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Silica glass preparation method

A technology of silica glass and ethyl orthosilicate, which is applied in the field of semiconductor preparation, can solve the problems of not being clear about the structure and morphology of doped CuCI and not many quantum confinement effects, and achieves high hardness, good optical quality and stable performance. Effect

Inactive Publication Date: 2015-03-11
CHONGQING XUXING CHEM
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The optical and nonlinear optical properties of doped CuCI glasses prepared by magnetron sputtering and melting methods have gradually been systematically studied, but it is still not clear how different matrix materials affect the structure, morphology, quantum limit and so on of doped CuCI glasses. The influence of domain effect and optical nonlinear effect n Using the sol-gel method to successfully prepare doped CuCI glass ceramics and systematically study its optical properties and nonlinear optical properties are not many reports

Method used

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preparation example Construction

[0025] A method for preparing silica glass, comprising the steps of:

[0026] Use ethyl orthosilicate, boric acid, and sodium ethylate as precursors;

[0027] Using ethanol, ethylene glycol methyl ether, and ethanol as the precursor solution respectively;

[0028] Using different concentrations of hydrochloric acid as a catalyst;

[0029] Adopting hydrochloric acid solutions of different concentrations to be copper chloride as a precursor solvent;

[0030] Drying the sodium borosilicate sol doped with cupric chloride into dry sol by high-temperature thermal saturation method;

[0031] The dry sol is sintered in a muffle furnace under a high-temperature nitrogen atmosphere to obtain silica glass.

Embodiment 1

[0033] Fully mix and dissolve 1L ethyl orthosilicate, 1L boric acid, and 1L sodium ethoxide as a precursor; uniformly mix 1L ethanol, 2L ethylene glycol methyl ether, and 0.05L ethanol as a precursor solution; use volume fraction 30% hydrochloric acid as a catalyst; using different concentrations of hydrochloric acid solutions as copper chloride as a precursor solvent; drying sodium borosilicate sol doped with copper chloride at a high temperature of 800 ° C by a thermal saturation method to form a dry sol; The dry sol is sintered in a muffle furnace at a high temperature of 1000°C in a nitrogen atmosphere to obtain silica glass.

Embodiment 2

[0035] Fully mix and dissolve 1L tetraethyl orthosilicate, 2L boric acid, and 1L sodium ethoxide as a precursor; uniformly mix 1L ethanol, 2L ethylene glycol methyl ether, and 0.1L ethanol as a precursor solution; use volume fraction 35% hydrochloric acid as a catalyst; using different concentrations of hydrochloric acid solutions as copper chloride as a precursor solvent; drying sodium borosilicate sol doped with copper chloride at a high temperature of 900 ° C by a thermal saturation method to form a dry sol; The dry sol was sintered in a muffle furnace at a high temperature of 1100°C under a nitrogen atmosphere to obtain silica glass.

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Abstract

The invention relates to a silica glass preparation method comprising the following steps: tetraethoxysilane, boric acid and sodium ethoxide are adopted as precursors; ethanol, ethylene glycol monomethyl ether and ethanol are adopted as precursor solutions; hydrochloric acid with different concentrations are adopted as catalysts; hydrochloric acid solutions with different concentrations are adopted as precursor solvents of copper chloride; copper-chloride-doped sodium borosilicate sol is dried into dried sol with a high-temperature thermal saturation method; and the dried sol is sintered under a high-temperature nitrogen atmosphere in a Muffle furnace, such that silica glass is obtained. The method provided by the invention is simple, and has low cost. The obtained silica glass has the advantages of stable performance, good optical quality, and high hardness.

Description

technical field [0001] The invention relates to the technical field of semiconductor preparation, in particular to a method for preparing silicon glass. Background technique [0002] In recent years, research on the optical and nonlinear optical properties of semiconductor-doped quantum dot glass materials has aroused great interest. People have studied CuCl in sols, polymers, crystals (such as NaCl and MgO, etc.) and glasses. The optical properties were studied in detail. It is already clear that the semiconductor crystallites dispersed in the glass matrix are mainly three-dimensionally confined, and the glass matrix actually acts as a deep confinement potential well, which leads to a large optical nonlinearity that makes these materials in the Many fields have important application prospects, such as optical computing, optical signal processing, and optical switches. Quantum dot glass materials doped with CuCl crystallites are one of the more typical heterogeneous nonline...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03B8/02
Inventor 周祖渝
Owner CHONGQING XUXING CHEM