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FeS nanoparticle synthesized based on solvothermal method, and preparation method and application thereof

A nanoparticle, solvothermal technology, applied in the fields of nanotechnology, nanotechnology, nanotechnology for materials and surface science, can solve the cumbersome preparation process of pyrrhotite FeS, the dependence on surfactants and solvents, The reaction has not been reported and other problems, to achieve the effect of good removal, good conductivity and adjustable size

Pending Publication Date: 2020-02-04
QINGDAO UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] (1) The preparation process of pyrrhotite FeS is cumbersome and complicated
[0006] (2) FeS nanocatalysts have not been reported for catalytic water splitting reactions
[0008] The difficulty of solving the above technical problems: the traditional method of preparing pyrrhotite requires surfactants to assist the solvothermal reaction of ethylene glycol, which is highly dependent on surfactants and solvents

Method used

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  • FeS nanoparticle synthesized based on solvothermal method, and preparation method and application thereof
  • FeS nanoparticle synthesized based on solvothermal method, and preparation method and application thereof
  • FeS nanoparticle synthesized based on solvothermal method, and preparation method and application thereof

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preparation example Construction

[0033] Such as figure 1 As shown, the preparation method of FeS nanoparticles synthesized based on solvothermal method provided by the embodiments of the present invention comprises the following steps:

[0034] S101: adding sulfur powder to iron pentacarbonyl, adding an organic solvent to dissolve and mix the sulfur powder and iron pentacarbonyl, and stirring the mixture at room temperature;

[0035] S102: transfer the mixture to a stainless steel autoclave, and put the autoclave into an oven to keep it warm for a period of time and then cool it down;

[0036] S103: After the reactor is cooled to room temperature, the mixture is centrifuged and washed to obtain a black precipitate, which is ultrasonically treated and washed several times with alcohol and ketone, and finally collected by centrifugation to obtain the nanoparticles.

[0037] The preparation method of FeS nanoparticles synthesized based on solvothermal method provided in the embodiment of the present invention s...

Embodiment 1

[0046] The preparation method of FeS nanoparticles synthesized based on solvothermal method provided in the embodiment of the present invention specifically includes the following steps:

[0047] First, 1.5ml of iron pentacarbonyl was added dropwise to 1g of sulfur powder, then 35ml of p-xylene was added, the mixture was magnetically stirred at room temperature at 1200 rpm for 15 minutes, and then transferred to a stainless steel autoclave , and then the autoclave was placed in an oven at 210°C for 24 hours. After the autoclave was cooled to room temperature, it was centrifuged and washed to obtain a black precipitate, which was then ultrasonically treated and washed several times with isopropanol and acetone, and finally centrifuged at a speed of 12,000 rpm for 10 minutes to collect the product to obtain the product FeS. Such as figure 1 Shown is the SEM picture of the flower-cluster-shaped FeS nanoparticles prepared in Example 1 of the present invention; figure 2 X-ray di...

Embodiment 2

[0049] The preparation method of FeS nanoparticles synthesized based on solvothermal method provided in the embodiment of the present invention specifically includes the following steps:

[0050] First, 1.5ml of iron pentacarbonyl was added dropwise to 1.5g of sulfur powder, then 35ml of p-xylene was added, the mixture was magnetically stirred at room temperature at 1200 rpm for 15 minutes, and then transferred to a stainless steel high pressure reaction The autoclave was then placed in an oven at 210°C for 24 hours. After the autoclave was cooled to room temperature, it was centrifuged and washed to obtain a black precipitate, which was then ultrasonically treated and washed several times with isopropanol and acetone, and finally centrifuged at a speed of 12,000 rpm for 10 minutes to collect the product to obtain the product FeS.

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Abstract

The invention belongs to the technical field of electrocatalytic decomposition of water, and discloses an FeS nanoparticle synthesized based on a solvothermal method, and a preparation method and an application thereof. Sulfur powder is added into pentacarbonyl iron, an organic solvent is added to dissolve and mix the sulfur powder and the pentacarbonyl iron, and the obtained mixture is stirred atroom temperature; the mixture is transferred into a stainless steel high-pressure reaction kettle, the reaction kettle is put into an oven, and a temperature is kept for a period of time, and then isreduced; and after the reaction kettle is cooled to room temperature, the obtained mixture is centrifugally washed to obtain a black precipitate, and the black precipitate is ultrasonically treated and washed with alcohol and ketone for multiple times, and finally is centrifugally collected to obtain the nanoparticles. The FeS nanocrystal with the advantages of adjustable morphology and size, good conductivity and high electrocatalytic performance is prepared on the nanoscal by taking the organic solvent as a solvent and adjusting the ratio of the raw materials through a chemical method, thee, and plays a wide role in the emerging fields such as energy sanitation and ecological civilization.

Description

technical field [0001] The invention belongs to the technical field of electrocatalytic water splitting, and in particular relates to a FeS nanoparticle synthesized based on a solvothermal method, a preparation method and an application. Background technique [0002] Currently, the closest available technology: Fossil fuels have been the main source of energy for the development of nations for centuries. Nowadays, with the rapid development of industry, the continuous increase of energy consumption has also led to increasingly serious damage to the environment. It is urgent to develop new renewable and clean energy substances to overcome the limitations and unfriendliness of traditional fossil fuels to the environment. With the continuous advancement of science and technology, the research on renewable and clean energy conversion technologies has been a hot pursuit in the past few decades. As a renewable energy source, hydrogen energy has the advantages of cleanness, greenn...

Claims

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Application Information

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IPC IPC(8): C01G49/12B82Y30/00C25B1/04C25B11/06
CPCC01G49/12B82Y30/00C25B1/04B01J27/043C10M125/22C01P2002/72C01P2004/03C01P2004/62C10M2201/065C25B11/075B01J35/33B01J35/60Y02E60/36
Inventor 林健健郑德华赵清云荆忠鑫孙蕾耿佳辉
Owner QINGDAO UNIV OF SCI & TECH
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