CN108610489B - Preparation method of nano material based on metal organic framework material and with different dimensions - Google Patents
Preparation method of nano material based on metal organic framework material and with different dimensions Download PDFInfo
- Publication number
- CN108610489B CN108610489B CN201810641121.2A CN201810641121A CN108610489B CN 108610489 B CN108610489 B CN 108610489B CN 201810641121 A CN201810641121 A CN 201810641121A CN 108610489 B CN108610489 B CN 108610489B
- Authority
- CN
- China
- Prior art keywords
- btc
- organic framework
- metal organic
- solution
- different dimensions
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G83/00—Macromolecular compounds not provided for in groups C08G2/00 - C08G81/00
- C08G83/008—Supramolecular polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
Abstract
The application discloses a preparation method of nano materials with different dimensions based on a metal organic framework material, and belongs to the field of nano material preparation. The method firstly prepares the metal organic framework Cu 3 (BTC) 2 The material is then subjected to the metal organic framework Cu 3 (BTC) 2 The material is corroded by ammonia water solutions with different pH values, and the nano material of nanowires, nanoplatelets and nanoparticles is obtained. The application forms nano materials with different dimensions in an in-situ self-assembly mode under the interaction of the metal organic frame material and ammonia water, thereby breaking through the prior methods such as mechanical stripping method, chemical deposition method and the like, and the method has the characteristics of simple operation, high product quality, mild condition, short preparation period, suitability for large-scale production and the like.
Description
Technical Field
The application belongs to the field of nano material preparation, and particularly relates to a preparation method of nano materials with different dimensions based on a metal organic framework material.
Background
Cu 3 (BTC) 2 Is a MOF material, has larger application in the aspects of catalytic oxidation, gas adsorption and separation, sensors, magnetic materials, optical materials and the like due to the controllable pore structure, the ultrahigh specific surface area, excellent catalysis, adsorption and other characteristics, thus Cu 3 (BTC) 2 Materials have gained relatively extensive attention. Because the excellent properties possessed by MOFs material have close relationship with the morphology structure of the MOFs material, the current hot spot of the morphology of the MOFs material is changedProblems. The current report of forming low-dimensional MOFs is rare, and the low-dimensional nano materials related to the MOFs are generally controlled in the synthesis process, but the method has too many influence factors on morphology regulation, so that the expected low-dimensional materials are rarely obtained. More importantly, the nano materials with different dimensions cannot be formed continuously by the method, and the yield is low. Therefore, the formation of low-dimensional nanomaterials based on MOFs materials is rarely reported. The current formation of low-dimensional nanomaterials based on MOFs materials remains a difficulty and hotspot in this industry.
The application uses ammonia water and metal organic framework Cu 3 (BTC) 2 The interaction of materials is used for preparing nano materials with different dimensions, and more importantly, the method can lead the metal organic framework Cu to be 3 (BTC) 2 The material realizes continuous change of the low-dimensional nano material. The low-dimensional nano material formed by the method has not been reported yet, and the method has the characteristics of simple operation, high product quality, mild condition, short preparation period, suitability for large-scale production and the like.
Disclosure of Invention
The application aims to overcome the defects of the prior art and provide a Cu-based metal-organic framework 3 (BTC) 2 A method for preparing nano materials with different dimensions. By metal organic frameworks Cu 3 (BTC) 2 The interaction of the material and ammonia water realizes in-situ synthesis of nano materials with different dimensions, and the method has the characteristics of simple operation, high product quality, mild condition, short preparation period, suitability for large-scale production and the like.
In order to achieve the aim of the application, the application adopts the following technical scheme:
cu based on metal organic frame 3 (BTC) 2 Nanomaterial of different dimensions of the material, including nanowires, nanoplatelets, and nanoparticle materials.
The metal-organic framework Cu 3 (BTC) 2 The preparation method of the nano material with different dimensions of the material specifically comprises the following steps:
(1) Cu (NO) 3 ) 2 ·3H 2 O is dissolved in deionized water, and Cu (NO) is formed after stirring 3 ) 2 A solution; meanwhile, dissolving trimesic acid into ethanol, and stirring to form trimesic acid solution; slowly pouring the uniformly stirred trimesic acid solution into the uniformly stirred Cu (NO) 3 ) 2 Stirring the solution to form a mixed solution; filling the obtained mixed solution into a hydrothermal kettle for hydrothermal reaction; centrifuging, washing and drying the obtained blue precipitate after the reaction to obtain the metal organic framework Cu 3 (BTC) 2 A material;
(2) Weighing the metal organic framework Cu obtained in the step (1) 3 (BTC) 2 The material is put into a centrifuge tube, the prepared ammonia water solution with different pH values is measured and poured into a Cu-containing metal organic framework 3 (BTC) 2 And (3) in a centrifuge tube of the material, oscillating and centrifuging the material, washing the obtained precipitate with deionized water and ethanol, and drying to obtain the nano material with different dimensions.
