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A method for preparing graphene-like molybdenum disulfide-ferric oxide composite material by reduction of protein substances

A technology of ferric oxide and molybdenum disulfide, applied in the fields of molybdenum sulfide, chemical instruments and methods, iron oxide/iron hydroxide, etc., can solve the problem of poor particle performance of granular composite materials, unsuitability for industrial production, and complicated preparation process and other problems, to achieve the effect of large output, good magnetic guidance performance and high production efficiency

Active Publication Date: 2018-05-18
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 object of the present invention is to provide a method for preparing graphene-like molybdenum disulfide-ferric oxide composite materials by reduction of protein substances, which can obtain graphite-like materials with nanoscale and superior performance. Molybdenum disulfide-ferroferric oxide nanocomposite material solves the problem of complex preparation process of the existing graphene-like molybdenum disulfide-ferric oxide composite material, high energy consumption, non-environmental protection and not suitable for industrial production, and granular composite Technical issues with poor performance of material particles in terms of adsorption and photocatalysis

Method used

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  • A method for preparing graphene-like molybdenum disulfide-ferric oxide composite material by reduction of protein substances
  • A method for preparing graphene-like molybdenum disulfide-ferric oxide composite material by reduction of protein substances
  • A method for preparing graphene-like molybdenum disulfide-ferric oxide composite material by reduction of protein substances

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Embodiment 1

[0046] The present embodiment provides a method for preparing a graphene-like molybdenum disulfide-ferric oxide composite material by reduction of a protein substance, and the method comprises the following steps:

[0047] Step 1, the molybdenum disulfide powder is ground to 200 mesh and sieved, and 10 g of the molybdenum disulfide powder under the sieve is added to the intercalation solution. The composition of the intercalation solution is 20 g of potassium chlorate, 10 g of sodium nitrate, and a mass concentration of 98%. 230mL of concentrated sulfuric acid and 70mL of hydrogen peroxide with a mass concentration of 30%;

[0048] Heat in a water bath to 15°C for 2 hours, then stir at 30°C for 30 minutes to carry out intercalation reaction, then heat to 75°C and stir for 30 minutes to react, filter the solution obtained after the reaction and dry the filter cake, grind to 200 mesh sieve, The intercalated molybdenum disulfide powder was obtained.

[0049] Step 2: Take 0.5g of...

Embodiment 2

[0056] The present embodiment provides a method for preparing a graphene-like molybdenum disulfide-ferric oxide composite material by reduction of a protein substance, and the method comprises the following steps:

[0057] Step 1: Grind molybdenum disulfide powder to 200 mesh and sieve, take 10g of undersize molybdenum disulfide powder and add it to the intercalation solution. The composition of the intercalation solution is 40g of potassium chlorate, 5g of sodium nitrate, and a mass concentration of 98%. The concentrated sulfuric acid is 300mL and the hydrogen peroxide of mass concentration 30% is 60mL.

[0058] Heat in a water bath to 10°C for 2 hours, then stir at 10°C for 30 minutes to carry out intercalation reaction, then heat to 95°C and stir for 25 minutes to react, filter the solution obtained after the reaction and dry the filter cake, grind to 200 mesh sieve, The intercalated molybdenum disulfide powder was obtained.

[0059] Step 2: Take 1.1 g of tyrosine and add ...

Embodiment 3

[0065] The present embodiment provides a method for preparing a graphene-like molybdenum disulfide-ferric oxide composite material by reduction of a protein substance, and the method comprises the following steps:

[0066] Step 1, grind molybdenum disulfide powder to 200 mesh and sieve, take 10g of molybdenum disulfide powder under the sieve and add it to the intercalation solution. The composition of the intercalation solution is 10g of potassium chlorate, 8g of sodium nitrate, and a mass concentration of 98%. The concentrated sulfuric acid is 400mL and the hydrogen peroxide of mass concentration 30% is 45mL.

[0067] Heated in a water bath to 30°C for 1 hour, then stirred at 45°C for 50 minutes for intercalation reaction, then heated to 98°C and stirred for 15 minutes, filtered the solution obtained after the reaction and dried the filter cake, ground to 200 mesh and sieved, The intercalated molybdenum disulfide powder was obtained.

[0068] Step 2: Take 1.1 g of tyrosine a...

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Abstract

The invention provides a method for preparing a graphene-like molybdenum disulfide-iron tetroxide composite material by reducing protein substances. The molybdenum disulfide powder is added to an intercalation solution to carry out intercalation reaction, and after the reaction is completed, filtering and drying to obtain intercalated molybdenum disulfide powder; mix the intercalated molybdenum disulfide powder prepared in step 1 with protein substances and water, stir evenly, dry and grind to obtain precursor powder; mix ferric nitrate and citric acid and add In water, carry out chelation reaction to obtain yellow sol solution; add precursor powder to yellow sol solution, stir and mix to obtain mixed gel, dry and grind to obtain dry gel powder; dry gel powder is subjected to reduction reaction under protective gas , and the reaction product was taken out after cooling after completion of the reaction. The invention simultaneously realizes the peeling of molybdenum disulfide and the generation of ferric oxide, and completes the composite process of graphene-like molybdenum disulfide and ferric oxide in one step.

Description

technical field [0001] The invention belongs to the field of novel two-dimensional materials, and relates to a graphene-like molybdenum disulfide composite material, in particular to a method for preparing a graphene-like molybdenum disulfide-ferric oxide composite material by reducing a protein substance. Background technique [0002] Graphene-like molybdenum disulfide composed of few layers of molybdenum disulfide 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 hexagonal multi-layer molybdenum disulfide. The single-layer molybdenum disulfide is composed of three atomic layers, and the middle layer is molybdenum Atomic layers, the upper and lower layers are sulfur atomic layers, t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01G49/08B01J20/20B01J20/30B01J20/28
CPCB01J20/0218B01J20/06B01J20/20B01J20/28009C01G39/06C01G49/08C01P2002/72C01P2002/82C01P2004/04
Inventor 胡平王快社陈震宇周宇航常恬杨帆胡卜亮李秦伟邓洁刘晓平
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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