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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, which is not conducive to device miniaturization, thus limiting the application of barium strontium titanate ceramics

Method used

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

Examples

Experimental program
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Effect test

Embodiment 1

[0034] Step 1, prepare ethylene glycol solution: weigh 0.776g C 2 h 6 o 2 Add 20mL deionized water to the beaker, and stir for 10min with a magnetic stirrer to obtain an ethylene glycol solution;

[0035] Step 2, prepare mixed solution: weigh 6.137g BaCl 2 Add 20mL deionized water into the beaker, stir for 10min with a magnetic stirrer, and weigh 4.279g ZrOCl 2 , using a magnetic stirrer to stir for 10 minutes to obtain a mixed solution;

[0036] Step 3, prepare titanium salt solution: measure 4.25mL C 16 h 36 o 4Put Ti in a beaker and add 10mL of absolute ethanol, and stir for 10min with a magnetic stirrer to obtain a titanium salt solution;

[0037] Step 4, preparing an alkaline solution: Weigh 12.5g of NaOH powder, add the weighed NaOH powder to 20mL deionized water in 5 times, and stir for 10min with a magnetic stirrer to obtain an alkaline solution;

[0038] Step 5, preparing the precursor solution: add the mixed solution obtained in step 2, the titanium salt solu...

Embodiment 2

[0042] Step 1, prepare ethylene glycol solution: weigh 1.552g C 2 h 6 o 2 Add 20mL deionized water to the beaker, and stir for 10min with a magnetic stirrer to obtain an ethylene glycol solution;

[0043] Step 2, prepare mixed solution: weigh 12.275g BaCl 2 Add 40mL deionized water into the beaker, stir for 20min with a magnetic stirrer, and weigh 8.557g ZrOCl 2 , using a magnetic stirrer to stir for 20 minutes to obtain a mixed solution;

[0044] Step 3, prepare titanium salt solution: measure 8.5mL C 16 h 36 o 4 Put Ti into a beaker and add 10mL of absolute ethanol, and stir for 20min with a magnetic stirrer to obtain a titanium salt solution;

[0045] Step 4, preparing an alkaline solution: Weigh 25g of NaOH powder, add the weighed NaOH powder into 40mL deionized water in 8 times, and stir for 20min with a magnetic stirrer to obtain an alkaline solution;

[0046] Step 5, preparing the precursor solution: add the mixed solution obtained in step 2, the titanium salt s...

Embodiment 3

[0050] Step 1, prepare ethylene glycol solution: weigh 3.104g C 2 h 6 o 2 Add 20mL deionized water to the beaker, and stir for 10min with a magnetic stirrer to obtain an ethylene glycol solution;

[0051] Step 2, prepare mixed solution: weigh 24.549g BaCl 2 Add 80mL deionized water to the beaker, stir for 30min with a magnetic stirrer, and weigh 17.114g ZrOCl 2 , using a magnetic stirrer to stir for 30 minutes to obtain a mixed solution;

[0052] Step 3, prepare titanium salt solution: measure 17mL C 16 h 36 o 4 Put Ti in a beaker and add 10mL of absolute ethanol, and stir for 30min with a magnetic stirrer to obtain a titanium salt solution;

[0053] Step 4, preparing an alkaline solution: Weigh 50g of NaOH powder, add the weighed NaOH powder into 80mL deionized water 10 times, and stir for 30min with a magnetic stirrer to obtain an alkaline solution;

[0054] Step 5, preparing the precursor solution: add the mixed solution obtained in step 2, the titanium salt solutio...

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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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