CN111392765A - Process for preparing ZnO nano-particles by hydrothermal method - Google Patents
Process for preparing ZnO nano-particles by hydrothermal method Download PDFInfo
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- CN111392765A CN111392765A CN202010379525.6A CN202010379525A CN111392765A CN 111392765 A CN111392765 A CN 111392765A CN 202010379525 A CN202010379525 A CN 202010379525A CN 111392765 A CN111392765 A CN 111392765A
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- 239000002105 nanoparticle Substances 0.000 title claims abstract description 22
- 238000001027 hydrothermal synthesis Methods 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title description 5
- 239000011701 zinc Substances 0.000 claims abstract description 30
- 239000002245 particle Substances 0.000 claims abstract description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000003756 stirring Methods 0.000 claims abstract description 14
- 230000032683 aging Effects 0.000 claims abstract description 13
- 238000005303 weighing Methods 0.000 claims abstract description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 abstract description 8
- 239000000243 solution Substances 0.000 description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000012528 membrane Substances 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G9/00—Compounds of zinc
- C01G9/02—Oxides; Hydroxides
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
A process method for preparing ZnO nano particles by a hydrothermal method. Firstly, weighing 10-1000g (Zn (CH) on an electronic balance3COO)22H20), dissolving in 15-35ml absolute ethanol, stirring at 50-70 deg.C for 50-70min to form Zn2+ transparent homogeneous zinc solution of 0.6-1.0 mol/L concentration, and final stilling ageing in air for 20-28 hr to prepare hydrothermal grown nanometer particle.
Description
The technical field is as follows:
the invention relates to a process method for preparing ZnO nanoparticles by a hydrothermal method.
Background art:
the ZnO nano particle membrane switch has the characteristics of simple structure, attractive and flat appearance, light and thin finished product, good sealing effect, light touch connection, long service life and the like, overcomes the problems that the traditional membrane switch cannot be waterproof and dustproof, an internal circuit is easy to oxidize and the like, and is widely applied to computers, aerospace, communication, industrial equipment, office equipment and the like.
The invention content is as follows:
the invention aims to provide a process method for preparing ZnO nanoparticles by a hydrothermal method, which can realize rapid production and improve the production efficiency.
The above purpose is realized by the following technical scheme:
a hydrothermal process for preparing ZnO nanoparticles includes weighing (by weight) 10-1000g (Zn (CH) on electronic balance3COO)22H20), dissolving in 15-35ml absolute ethanol, stirring at 50-70 deg.C for 50-70min to form Zn2+ 0.6-1.0 mol/L transparent homogeneous zinc solution, and final stilling in airAging for 20-28h to prepare the hydrothermal growing nano particles.
The hydrothermal process for preparing ZnO nanoparticles comprises weighing 500g (Zn (CH) on an electronic balance3COO)22H20) dissolved in 25 ml absolute ethanol, forming Zn after sufficient stirring at 60 ℃ for 60 min2+ 0.8 mol/L concentration, and final ageing in air for 24 hr for hydrothermal growth of nanometer particle.
The hydrothermal process for preparing ZnO nanoparticles comprises weighing 300g (Zn (CH) on an electronic balance3COO)22H20) dissolved in 15 ml absolute ethanol, forming Zn after 50 min intensive stirring at 50 ℃2+ 0.6 mol/L transparent homogeneous zinc solution, and final ageing in air for 20 hr for hydrothermal growth of nanometer particle.
The hydrothermal process for preparing ZnO nanoparticles comprises weighing 100g (Zn (CH) on an electronic balance3COO)22H20) dissolved in 35ml of absolute ethanol, and after thorough stirring at 70 ℃ for 70min, Zn is formed2+ 1.0 mol/L concentration, and final standing in air for ageing for 28 hr for hydrothermal growth of nanometer particle.
