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SnS2 nanosheet array structure with photo-thermal function and preparation method thereof

A nanosheet array and array structure technology, applied in chemical instruments and methods, heating, clothing, etc., to achieve the effects of strong adaptability, uniform shape, and strong operability

Pending Publication Date: 2022-02-08
NANTONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, regarding SnS 2 There are few reports on the photothermal function of two-dimensional materials

Method used

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  • SnS2 nanosheet array structure with photo-thermal function and preparation method thereof
  • SnS2 nanosheet array structure with photo-thermal function and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] 1.0mmol SnCl 2 2H 2 O and 1.0mmol thioacetamide were uniformly dispersed in 1.6mL isopropanol, and magnetically stirred for 20min; then 1.0g polyvinylpyrrolidone was dispersed in 30mL isopropanol, and magnetically stirred for 30min to fully dissolve; then SnCl 2 2H 2 The dispersion liquid of O and thioacetamide was successively added to the isopropanol solution dissolved in polyvinylpyrrolidone, and magnetically stirred for 30 minutes; In the lining of the reaction kettle, after the stainless steel reaction kettle was sealed, the solvothermal reaction was carried out at 170°C for 10h; after the reaction kettle was naturally cooled to room temperature, the substrate was washed three times with distilled water and absolute ethanol, and vacuum-dried at 40°C to obtain SnS with array structure on the surface 2 Nanosheets coated carbon cloth.

Embodiment 2

[0023] 0.5mmol SnCl 2 2H 2 O and 0.5mmol thioacetamide were uniformly dispersed in 1.0mL isopropanol, and magnetically stirred for 20min; then 0.5g polyvinylpyrrolidone was dispersed in 30mL isopropanol, and magnetically stirred for 30min to fully dissolve; then SnCl 2 2H 2 The dispersion liquid of O and thioacetamide was successively added to the isopropanol solution dissolved in polyvinylpyrrolidone, and magnetically stirred for 30 minutes; In the lining of the reaction kettle, after the stainless steel reaction kettle was sealed, the solvothermal reaction was carried out at 170°C for 10h; after the reaction kettle was naturally cooled to room temperature, the substrate was washed three times with distilled water and absolute ethanol, and vacuum-dried at 40°C to obtain SnS with array structure on the surface 2 Nanosheets coated carbon cloth.

Embodiment 3

[0025] 0.8mmol SnCl 4 ·5H 2 O and 0.8mmol thioacetamide were uniformly dispersed in 1.6mL isopropanol, and magnetically stirred for 20min; then 1.0g polyvinylpyrrolidone was dispersed in 30mL isopropanol, and magnetically stirred for 30min to fully dissolve; then SnCl 4 ·5H 2 The dispersions of O and thioacetamide were successively added to the isopropanol solution in which polyvinylpyrrolidone was dissolved, and magnetically stirred for 30 minutes; after mixing evenly, the above mixed solution was transferred to a filter layer of 1cm×1cm disposable medical mask. In the lining of the polytetrafluoroethylene reactor, after the stainless steel reactor was sealed, the solvothermal reaction was carried out at 160°C for 12 hours; after the reactor was naturally cooled to room temperature, the substrate was washed three times with distilled water and absolute ethanol, and then heated at 40°C SnS with array structure on the surface obtained after vacuum drying 2 Nanosheets coated ...

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Abstract

The invention discloses a SnS2 nanosheet array structure with a photo-thermal function and a preparation method of the SnS2 nanosheet array structure. The preparation method comprises the following steps: uniformly stirring and dispersing tin salt and sulfide in a solvent respectively; sequentially adding the two solutions into the same solvent in which a surfactant is dissolved; fully stirring and uniformly mixing the components, transferring the mixed solution into a reaction kettle with a substrate, and carrying out solvothermal reaction for a certain time at a specific temperature; after the reaction kettle is naturally cooled to room temperature, repeatedly washing the substrate with distilled water and absolute ethyl alcohol; and performing vacuum drying to obtain the fiber material with the SnS2 nanosheet array structure on the surface. The SnS2 nanosheet loaded fiber material with the photo-thermal function is prepared through a one-step solvothermal method, and the application range of a fiber substrate in the aspects of photo-thermal antibiosis, photoelectric detection and electrochemical energy storage is widened by means of the excellent electrochemical performance, photoelectric response capacity and photo-thermal conversion capacity of SnS2.

Description

technical field [0001] The invention relates to a SnS with photothermal function 2 The nanosheet array structure and its preparation method belong to the technical field of preparation of inorganic nanometer materials and photothermal functional materials. Background technique [0002] Antibacterial materials have important application value and market demand in the field of life and health, and are an important guarantee for human health. Bacteria remaining on the surface of disposable protective materials after use can easily cause secondary pollution, seriously threatening environmental safety and human life and health. Therefore, the research and development of protective materials with excellent sterilization function can effectively reduce the waste of resources, and has important social value and scientific significance to the national economy and people's life and health. The currently developed sterilization methods include high temperature and high pressure steri...

Claims

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Application Information

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IPC IPC(8): C01G19/00A41D13/11A61L2/04
CPCC01G19/00A41D13/1192A61L2/04C01P2004/03C01P2004/20
Inventor 黄卫春王梦可訾由胡怡朱君
Owner NANTONG UNIVERSITY
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