a layered mos 2 ‑fe 3 o 4 Nanocomposite material and its preparation method

A nano-composite material, mos2-fe3o4 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: 2017-03-15
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

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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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  • a layered mos <sub>2</sub> ‑fe <sub>3</sub> o <sub>4</sub> Nanocomposite material and its preparation method
  • a layered mos <sub>2</sub> ‑fe <sub>3</sub> o <sub>4</sub> Nanocomposite material and its preparation method
  • a layered mos <sub>2</sub> ‑fe <sub>3</sub> o <sub>4</sub> Nanocomposite material and its preparation method

Examples

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Embodiment 1

[0055] 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:

[0056] Step 1: Take 10g of molybdenum disulfide powder and grind it to 200 mesh and sieve it, 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 to obtain a mixed solution.

[0057] Step 2, add 5g KMnO to the above mixed solution 4 powder, heated to 50°C in a water bath and stirred for 18 hours, filtered and dried the filter cake, ground to 200 mesh and sieved to obtain 3g layered molybdenum disulfide powder.

[0058] Step 3, the obtained layered molybdenum disulfide powder and 3g Fe 3 o 4 Nano powder and 1.5g of picric acid are evenly mixed and loaded into a high-pressure reactor, vacuumed and argon is introduced, and the reactor is heated to 500°C to explode, and after cooling to room temperature with the fur...

Embodiment 2

[0064] 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:

[0065] Step 1: Grind 10 g of molybdenum disulfide powder to 200 mesh and sieve it, add it to an ethanol solution with a mass concentration of 20% and containing 200 g of polyphenylene sulfide, heat to 50° C. in a water bath and stir for 5 hours to obtain a mixed solution.

[0066] Step 2, add 10g KMnO to the above mixed solution 4 powder, heated to 80°C in a water bath and stirred for 8 hours, filtered and dried the filter cake, ground to 200 mesh and sieved to obtain 3.2g layered molybdenum disulfide powder.

[0067] Step 3, the layered molybdenum disulfide powder of gained and 1.6gFe 3 o 4 Nano-powder and 3.2g of picric acid are evenly mixed and loaded into a high-pressure reactor, vacuumed and argon is introduced, and the reactor is heated to 480°C to explode, and after cooling to room temperature with the furnac...

Embodiment 3

[0071] 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:

[0072] Step 1: Grind 10 g of molybdenum disulfide powder to a 200-mesh sieve, add it to an ethanol solution with a mass concentration of 30% and containing 300 g of polyphenylene sulfide, heat it in a water bath to 40° C. and stir for 8 hours to obtain a mixed solution.

[0073] Step 2, add 15g KMnO to the above mixed solution 4 powder, heated to 70°C in a water bath and stirred for 12 hours, filtered and dried the filter cake, ground to 200 mesh and sieved to obtain 2.8g layered molybdenum disulfide powder.

[0074] Step 3, the obtained layered molybdenum disulfide powder and 0.6g Fe 3 o 4 Nano-powder and 5.6g of picric acid were evenly mixed and loaded into a high-pressure reactor, vacuumed and argon was introduced, and the reactor was heated to 450°C to explode, and after cooling to room temperature with the furn...

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Abstract

The invention provides a layered MoS2-Fe3O4 nanocomposite material and a preparation method thereof, wherein molybdenum disulfide powder is added into a layered solution for a layered reaction to form a mixed solution; an oxidant is added to the mixed solution for an oxidative intercalation reaction , after filtering and drying to obtain intercalated molybdenum disulfide powder; add Fe3O4 nanometer powder and explosive agent to the intercalated molybdenum disulfide powder to carry out explosive reaction, and take out the explosive reaction product after cooling to room temperature to obtain layered MoS2‑Fe3O4 nanocomposite material . The invention utilizes the thiophilic property of the aromatic sulfide to reduce the interlayer van der Waals force of the molybdenum disulfide raw material powder, and successfully delaminates it in combination with explosion impact. The present invention combines the sol-gel method with the explosive high-temperature impact, and after the intercalation molybdenum disulfide is fused with the sol, the rapid reduction of Fe3O4 and the stripping of MoS2 are completed in only one step of explosion, and the layered MoS2-Fe3O4 nano composite material.

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 Nanocomposites and methods for their preparation. Background technique [0002] Graphene-like MoS2 composed of single or few layers of MoS2 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...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01G49/08B82Y30/00
CPCB82Y30/00C01G49/08C01P2002/72C01P2002/82C01P2004/04C01P2004/64C01P2004/80
Inventor 胡平王快社杨帆胡卜亮宋瑞陈震宇李秦伟刘漫博
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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