10:1:1, the ball milling speed is 400r / min, the high energy ball milling time is 3h, and then the obtained solid-liquid mixture is dried at 55°C to obtain Ti with a particle size of about 50μm. 3 AlC 2 Powder;

[0041] 2) Two-dimensional layered titanium carbide (Ti 3 C 2 ) preparation

[0042] 8g Ti 3 AlC 2 The powder was immersed in 160mL of hydrofluoric acid solution with a mass concentration of 40%, and reacted for 72h under magnetic stirring; to complete the ternary layered Ti 3 AlC 2 The powder is subjected to corrosion treatment, and then centrifugally cleaned with deionized water until the pH value is 5-6, and the obtained solid sample is dried at room temperature to obtain a two-dimensional lay...

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Abstract

The invention provides a hydrothermal preparation method of a zinc oxide / two-dimensional layered titanium carbide composite material. The hydrothermal preparation method of the zinc oxide / two-dimensional layered titanium carbide composite material comprises the following steps of adding two-dimensional layered titanium carbide and Zn(NO<3>)<2>.6H<2>O to anhydrous ethanol, performing stirring for 2-5 hours, adding NaOH, then performing stirring for 0.5-1h, placing a mixed solution in a hydrothermal kettle, enabling the mixed solution to be subjected to a reaction at 100-140 DEG C for 6-10h, performing washing, and performing drying so as to obtain the zinc oxide / two-dimensional layered titanium carbide composite material. According to the hydrothermal preparation method disclosed by the invention, non-toxic raw materials are used, besides, a preparation process is simple, the technology is controllable, the cost is low, the synthesized zinc oxide / two-dimensional layered titanium carbide composite material is large in specific surface area, concurrently has excellent properties of zinc oxide and excellent properties of two-dimensional layered titanium carbide, and the application of the zinc oxide / two-dimensional layered titanium carbide composite material in the fields of photocatalysis, wastewater treatment, biosensors, supercapacitors, lithium ion batteries and the like is facilitated.

Description

technical field [0001] The invention belongs to the technical field of preparation of nano functional materials, and relates to a two-dimensional layered titanium carbide (Ti 3 C 2 A method for loading zinc oxide nanoparticles on ), specifically relates to a hydrothermal preparation method of a zinc oxide / two-dimensional layered titanium carbide composite material. Background technique [0002] Two-dimensional layered titanium carbide (Ti 3 C 2 ) is a material with a graphene-like structure, which is composed of ternary layered compounds (Ti 3 AlC 2 ) obtained by selective etching. In recent years, this material has attracted extensive attention from researchers because of its strong conductivity, good flexibility, low diffusion coefficient, high capacitance, single-layer atomic sheet structure and good stability. Studies have shown that two-dimensional layered nano-titanium carbide (Ti 3 C 2 ) have important application prospects in the fields of supercapacitors, li...

Claims

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Application Information

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IPC IPC(8): C01G9/02C01B31/30
CPCC01G9/02C01P2002/72C01P2004/03C01P2004/80C01P2006/12
Inventor 王芬曹敏娟朱建锋杨海波秦毅王雷汤祎
Owner SHAANXI UNIV OF SCI & TECH
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