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Preparation method of three-dimensional spherical In2S3-SnS2 compound

A technology of in2s3-sns2 and composites, which is applied in the direction of chemical instruments and methods, chemical/physical processes, physical/chemical process catalysts, etc., can solve the problems of complex difficulties and large differences, and achieve the goal of ensuring the composite effect and reducing the size Effect

Inactive Publication Date: 2018-12-21
HANGZHOU DIANZI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, SnS 2 Synthesis conditions and three-dimensional spherical In 2 S 3 The difference is large, and there are certain difficulties in obtaining composites compatible with these two nanomaterials. Therefore, the present invention provides a mature and reliable method to prepare three-dimensional spherical In 2 S 3 -SnS 2 Complex

Method used

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  • Preparation method of three-dimensional spherical In2S3-SnS2 compound
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  • Preparation method of three-dimensional spherical In2S3-SnS2 compound

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Effect test

Embodiment 1

[0018] Mix 10g of indium nitrate, 20gl-isoleucine, 10g of sodium borohydride and 600g of water in a mass ratio of 1:2:1:60, and place them in a hydrothermal reaction kettle for hydrothermal reaction. The temperature of the hydrothermal reaction is 160°C , the constant temperature time is 8 hours; the solid-liquid mixture after the hydrothermal reaction is subjected to solid-liquid centrifugation, the liquid product is poured out, the solid product is taken out, washed 3 times with deionized water, and then dried at 70°C for 5 hours; After drying, the product was ground into powder to obtain a three-dimensional spherical In 2 S 3 ; 100g three-dimensional spherical In 2 S 3 , 10gSnCl 4 , 20g of thiourea, 10g of ethylenediamine and 500g of water are mixed according to the mass ratio of 10:1:2:1:50 to form a precursor solution, and placed in a hydrothermal reaction kettle for hydrothermal reaction. The time is 20 hours; the solid-liquid mixture after the hydrothermal reaction ...

Embodiment 2

[0021] Mix 10g of indium nitrate, 30gl-isoleucine, 10g of sodium borohydride and 600g of water in a mass ratio of 1:3:1:60, and place them in a hydrothermal reaction kettle for hydrothermal reaction. The temperature of the hydrothermal reaction is 180°C , the constant temperature time is 10 hours; the solid-liquid mixture after the hydrothermal reaction is subjected to solid-liquid centrifugation, the liquid product is poured out, the solid product is taken out, washed with deionized water for 3 times, and then dried at 80°C for 6 hours; After drying, the product was ground into powder to obtain a three-dimensional spherical In 2 S 3 ; 100g three-dimensional spherical In 2 S 3 , 20gSnCl 4 , 30g of thiourea, 20g of ethylenediamine and 500g of water are mixed according to the mass ratio of 10:2:3:2:50 to form a precursor solution, and placed in a hydrothermal reaction kettle for hydrothermal reaction. The time is 24 hours; the solid-liquid mixture after the hydrothermal reac...

Embodiment 3

[0024] Mix 10g of indium nitrate, 40gl-isoleucine, 20g of sodium borohydride and 600g of water in a mass ratio of 1:4:2:60, and place them in a hydrothermal reaction kettle for hydrothermal reaction. The temperature of the hydrothermal reaction is 200°C , the constant temperature time is 12 hours; the solid-liquid mixture after the hydrothermal reaction is subjected to solid-liquid centrifugation, the liquid product is poured out, the solid product is taken out, washed with deionized water for 3 times, and then dried at 80°C for 8 hours; After drying, the product was ground into powder to obtain a three-dimensional spherical In 2 S 3 ; 100g three-dimensional spherical In 2 S 3 , 30gSnCl 4 , 40g of thiourea, 30g of ethylenediamine and 500g of water are mixed according to the mass ratio of 10:3:4:3:50 to form a precursor solution, and placed in a hydrothermal reaction kettle for hydrothermal reaction. The hydrothermal reaction temperature is 200°C, constant temperature The t...

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Abstract

The invention relates to a preparation method of a three-dimensional spherical In2S3-SnS2 compound. According to the method, indium nitrate, 1-isoleucine, sodium borohydride and water are mixed into precursor liquid, and the precursor liquid is placed in a hydrothermal reaction kettle for hydrothermal reaction to obtain three-dimensional spherical In2S3; the three-dimensional spherical In2S3, SnCl4, thiourea, ethanediamine and water are mixed into precursor liquid, and the precursor liquid is placed in the hydrothermal reaction kettle for secondary hydrothermal reaction to obtain the three-dimensional spherical In2S3-SnS2 compound. The method has the advanges of simple process, easiness in control and high production efficiency.

Description

technical field [0001] The invention relates to a three-dimensional spherical In 2 S 3 -SnS 2 Method for the preparation of the complex. Background technique [0002] In 2 S 3 It is a new type of optoelectronic material. It has been reported that three-dimensional spherical In 2 S 3 . This In 2 S 3 It has a large specific surface area and exhibits certain photoelectric conversion and catalytic properties. This three-dimensional spherical structure is also an ideal composite carrier, because its surface has many pores of tens of nanometers, which can be easily combined with other nanoparticle materials. Its composites tend to have better photoelectric conversion and catalytic properties. SnS 2 It is a kind of flake nanomaterial, and it has not been reported that three-dimensional spherical In 2 S 3 -SnS 2 complex, applicants found that mainly because of the SnS 2 The side length of the nanosheet is 50-100nm, it is difficult to enter the In 2 S 3 channel, so w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J27/04
CPCB01J27/04
Inventor 陈炫张峻
Owner HANGZHOU DIANZI UNIV
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