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A kind of synthetic method of sns2/mn3o4 three-dimensional multilevel structure and the product obtained therefrom

A synthesis method and three-dimensional technology, applied in chemical instruments and methods, tin compounds, manganese oxide/manganese hydroxide, etc., can solve the problems of less theoretical guidance and complicated experimental process, and achieve easy reaction process, simple equipment and uniformity Good results

Inactive Publication Date: 2019-10-11
UNIV OF JINAN
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AI Technical Summary

Problems solved by technology

[0005] Currently, people for SnS 2 / Mn 3 o 4 The research on three-dimensional multi-level structures is still in its infancy, with less theoretical guidance and more complicated experimental procedures. Therefore, exploring SnS 2 and Mn 3 o 4 The ordered self-assembly process in different growth environments has important theoretical and practical implications

Method used

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  • A kind of synthetic method of sns2/mn3o4 three-dimensional multilevel structure and the product obtained therefrom
  • A kind of synthetic method of sns2/mn3o4 three-dimensional multilevel structure and the product obtained therefrom
  • A kind of synthetic method of sns2/mn3o4 three-dimensional multilevel structure and the product obtained therefrom

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] 1.1 Add 0.4781 g of tin chloride pentahydrate, 0.6659 g of thioacetamide and 0.0590 g of p-phenylenediamine to 30 mL of absolute ethanol, and stir to obtain a transparent solution;

[0035] 1.2 Transfer the above transparent solution to the reaction kettle, and react in a closed manner at 160 °C for 18 h, after centrifugation and washing, the SnS 2 flower-like self-assembly;

[0036] 1.3 Add 0.0952 g of SnS 2 The flower-like self-assembly was dispersed into a mixed solvent of 12.5 mL of glycerol and 12.5 mL of water, and 0.2312 g of PVP, 0.1249 g of manganese chloride tetrahydrate and 0.3580 g of sodium acetate trihydrate were added to dissolve completely, and a mixture was obtained. liquid;

[0037] 1.4 Transfer the above mixed solution to the reaction kettle, and react in a closed manner at 180 °C for 16 h, after centrifugation and washing, the SnS 2 / Mn 3 o 4 Three-dimensional multilevel structure.

[0038] The XRD result of the product is as follows figure 1...

Embodiment 2

[0040] 2.1 Add 0.2444 g of tin chloride pentahydrate, 0.4399 g of thioacetamide and 0.0437 g of p-phenylenediamine into 30 mL of absolute ethanol, and stir to obtain a transparent solution;

[0041] 2.2 Transfer the above transparent solution to the reaction kettle, and react in a closed manner at 170 °C for 19 h, after centrifugation and washing, the SnS 2 flower-like self-assembly;

[0042] 2.3 Add 0.1600 g of SnS 2 The flower-like self-assembly was dispersed into a mixed solvent of 12.5 mL of glycerol and 12.5 mL of water, and 0.3108 g of PVP, 0.1050 g of manganese chloride tetrahydrate and 0.6976 g of sodium acetate trihydrate were added to dissolve completely, and a mixture was obtained. liquid;

[0043] 2.4 Transfer the above mixed solution to the reaction kettle, and react in a closed manner at 190 °C for 6 h, after centrifugation and washing, the SnS 2 / Mn 3 o 4 Three-dimensional multilevel structure. The skeleton structure of the three-dimensional hierarchical s...

Embodiment 3

[0045] 3.1 Add 0.4993 g of tin chloride pentahydrate, 0.5564 g of thioacetamide and 0.0770 g of p-phenylenediamine into 30 mL of absolute ethanol, and stir to obtain a transparent solution;

[0046] 3.2 Transfer the above transparent solution to the reaction kettle, seal the reaction at 150 °C for 7 h, centrifuge and wash to obtain SnS 2 flower-like self-assembly;

[0047] 3.3 Add 0.0800 g of SnS 2 The flower-like self-assembly was dispersed into a mixed solvent of 12.5 mL of glycerol and 12.5 mL of water, and 0.2282 g of PVP, 0.1399 g of manganese chloride tetrahydrate and 0.2586 g of sodium acetate trihydrate were added to dissolve completely, and a mixture was obtained. liquid;

[0048] 3.4 Transfer the above mixed solution to the reaction kettle, and react in a closed manner at 170 °C for 17 h. After centrifugation and washing, SnS 2 / Mn 3 o 4 Three-dimensional multilevel structure. The skeleton structure of the three-dimensional hierarchical structure is composed of...

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Abstract

The invention discloses a synthesis method of a SnS2 / Mn3O4 three-dimensional multilevel structure and an obtained product. The synthesis method comprises the following steps: mixing a tin salt, thioacetamide, p-phenylenediamine and absolute ethyl alcohol to obtain a transparent solution, enabling the transparent solution to have a solvothermal reaction, and obtaining a SnS2 flower-like self-assembly body; dispersing the SnS2 flower-like self-assembly body into mixed solvents of water and glycerin, adding PVP, a manganese salt and sodium acetate, mixing evenly to obtain a mixed solution; enabling the mixed solution to have a solvothermal reaction, and obtaining the product. A morphology controllable SnS2 / Mn3O4 composite is obtained through the two steps of solvothermal reactions. The SnS2 / Mn3O4 three-dimensional multilevel structure is novel in microstructure and controllable in size, the reaction process is easy to regulate, the product uniformity is good, the repeatability is high, and the SnS2 / Mn3O4 three-dimensional multilevel structure has a higher application value in the field of photocatalysis.

Description

technical field [0001] The present invention relates to a kind of SnS 2 / Mn 3 o 4 Synthesis method of composite material, specifically related to a SnS with controllable morphology 2 / Mn 3 o 4 Synthesis method of three-dimensional multi-level structure and products obtained therefrom. Background technique [0002] As a typical representative of inorganic semiconductor materials, sulfide semiconductor materials have unique optical, electrical and magnetic properties, and are mainly used in solar cells, supercapacitors, photocatalytic water splitting, optoelectronic devices, biosensing, gas sensitive materials and other fields. received widespread attention. Among them, the bandgap of metal sulfides is generally narrow, and it is easy to be regulated by doping or composite modification. It can show good photocatalytic performance under the excitation of visible light waves, and play an important role in green energy and environmental governance. play an important role. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01G19/00C01G45/02
Inventor 马谦陈迎李绘韩智峰张进涛王思嘉方圆李永涵杨萍
Owner UNIV OF JINAN
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