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A kind of high heat resistant zinc selenide material and its preparation method

A technology of zinc selenide and high heat resistance, applied in the field of nanomaterials, can solve problems such as limiting the application of zinc selenide materials, and achieve the effect of improving heat resistance

Active Publication Date: 2022-05-24
南京睿扬光电技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the highest heat-resistant temperature of zinc selenide materials is about 1000°C, which limits the further application of zinc selenide materials. Therefore, it is necessary to study a high heat-resistant zinc selenide material

Method used

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  • A kind of high heat resistant zinc selenide material and its preparation method
  • A kind of high heat resistant zinc selenide material and its preparation method

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Embodiment 1

[0028] A high heat-resistant zinc selenide material, in parts by weight, mainly comprising: 30 parts of zinc nitrate, 25 parts of selenium powder, 20 parts of sodium borohydride, 5 parts of hydrazine hydrate, 5 parts of calcium hydroxide, 10 parts of modified Chitosan and 4 parts ethyl orthosilicate.

[0029] A preparation method of a high heat-resistant zinc selenide material, the preparation method of the high heat-resistant zinc selenide material mainly comprises the following preparation steps:

[0030] (1) Mix the chitosan solution with the silk fibroin solution in a mass ratio of 4:6, freeze for 12 hours at a temperature of -80°C, freeze-dry it for 48 hours at a temperature of -50°C, and pulverize to obtain modified chitosan;

[0031] (2) Mix selenium powder and sodium borohydride in a beaker at a mass ratio of 5:4, add 8 times the mass of selenium powder to the beaker, and stir the reaction at a temperature of 60 ° C and a rotating speed of 300 r / min. 6h, filtered to ...

Embodiment 2

[0037] A high heat-resistant zinc selenide material, in parts by weight, mainly comprising: 30 parts of zinc nitrate, 25 parts of selenium powder, 20 parts of sodium borohydride, 5 parts of hydrazine hydrate, 5 parts of calcium hydroxide, and 10 parts of chitosan sugar and 4 parts ethyl orthosilicate.

[0038] A preparation method of a high heat-resistant zinc selenide material, the preparation method of the high heat-resistant zinc selenide material mainly comprises the following preparation steps:

[0039] (1) Mix selenium powder and sodium borohydride in a beaker at a mass ratio of 5:4, add 8 times the mass of selenium powder to the beaker, and stir the reaction at a temperature of 60 ° C and a rotating speed of 300 r / min. 6h, filtered to obtain a filter cake, and the filter cake was dried at a temperature of 85 ° C for 3 hours to obtain sodium selenide;

[0040](2) chitosan and zinc nitrate are mixed in the flask by mass ratio 1:3, and to the water of 50 times the mass of...

Embodiment 3

[0043] A high heat-resistant zinc selenide material, in parts by weight, mainly comprising: 30 parts of zinc nitrate, 25 parts of selenium powder, 20 parts of sodium borohydride, 5 parts of hydrazine hydrate, 10 parts of modified chitosan and 4 parts of Ethyl orthosilicate.

[0044] A preparation method of a high heat-resistant zinc selenide material, the preparation method of the high heat-resistant zinc selenide material mainly comprises the following preparation steps:

[0045] (1) Mix the chitosan solution with the silk fibroin solution in a mass ratio of 4:6, freeze for 12 hours at a temperature of -80°C, freeze-dry it for 48 hours at a temperature of -50°C, and pulverize to obtain modified chitosan;

[0046] (2) Mix selenium powder and sodium borohydride in a beaker at a mass ratio of 5:4, add 8 times the mass of selenium powder to the beaker, and stir the reaction at a temperature of 60 ° C and a rotating speed of 300 r / min. 6h, filtered to obtain a filter cake, and t...

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Abstract

The invention discloses a high heat-resistant zinc selenide material and a preparation method thereof, and relates to the technical field of nanometer materials. In the present invention, chitosan and silk protein solution are mixed, freeze-dried and pulverized to obtain modified chitosan, then selenium powder is mixed with sodium borohydride to obtain sodium selenium hydride, and finally, sodium selenium hydride Mix with silver nitrate, add modified chitosan, react under the action of hydrazine hydrate, then add glutaraldehyde, ethyl orthosilicate and calcium hydroxide, and pass in carbon dioxide, stir and react, filter and dry , to produce high heat-resistant zinc selenide materials. The high heat-resistant zinc selenide material prepared by the invention has a relatively high thermal decomposition temperature and has a good market prospect.

Description

technical field [0001] The invention relates to the technical field of nanomaterials, in particular to a high heat-resistant zinc selenide material and a preparation method thereof. Background technique [0002] Zinc selenide material is a group II-VI semiconductor light-emitting host material. It has excellent performance, wide energy band gap, high refractive index, high light transmittance, etc. It is widely used in physics, optics, sensors, optoelectronic materials and other fields. The intrinsic emission of ZnSe is in the blue or green region, especially in the visible light range, it has excellent photoelectric catalysis and photoelectric conversion activities, as well as good transmission properties and stable refractive properties, making ZnSe one of the ideal materials for manufacturing optoelectronic devices. one. Zinc selenide materials have irreplaceable advantages in traditional optoelectronic applications, such as: blue light-emitting devices, infrared thermal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B19/04
CPCC01B19/007C01P2006/37
Inventor 王征王琦
Owner 南京睿扬光电技术有限公司
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