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Preparation method for flower-like titanium nitride/carbon nitride/graphene composite nanomaterial

A composite nanomaterial and graphene composite technology, applied in chemical instruments and methods, nanotechnology, nanotechnology, etc., can solve the problem of few multi-component nanocomposites of titanium nitride, and achieve short cycle, low cost and simple process Effect

Active Publication Date: 2016-12-07
HANGZHOU FUYANG WEIWEN ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In recent years, there have been many studies on nanostructured TiN, but the existing reports mainly focus on the preparation and properties of titanium nitride nanoparticles and titanium nitride films, while the research on titanium nitride multi-component nanocomposites is very limited. few
However, the composite nanomaterials of titanium nitride, carbon nitride and graphene to prepare multiple composite nanomaterials with excellent performance have not been reported yet.

Method used

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  • Preparation method for flower-like titanium nitride/carbon nitride/graphene composite nanomaterial
  • Preparation method for flower-like titanium nitride/carbon nitride/graphene composite nanomaterial

Examples

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Embodiment 1

[0023] A preparation method of petal-shaped titanium nitride / carbon nitride / graphene composite nanomaterial, comprising the steps of:

[0024] (1) Preparation of titanium nitride: Add 0.1mL, 36% concentrated hydrochloric acid and 15g of titanium citrate to 50mL of anhydrous ethanol / water mixed solvent in sequence under constant stirring, and then continue to stir at 35°C for 5h , to obtain a sol-like substance, and place the sol at 90°C for 12 hours to dry and then grind it into a powder; Pure ammonia gas, then raise the temperature at a constant speed under the condition of flowing ammonia gas at this flow rate, raise the temperature of the furnace to 1000°C, keep this temperature for 6 hours, and then lower the temperature to room temperature under the condition of flowing ammonia gas to obtain dark blue Titanium nitride;

[0025] (2) Preparation of titanium nitride / carbon nitride / graphene ternary composite nanomaterials: Dissolve 6g of cyanamide and 0.8g of templating agen...

Embodiment 2

[0027] A preparation method of petal-shaped titanium nitride / carbon nitride / graphene composite nanomaterial, comprising the steps of:

[0028] (1) Preparation of titanium nitride: Add 0.12mL, 36% concentrated hydrochloric acid and 20g of titanium citrate to 60mL of anhydrous ethanol / water mixed solvent in sequence under constant stirring, and then continue to stir at 30°C for 8 hours , to obtain a sol-like substance, and the sol was dried at 100°C for 12 hours and then ground into a powder; Pure ammonia gas, then raise the temperature at a constant speed under the condition of flowing ammonia gas at this flow rate, raise the temperature of the furnace to 1100°C, keep this temperature for 6 hours, and then lower the temperature to room temperature under the condition of flowing ammonia gas to obtain dark blue Titanium nitride;

[0029] (2) Preparation of titanium nitride / carbon nitride / graphene ternary composite nanomaterials: Dissolve 10 g of melamine and 1 g of templating ag...

Embodiment 3

[0031] A preparation method of petal-shaped titanium nitride / carbon nitride / graphene composite nanomaterial, comprising the steps of:

[0032] (1) Preparation of titanium nitride: Add 0.11mL, 36% concentrated hydrochloric acid and 16g of titanium citrate to 70mL of anhydrous ethanol / water mixed solvent in sequence under constant stirring, and then continue to stir at 36°C for 6h , to obtain a sol-like substance, and dry the sol at 90°C for 12 hours and then grind it into a powder; Pure ammonia gas, then raise the temperature at a constant speed under the condition of flowing ammonia gas at this flow rate, raise the temperature of the furnace to 1050°C, keep this temperature for 7 hours, and then lower the temperature to room temperature under the condition of flowing ammonia gas to obtain dark blue Titanium nitride;

[0033] (2) Preparation of titanium nitride / carbon nitride / graphene ternary composite nanomaterials: Dissolve 8g of cyanamide and 0.9g of template agent lysine i...

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Abstract

The invention provides a preparation method for a flower-like titanium nitride / carbon nitride / graphene composite nanomaterial. The method comprises the following steps of obtaining titanium nitride firstly, and then obtaining a flower-like composite under the action of a lysine template through a hydrothermal method, wherein the size of the flower-like structure is about 1.5 micron, the flower-like structure is formed by interlacing ultrathin nanosheets with the thickness of 17-23 nm with each other, the specific surface area of the material is 200-260 m<2> / g, so that the composite shows better characteristics when the composite is taken as an electrode material or a photocatalyst. The method has the advantages of simple technique, low cost, short period, friendly environment and the like and can be applicable to industrial mass production.

Description

technical field [0001] The invention belongs to the technical field of nanomaterial application, and in particular relates to a preparation method and application of a flower-shaped titanium nitride / carbon nitride / graphene composite nanomaterial. Background technique [0002] The study of nanomaterials is a frontier field in today's scientific research, and it is also a hot spot studied by many scientists all over the world. The magic and unknown aspects of nanomaterials have aroused people's widespread attention; the research and application of nanomaterials are currently hot spots and difficulties, and are also the focus of high-tech development. [0003] Carbon nitride is a class of organic semiconductor photocatalytic materials widely used in photolysis of water and photodegradation of organic pollutants. Carbon nitride is generally prepared by polymerization of nitrogen-containing precursors at high temperature. However, the bulk carbon nitride prepared by this method...

Claims

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Application Information

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IPC IPC(8): H01M4/86B82Y30/00B82Y40/00B01J27/24
CPCH01M4/8652B82Y30/00B82Y40/00B01J27/24B01J35/50B01J35/615Y02E60/50
Inventor 孙琴华
Owner HANGZHOU FUYANG WEIWEN ENVIRONMENTAL PROTECTION TECH CO LTD
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