Has the advantages that:
1. the film switch mainly comprises a ZnO nano particle film, a conductive silver paste circuit layer, an insulating ink layer and the like, wherein the circuit of the film switch is formed by printing a conductive silver paste circuit and has the function of serving as a transmission medium of an electric signal, and the distribution uniformity of the conductive silver paste layer directly influences the resistance characteristic of the conductive silver paste layer, so that the film switch can be produced quickly, and the production efficiency is improved; the light-cured insulating ink is tried to be used, so that the color difference of a finished product caused by hot air interference during the heat curing of an oven is avoided; proper process parameters are selected, so that the uniform thickness, the resistance matching and the small sawtooth edge effect of the conductive silver paste circuit are ensured.
Description of the drawings:
FIG. 1 is a schematic diagram of a process flow for preparing ZnO nanoparticles by a hydrothermal method.
The specific implementation mode is as follows:
the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention.
Example 1:
a hydrothermal process for preparing ZnO nanoparticles includes weighing (by weight) 10-1000g (Zn (CH) on electronic balance3COO)22H20), dissolving in 15-35ml absolute ethanol, stirring at 50-70 deg.C for 50-70min to form Zn2+ 0.6-1.0 mol/L transparent homogeneous zinc solution, and final ageing in air for 20-28 hr for hydrothermal growth of nanometer particle.
Example 2:
in the hydrothermal method for preparing ZnO nanoparticles described in example 1, 500g (Zn (CH) was weighed on an electronic balance3COO)22H20) dissolved in 25 ml absolute ethanol, forming Zn after sufficient stirring at 60 ℃ for 60 min2+ 0.8 mol/L concentration, and final ageing in air for 24 hr for hydrothermal growth of nanometer particle.
Example 3:
in the hydrothermal method for preparing ZnO nanoparticles described in example 1, first, 300g (Zn (CH) is weighed on an electronic balance3COO)22H20) dissolved in 15 ml absolute ethanol, forming Zn after 50 min intensive stirring at 50 ℃2+ 0.6 mol/L transparent homogeneous zinc solution, and final ageing in air for 20 hr for hydrothermal growth of nanometer particle.
Example 4:
the hydrothermal method for preparing ZnO nanoparticles as described in example 1 comprises weighing 700g (Zn (CH) on an electronic balance3COO)22H20) dissolved in 35ml of absolute ethanol, and after thorough stirring at 70 ℃ for 70min, Zn is formed2+ 1.0 mol/L concentration, and final standing in air for ageing for 28 hr for hydrothermal growth of nanometer particle.
Example 5:
the hydrothermal process of preparing nanometer ZnO particle includes taking 5ml ZnO sol 0.8 mol/L with micropipette, taking 0.2 ml 0.5 mol/L, dropping 1 NaOH solution slowly into ZnO sol, forming milky flocculent precipitate, transferring the mixed solution into reactor, covering and sealing, heating in 80 deg.C constant temperature water bath for 24 hr, forming ZnO nanometer particle with size closely related to growth temperature and growth time, fast nucleation and growth of ZnO particle under Zn2+ excess condition (1 → 2), slow nucleation and growth of ZnO particle under OH excess condition (1 → 3 → 4), cooling to room temperature, centrifuging to obtain white organic matter, and drying in ultrasonic oven to obtain white organic matter.
Claims (5)
1. A hydrothermal process for preparing ZnO nanoparticles includes such steps as weighing (10-1000 g) Zn (CH) on electronic balance3COO)22H20), dissolving in 15-35ml absolute ethanol, stirring at 50-70 deg.C for 50-70min to form Zn2+ 0.6-1.0 mol/L transparent homogeneous zinc solution, and final ageing in air for 20-28 hr for hydrothermal growth of nanometer particle.
2. The hydrothermal process for preparing ZnO nanoparticles of claim 1, wherein 500g (Zn (CH) is first weighed on an electronic balance3COO)2．2H20)，Dissolving in 25 ml anhydrous ethanol, stirring at 60 deg.C for 60 min to form Zn2+ 0.8 mol/L concentration, and final ageing in air for 24 hr for hydrothermal growth of nanometer particle.
