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A kind of preparation method of calcium germanate nanosheet

A technology of nanosheets and calcium germanate, which is applied in the direction of nanotechnology, nanotechnology, chemical instruments and methods, etc., can solve the problems of low product purity, uncontrollable, complex preparation process of calcium germanate nanomaterials, etc., and achieve good application prospects , the effect of increasing the fluorescence intensity

Active Publication Date: 2017-05-03
黑龙江省工研院资产经营管理有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to solve the technical problems that the current preparation process of calcium germanate nanomaterials is complex, uncontrollable, low in output, low in product purity and unable to realize the preparation of nanosheet structures, and provides a preparation method of calcium germanate nanosheets

Method used

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  • A kind of preparation method of calcium germanate nanosheet
  • A kind of preparation method of calcium germanate nanosheet
  • A kind of preparation method of calcium germanate nanosheet

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specific Embodiment approach 1

[0020] Specific embodiment one: the preparation method of a kind of calcium germanate nanosheet of this embodiment is specifically carried out according to the following steps:

[0021] 1. Take the metal foam substrate, cut the metal foam substrate into discs with a diameter of 13-18cm, then perform ultrasonic cleaning and drying;

[0022] 2. Combine 1~4mmol Ca source compound and 3.5~14mmol GeO 2 Mix, add 30-60mL ultrapure water and magnetically stir for 1-3 hours to obtain a hydrothermal precursor;

[0023] 3. Put the hydrothermal precursor liquid obtained in step 2 into the hydrothermal kettle, then put the metal foam substrate treated in step 1 into the hydrothermal kettle, and then put the hydrothermal kettle into the oven to control the temperature at 160-200 ℃, hydrothermal reaction 16~21h;

[0024] 4. Take out the hydrothermal kettle treated in step 3, and then take out the metal foam substrate loaded with the white product in the hydrothermal kettle, remove the whit...

specific Embodiment approach 2

[0025] Embodiment 2: This embodiment differs from Embodiment 1 in that: in step 1, the metal foam substrate is a nickel foam substrate, a copper foam substrate or an aluminum foam substrate. Others are the same as in the first embodiment.

specific Embodiment approach 3

[0026] Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that the ultrasonic cleaning process in step 1 is: sequentially use acetone, alcohol cleaning agent and ultrapure water to ultrasonically clean for 18-25 minutes respectively; Ultrasonic cleaning with methyl chloride, alcohol cleaning agent and ultrapure water for 18-25 minutes; or using chloroform, alcohol cleaning agent and ultrapure water for 18-25 minutes; Ethanol, isopropanol or n-butanol. Others are the same as in the first or second embodiment.

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Abstract

The invention provides a preparation method of a CaGeO3 nanosheet. The invention aims at solving problems of a CaGeO3 nano-material in the prior art that preparation technology is complex, the preparation technology cannot be controlled, output is low, purity of the product is low, and solving the technical problems that nanosheet structure preparation cannot be realized. The method comprises the following steps: 1, a foam metal substrate is processed; 2, a hydro-thermal precursor solution is prepared; 3, a hydro-thermal synthesis is carried out in order to obtain the CaGeO3 nanosheet; 4. the CaGeO3 nanosheet is processed. The hydro-thermal synthesis method is used, and the nanosheet structure whose specific surface area is large than the specific surface area of a nano wire is prepared for the first time; the nanosheet has good application prospects in the aspects of nanometer optical devices, electronic devices, electrochemical sensors, transistors, and the like; the CaGeO3 nanosheet structure fills the international blank of CaGeO3 nanosheet preparation, and an important instructive effects are provided for realizing industrialized production. The method is used for preparing CaGeO3 nanosheets.

Description

technical field [0001] The invention relates to a preparation method of calcium germanate nanosheets. Background technique [0002] Germanate is widely used in electrochemical sensors, optical devices, electronic devices, photoelectric devices, photocatalysis and other fields, and has attracted extensive attention from the scientific community in recent years. For example, lead germanate single crystal has ferroelectricity and electro-optical rotation effect and is considered to be an excellent pyroelectric detector material. Zinc germanate is recognized as an ideal material for electroluminescence and field emission displays. Copper germanate is a An inorganic solid-state material with spin-Pells phase transition, and calcium germanate is a material with good optical properties and spintronic properties, and has good application prospects in optics, transistors and other fields. It is cheap, non-polluting to the environment, and has potential application prospects. [000...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01G17/00B82Y30/00B82Y40/00
CPCB82Y30/00B82Y40/00C01G17/00C01P2004/03C01P2004/64
Inventor 赵九蓬刘旭松李垚
Owner 黑龙江省工研院资产经营管理有限公司