Method for preparing mesoporous barium zirconate titanate ceramic nanoparticles

A barium zirconate titanate and nanoparticle technology, applied in the direction of nanotechnology, can solve the problems of unfavorable device miniaturization and easy breakdown, and achieve the effect of simple repeatability, low cost, and promotion of commercialization

Active Publication Date: 2022-04-12
XIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Barium strontium titanate ceramics are prone to breakdown under the action of an external DC electric field, whic

Method used

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  • Method for preparing mesoporous barium zirconate titanate ceramic nanoparticles
  • Method for preparing mesoporous barium zirconate titanate ceramic nanoparticles
  • Method for preparing mesoporous barium zirconate titanate ceramic nanoparticles

Examples

Experimental program
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Example Embodiment

[0033] Example 1:

[0034] Step 1, formulated a meta glycol solution: weigh 0.776 g of C 2 Hide 6 O 2 In the beaker and 20 ml of deionized water, the mixture was stirred for 10 min, and the ethylene glycol solution was obtained;

[0035] Step 2, formulate a mixed solution: weigh 6.137G bacl 2 In the beaker and 20 ml of deionized water, the mixer was stirred with a magnetic mixer for 10 min, and 4.279 g of ZroCl was added. 2 The mixture was stirred with a magnetic mixer for 10 min to give a mixed solution;

[0036] Step 3, formulated a titanium salt solution: quantify 4.25 ml C 16 Hide 36 O 4Ti is added to the beaker and 10 ml of anhydrous ethanol is added, and the mixer is stirred with a magnetic mixer for 10 min to give a titanium salt solution;

[0037] Step 4, a basic solution is prepared: 12.5 g of NaOH powder, which will be added to 20 ml of deionized water at a given NaOH powder, and the mixer is stirred for 10 min to obtain an alkaline solution;

[0038] Step 5, prepare the...

Example Embodiment

[0041] Example 2:

[0042] Step 1, formulate a meta glycol solution: Weigh 1.552g C 2 Hide 6 O 2 In the beaker and 20 ml of deionized water, the mixture was stirred for 10 min, and the ethylene glycol solution was obtained;

[0043] Step 2, formulate a mixed solution: Weigh 12.275G bacl 2 40 ml of deionized water was added in the beaker, and the magnetic mixer was stirred for 20 min, and another 8.557 g of ZroCl 2 The mixture was stirred with a magnetic mixer for 20 min to give a mixed solution;

[0044] Step 3, formulated a titanium salt solution: quantify 8.5ml C 16 Hide 36 O 4 Ti is added to the beaker and 10 ml of anhydrous ethanol is added, and the magnetic mixer is stirred for 20 min to give a titanium salt solution;

[0045] Step 4, formulated a basic solution: Tighted 25 g of NaOH powder, and the weighed NaOH powder was added 8 times to 40 ml of deionized water, and the magnetic mixer was stirred for 20 min to give an alkaline solution;

[0046] Step 5, prepare the predece...

Example Embodiment

[0049] Example 3:

[0050] Step 1, formulated a meta glycol solution: 3.104 g of C 2 Hide 6 O 2 In the beaker and 20 ml of deionized water, the mixture was stirred for 10 min, and the ethylene glycol solution was obtained;

[0051] Step 2, formulate a mixed solution: Weigh 24.549G Bacl 2 In the beaker and 80 ml of deionized water, the mixer was stirred for 30 min, and 17.114 g of ZroCl was added. 2 The mixture was stirred for 30 min using a magnetic mixer to give a mixed solution;

[0052] Step 3, formulated a titanium salt solution: measure 17ml C 16 Hide 36 O 4 Ti is added to the beaker and 10 ml of anhydrous ethanol is added, and the mixer is stirred with a magnetic mixer for 30 min to give a titanium salt solution;

[0053] Step 4, a basic solution: 10 g of NaOH powder, the weighing NaOH powder is added 10 times to 80 mL of deionized water, and the mixer is stirred for 30 min to obtain an alkaline solution;

[0054] Step 5, prepare the predecessor solution: The mixed solution ...

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Abstract

The invention discloses a method for preparing mesoporous barium zirconate titanate ceramic nanoparticles, and belongs to the technical field of electronic ceramic materials. According to the method, barium chloride (BaCl2) is adopted as a barium salt, zirconium oxychloride (ZrOCl2) is adopted as a zirconium source, butyl titanate (C16H36O4Ti) is adopted as a titanium source, ethylene glycol (C2H6O2) is adopted as a reaction chelating agent, under the high-concentration alkaline condition, the crystal growth speed is controlled through a rotary evaporation reaction, and the mesoporous barium zirconate titanate nanometer material is successfully prepared. In the synthesis process, common inorganic salts and simple reagents are taken as main components, so that the method is low in cost, simple, feasible, good in repeatability and suitable for large-scale production, and the commercialization process of electronic ceramic materials can be promoted.

Description

technical field [0001] The invention belongs to the technical field of electronic ceramic materials, and in particular relates to a method for preparing mesoporous barium zirconate titanate ceramic nanoparticles, and a method for preparing barium zirconate titanate nanomaterials by using a rotary evaporation method. Background technique [0002] With the continuous advancement of science and technology and the rapid development of the microelectronics industry, higher requirements and challenges have been put forward for the manufacture and use of electronic devices. Ceramic capacitors play an important role in microelectronic devices due to their advantages of high temperature resistance, corrosion resistance, and high dielectric constant. [0003] Barium titanate-based ceramics are known as the pillars of the electronics industry, and researchers have used them in a wider temperature range by doping and modifying them. Barium titanate-based materials are widely used in va...

Claims

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Application Information

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IPC IPC(8): C04B35/49C04B35/626B82Y40/00
Inventor 焦华周雪蕊赵康汤玉斐白嘉瑜杨文都
Owner XIAN UNIV OF TECH
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