3. The hydrothermal process for preparing ZnO nanoparticles of claim 1, wherein 300g (Zn (CH) is first weighed on an electronic balance3COO)22H20) dissolved in 15 ml of absolute ethanol, and after stirring well at 50 ℃ for 50 min, Zn is formed2+ 0.6 mol/L transparent homogeneous zinc solution, and final ageing in air for 20 hr for hydrothermal growth of nanometer particle.
4. The hydrothermal process for preparing ZnO nanoparticles of claim 1, wherein 100g (Zn (CH) is first weighed on an electronic balance3COO)22H20) dissolved in 35ml of absolute ethanol, and after stirring thoroughly at 70 ℃ for 70min, Zn is formed2+ 1.0 mol/L concentration, and final standing in air for ageing for 28 hr for hydrothermal growth of nanometer particle.
5. The hydrothermal process for preparing ZnO nanoparticles of claim 1, wherein 700g (Zn (CH) is first weighed on an electronic balance3COO)22H20) dissolved in 35ml of absolute ethanol, and after stirring thoroughly at 70 ℃ for 70min, Zn is formed2+ 1.0 mol/L concentration, and final standing in air for ageing for 28 hr for hydrothermal growth of nanometer particle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010379525.6A CN111392765A (en) | 2020-05-08 | 2020-05-08 | Process for preparing ZnO nano-particles by hydrothermal method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010379525.6A CN111392765A (en) | 2020-05-08 | 2020-05-08 | Process for preparing ZnO nano-particles by hydrothermal method |
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| CN111392765A true CN111392765A (en) | 2020-07-10 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1565977A (en) * | 2003-07-08 | 2005-01-19 | 中国科学院过程工程研究所 | Process for preparing nano zinc oxide |
| CN101274775A (en) * | 2008-05-21 | 2008-10-01 | 中国科学院长春应用化学研究所 | High-conductivity aluminum-doping zinc oxide nanometer noodles powder and preparation thereof |
| CN101734709A (en) * | 2008-11-12 | 2010-06-16 | 中国科学院宁波材料技术与工程研究所 | Controllable method for preparing nano zinc oxide powder |
| US20120164434A1 (en) * | 2009-06-02 | 2012-06-28 | Senthil Kumar Ramadas | Multilayer barrier film |
| CN105540640A (en) * | 2016-01-26 | 2016-05-04 | 东北林业大学 | Preparation method of flower-shaped nanometer zinc oxide |
-
2020
- 2020-05-08 CN CN202010379525.6A patent/CN111392765A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1565977A (en) * | 2003-07-08 | 2005-01-19 | 中国科学院过程工程研究所 | Process for preparing nano zinc oxide |
| CN101274775A (en) * | 2008-05-21 | 2008-10-01 | 中国科学院长春应用化学研究所 | High-conductivity aluminum-doping zinc oxide nanometer noodles powder and preparation thereof |
| CN101734709A (en) * | 2008-11-12 | 2010-06-16 | 中国科学院宁波材料技术与工程研究所 | Controllable method for preparing nano zinc oxide powder |
| US20120164434A1 (en) * | 2009-06-02 | 2012-06-28 | Senthil Kumar Ramadas | Multilayer barrier film |
| CN105540640A (en) * | 2016-01-26 | 2016-05-04 | 东北林业大学 | Preparation method of flower-shaped nanometer zinc oxide |
Non-Patent Citations (3)
| Title |
|---|
| SHWETA JAGTAP ET AL.: ""Evaluation of ZnO nanoparticles and study of ZnO–TiO2 composites for lead freehumidity sensors"", 《SENSORS AND ACTUATORS B: CHEMICAL》 * |
| 孙健等: ""PEG软模板水热合成纳米氧化锌粉的研究"", 《陶瓷学报》 * |
| 曹忠良等: "《无机化学反应方程式手册》", 30 June 1986, 长沙：湖南科学技术出版社 * |
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