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Preparation method of layered MoS2-Fe3O4 nano composite material

A mos2-fe3o4, nano-composite material technology, applied in the field of metal molybdenum, can solve the problems of poor particle performance of granular composite materials, complex preparation process of composite materials, unsuitable for industrial production, etc. Simple to use effects

Active Publication Date: 2016-08-03
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Based on the problems existing in the prior art, the present invention proposes a layered MoS 2 -Fe 3 o 4 Nanocomposite material and its preparation method to obtain layered MoS with nanoscale and superior performance 2 -Fe 3 o 4 Nanocomposites to address existing MoS 2 -Fe 3 o 4 The preparation process of composite materials is complicated, energy consumption is high, it is not suitable for industrial production, and the technical problems of poor performance of granular composite materials in terms of adsorption and photocatalysis

Method used

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  • Preparation method of layered MoS2-Fe3O4 nano composite material

Examples

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Embodiment 1

[0039] This example gives a layered MoS 2 -Fe 3 o 4 A method for preparing a nanocomposite material, the method specifically comprising the following steps:

[0040] Step 1: Take 10g of molybdenum disulfide powder and grind it to a 200-mesh sieve, add it to an ethanol solution with a mass concentration of 10% and containing 100g of polyphenylene sulfide, heat it in a water bath to 30°C and stir for 12h, filter and remove the filter cake Dry, grind to 200 mesh and sieve to obtain 3g layered molybdenum disulfide powder.

[0041] Step 2, get 100gFe(NO 3 ) 3 9H 2 O was mixed with 80 g of citric acid and added to 100 g of distilled water. Added ammonia water to adjust the pH value to 6.5, and stirred and chelated at 45°C for 6 h to obtain a yellow sol solution.

[0042] Step 3: Take 150g of sol solution and add 3g of layered molybdenum disulfide powder into it, continue to stir at 45°C for 1h, dry the mixed sol at 100°C for 6h to obtain xerogel, and grind it to 200 mesh Siev...

Embodiment 2

[0049] This example gives a layered MoS 2 -Fe 3 o 4 A method for preparing a nanocomposite material, the method specifically comprising the following steps:

[0050] Step 1: Take 10g of molybdenum disulfide powder and grind it to a 200-mesh sieve, add it to an ethanol solution with a mass concentration of 20% and containing 200g of polyphenylene sulfide, heat it in a water bath to 70°C and stir for 5h, filter and remove the filter cake Dry, grind to 200 mesh and sieve to obtain 3.2g layered molybdenum disulfide powder.

[0051] Step 2, get 100gFe(NO 3 ) 3 9H 2 O was mixed with 100 g of citric acid and added to 150 g of distilled water. Added ammonia water to adjust the pH value to 7. Stir and chelate at 50 ° C for 5 h to obtain a yellow sol solution.

[0052] Step 3, take 64g of sol solution and add 3.2g of layered molybdenum disulfide powder to it, continue stirring at 50°C for 1.5h, dry the sol at 105°C for 7h to obtain xerogel, and grind it to 200 mesh Sieve to obtai...

Embodiment 3

[0056] This example gives a layered MoS 2 -Fe 3 o 4 A method for preparing a nanocomposite material, the method specifically comprising the following steps:

[0057] Step 1: Take 10g of molybdenum disulfide powder and grind it to 200 mesh sieve, add it to an ethanol solution with a mass concentration of 30% and containing 300g of polyphenylene sulfide, heat it in a water bath to 40°C and stir for 8h, filter and remove the filter cake Dry, grind to 200 mesh and sieve to obtain 2.8g layered molybdenum disulfide powder.

[0058] Step 2, get 100gFe(NO 3 ) 3 9H 2 O was mixed with 120 g of citric acid and added to 200 g of distilled water. Added ammonia water to adjust the pH value to 7.5. Stir and chelate at 60°C for 4 h to obtain a yellow sol solution.

[0059] Step 3: Take 28g of sol solution and add 2.8g of layered molybdenum disulfide powder to it, continue to stir at 60°C for 2h, dry the sol at 110°C for 9h to obtain xerogel, and grind it to 200 mesh Sieve to obtain xer...

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Abstract

The invention provides a preparation method of a layered MoS2-Fe3O4 nano composite material. The preparation method comprises the following steps: adding molybdenum disulfide powder into a layered solution to carry out layering reactions, after reactions, filtering the solution, drying to obtain layered molybdenum disulfide powder; mixing ferric nitrate and citric acid, adding the mixture into water to carry out chelating reactions so as to obtain a yellow sol solution; adding the layered molybdenum disulfide powder into the yellow sol solution, mixing and stirring to obtain a mixed gel solution; drying to obtain dry gel, grinding dry gel to obtain dry gel powder; mixing dry gel powder with a blasting agent to carry out explosive reactions, cooling to the room temperature, and taking out the explosive reaction products, namely the layered MoS2-Fe3O4 nano composite material. The sol-gel method and the explosive high temperature impact technology are combined; the layered molybdenum disulfide and sol are fused; the rapid reduction of Fe3O4 and peeling of MoS2 can be finished in one step; and the layered MoS2-Fe3O4 nano composite material is prepared successfully.

Description

technical field [0001] The invention belongs to the technical field of metal molybdenum, relates to molybdenum disulfide composite materials, and in particular to a layered MoS 2 -Fe 3 o 4 Preparation methods of nanocomposites. Background technique [0002] Graphene-like MoS2 composed of single or few layers of MoS 2 ) is a new type of two-dimensional (2D) layered compound with graphene-like structure and properties. In recent years, it has become an emerging research hotspot due to its unique physical and chemical properties. Graphene-like molybdenum disulfide is a two-dimensional crystal material with a "sandwich sandwich" layered structure composed of a hexagonal single-layer or multi-layer molybdenum disulfide. The single-layer molybdenum disulfide is composed of three atomic layers. The layer is a molybdenum atomic layer, and the upper and lower layers are sulfur atomic layers. The molybdenum atomic layer is sandwiched by two sulfur atomic layers to form a "sandwich...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01G49/08B82Y30/00
CPCB82Y30/00C01G49/08C01P2004/04C01P2002/82C01P2004/64
Inventor 胡平王快社杨帆胡卜亮宋瑞陈震宇李秦伟戴晓庆
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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