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Cerium oxide-doped photosensitizer suitable for photosensitive microcrystalline glass as well as preparation method and application of cerium oxide-doped photosensitizer

A technology of glass-ceramics and cerium oxide, which is applied in chemical instruments and methods, preparation/treatment of cerium oxide/cerium hydroxide, rare earth metal compounds, etc., can solve the problems of low exposure efficiency and quality of photosensitive glass-ceramics, and achieve Improve nucleation efficiency and exposure quality, good application prospects, and short preparation process cycle

Active Publication Date: 2022-03-04
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008]The mismatch between the absorption peak of the photosensitizer CeO2 existing in the existing photosensitive glass-ceramic and the wavelength band of the industrial exposure light source leads to The exposure efficiency of glass and the problem of low quality, the object of the present invention aims to provide a kind of doped cerium oxide photosensitizer suitable for photosensitive glass-ceramic and its preparation method and application, by self-propagating combustion method to photosensitizer CeO2Doping modification, improving its light absorption performance and moving its absorption peak, so that its absorption peak matches the existing light source, thereby improving the nucleation efficiency and exposure quality of photosensitive glass-ceramics

Method used

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  • Cerium oxide-doped photosensitizer suitable for photosensitive microcrystalline glass as well as preparation method and application of cerium oxide-doped photosensitizer
  • Cerium oxide-doped photosensitizer suitable for photosensitive microcrystalline glass as well as preparation method and application of cerium oxide-doped photosensitizer
  • Cerium oxide-doped photosensitizer suitable for photosensitive microcrystalline glass as well as preparation method and application of cerium oxide-doped photosensitizer

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Embodiment 1

[0035] The present embodiment utilizes the citric acid-nitrate self-propagating combustion method to prepare the chemical formula Ce 0.95 W 0.05 o 2 (i.e. x=0.05) represents the doped cerium oxide photosensitizer applicable to photosensitive glass-ceramics, specifically comprising the following steps:

[0036] (1) Ingredients: with Ce(NO 3 ) 3 ·6H 2 O, (NH 4 ) 6 h 2 W 12 o 40 ·xH 2 O and citric acid are raw materials, according to the chemical formula Ce 0.95 W 0.05 o 2 The determined chemical formula is used to weigh the ingredients, and the molar ratio of metal ions to organic fuel is 1:1.5;

[0037] (2) Dissolution: 0.0285mol Ce(NO 3 ) 3 ·6H 2 O dissolved in deionized water, 0.000125mol (NH 4 ) 6 h 2 W 12 o 40 ·xH 2 O is dissolved in 15ml of nitric acid with a concentration of 14.4-15.2mol / L, and then the two solutions are mixed to form a mixed solution;

[0038] (3) Preparation of precursor solution: Add 0.045mol citric acid into the mixed solution a...

Embodiment 2

[0043] The present embodiment utilizes the citric acid-nitrate self-propagating combustion method to prepare the chemical formula Ce 0.9 W 0.1 o 2 The doped cerium oxide photosensitizer applicable to photosensitive glass-ceramics represented by (i.e. x=0.1) specifically comprises the following steps:

[0044] (1) Ingredients: with Ce(NO 3 ) 3 ·6H 2 O, (NH 4 ) 6 h 2 W 12 o 40 ·xH 2 O and citric acid are raw materials, according to the chemical formula Ce 0.9 W 0.1 o 2 The determined chemical formula is used to weigh the ingredients, and the molar ratio of metal ions to organic fuel is 1:1.5;

[0045] (2) Dissolution: 0.027mol Ce(NO 3 ) 3 ·6H 2 O dissolved in deionized water, 0.00025mol (NH 4 ) 6 h 2 W 12 o 40 ·xH 2 O is dissolved in 15ml of nitric acid with a concentration of 14.4-15.2mol / L, and then the two solutions are mixed to form a mixed solution;

[0046] (3) Preparation of precursor solution: Add 0.045mol citric acid into the mixed solution and st...

Embodiment 3

[0051] The present embodiment utilizes the citric acid-nitrate self-propagating combustion method to prepare the chemical formula Ce 0.85 W 0.15 o 2 (i.e. x=0.15) represents a doped cerium oxide photosensitizer suitable for photosensitive glass-ceramics, specifically comprising the following steps:

[0052] (1) Ingredients: with Ce(NO 3 ) 3 ·6H 2 O, (NH 4 ) 6 h 2 W 12 o 40 ·xH 2 O and citric acid are raw materials, according to the chemical formula Ce 0.85 W 0.15 o 2 The determined chemical formula is used to weigh the ingredients, and the molar ratio of metal ions to organic fuel is 1:1.5;

[0053] (2) Dissolution: 0.0255mol Ce(NO 3 ) 3 ·6H 2 O dissolved in deionized water, 0.000375mol (NH 4 ) 6 h 2 W 12 o 40 ·xH 2 O is dissolved in 15ml of nitric acid with a concentration of 14.4-15.2mol / L, and then the two solutions are mixed to form a mixed solution;

[0054] (3) Preparation of precursor solution: Add 0.045mol citric acid into the mixed solution and ...

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Abstract

The invention discloses a doped cerium oxide photosensitizer suitable for photosensitive microcrystalline glass and a preparation method and application thereof, the doped cerium oxide photosensitizer is represented by a general formula Ce < 1-x > W < x > O < 2 >, and in the general formula, x is equal to 0.05-0.25. The catalyst is prepared by taking cerium nitrate, ammonium metatungstate hydrate and organic fuel as raw materials and adopting a sol-gel self-propagating combustion method. According to the cerium oxide doped photosensitizer provided by the invention, W ion doping is carried out on the existing photosensitizer CeO2, so that the light absorption performance of the photosensitizer CeO2 is improved, and the absorption peak of the photosensitizer CeO2 is moved, so that the absorption peak of the photosensitizer CeO2 is matched with the existing light source, and the nucleation efficiency and the exposure quality of photosensitive microcrystalline glass are improved.

Description

technical field [0001] The invention belongs to the technical field of photosensitive glass-ceramics, and relates to a photosensitizer, in particular to a cerium oxide-doped photosensitizer suitable for photosensitive glass-ceramics, a preparation method and an application thereof. Background technique [0002] With the rapid development of the electronics industry, a new type of material - Li 2 O-Al 2 o 3 -SiO 2 Photosensitive glass-ceramics has gradually entered people's field of vision. Photosensitive glass-ceramics has the advantages of high strength and good dielectric properties, and can be processed into thin sheets of various shapes. Its excellent mechanical and electrical properties make it have great application potential in the electronics industry. Relatively low dielectric constant and dielectric loss as well as low cost make photosensitive glass-ceramic is expected to replace silicon materials, widely used in integrated circuits, biomedicine, aerospace and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K11/77C01F17/235C01F17/10C03C4/04C03C10/00
CPCC09K11/7715C01F17/235C01F17/10C03C4/04C03C10/00C01P2002/54C01P2002/72C01P2002/85C01P2002/84
Inventor 霍伟荣樊睿于天来罗汝佳王万彬胡斌林彬
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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