Further, based on metal organic frameworks Cu 3 (BTC) 2 The preparation method of the nano material with different dimensions of the material specifically comprises the following steps:
(1) 0.875 g Cu (NO) 3 ) 2 ·3H 2 O is dissolved in 12 mL deionized water and stirred for 30min to form Cu (NO) 3 ) 2 A solution; simultaneously dissolving 0.42 g trimesic acid into 12 mL ethanol, and stirring for 30min to form trimesic acid solution; slowly pouring the uniformly stirred trimesic acid solution into the uniformly stirred Cu (NO) 3 ) 2 Stirring the solution to form a mixed solution; filling the obtained mixed solution into a 100 mL hydrothermal kettle, and preserving heat at 120 ℃ for 12 h; centrifuging, washing and drying the obtained blue precipitate after the reaction to obtain the metal organic framework Cu 3 (BTC) 2 A material;
(2) Weighing 40 and mg of the metal organic framework Cu obtained in the step (1) 3 (BTC) 2 The material is put into a centrifuge tube, and 7 mL ammonia water solutions with different pH values are measured and poured into a Cu-containing metal organic frame 3 (BTC) 2 In centrifuge tubes of material, the material is processedOscillating for 3min, centrifuging, washing the obtained precipitate with deionized water and ethanol, and drying to obtain nanometer materials with different dimensions.
In the step (2), the pH value of the ammonia water solution is 10-11; when ph=10 of the aqueous ammonia solution, a metal organic framework Cu based is produced 3 (BTC) 2 Is a nanowire material of (2); when the pH of the aqueous ammonia solution=10.5, a metal-organic framework Cu based is produced 3 (BTC) 2 Is a nanosheet material of (2); at ph=11 of the aqueous ammonia solution, a metal organic framework Cu based is produced 3 (BTC) 2 Is a nanoparticle material of (a).
The application has the beneficial effects that:
(1) The application uses metal organic frame Cu 3 (BTC) 2 The interaction of the material and the ammonia water realizes that the low-dimensional nano material with different dimensions can be continuously prepared by regulating and controlling the pH value in a smaller range of the ammonia water, thereby breaking through the problem of instability of the nano material prepared by a mechanical method or a grinding method, a hydrothermal method and the like in the past, and being difficult to realize the preparation of the nano material with different dimensions by regulating and controlling factors in a smaller range at the same time;
(2) The preparation method has the advantages of simple operation, high product quality, mild condition, short preparation period and suitability for large-scale production, and the prepared metal organic framework Cu is adopted 3 (BTC) 2 The material and ammonia water solution with different pH values are simply mixed, and the oscillation can be used for preparing low-dimensional nano materials with different dimensions, including nano wires, nano sheets and nano particles, so that a new field is developed for preparing the nano materials with different dimensions, and the method has very important significance.
Drawings
FIG. 1 shows a metal organic framework Cu 3 (BTC) 2 Material and Cu-based 3 (BTC) 2 XRD diffraction curves of nanomaterials (including nanowires, nanoplatelets, and nanoparticles) of different dimensions of the material;
FIG. 2 is a metal organic framework Cu 3 (BTC) 2 Material and Cu-based 3 (BTC) 2 Of different dimensions of materialInfrared spectra of nanomaterials (including nanowires, nanoplatelets, and nanoparticles);
FIG. 3 shows a metal organic framework Cu prepared 3 (BTC) 2 A topography diagram and elemental analysis of the material;
FIG. 4 is a metal-organic framework Cu prepared in example 1 3 (BTC) 2 A topography diagram and elemental analysis of a nanowire low-dimensional material formed by the material;
FIG. 5 is a metal-organic framework Cu-based alloy prepared in example 2 3 (BTC) 2 The morphology graph and element analysis of the nano-sheet low-dimensional material formed by the material are carried out;
FIG. 6 is a metal-organic framework Cu prepared in example 3 3 (BTC) 2 And (3) topography and elemental analysis of the nanoparticle low-dimensional material formed by the material.
Detailed Description
The application is further described in detail below with reference to examples for the purpose of further disclosure, but not limitation.
Example 1
Cu based on metal organic framework 3 (BTC) 2 The material is prepared into a low-dimensional nanowire material, which comprises the following specific steps:
(1) 0.875 g of Cu (NO) was weighed by an electronic balance 3 ) 2 ·3H 2 Dissolving O into deionized water of 12 mL, and stirring for 30min;
(2) Meanwhile, 0.42 g trimesic acid is also weighed and dissolved in 12 mL ethanol, and stirred for 30min;
(3) Slowly pouring the uniformly mixed trimesic acid solution into the uniformly mixed Cu (NO) 3 ) 2 Stirring the solution for 30min;
(4) Loading the mixed solution into a hydrothermal kettle of 100 mL, preserving heat at 120deg.C for 12 h, centrifuging the obtained precipitate, washing, and drying to obtain metal organic frame Cu 3 (BTC) 2 A material;
(5) Weighing the obtained metal organic frame Cu 3 (BTC) 2 Material 40 mg was placed in a 7 mL test tube;
(6) Matching withAn aqueous ammonia solution with ph=10 is prepared and is combined with the metal organic framework Cu weighed in step (5) 3 (BTC) 2 Mixing the materials, oscillating for 3 times and 3min each time;
(7) Centrifuging, washing and drying the precipitate obtained by vibration to obtain the low-dimensional nanowire material.
The powder prepared by the method of example 1 was measured by Miniflex600M X ray diffractometer to be metal organic framework Cu in phase 3 (BTC) 2 Materials, which were measured by Nicolet 5700 Fourier infrared apparatus from thermoelectric corporation of America, still had a metal-organic framework Cu 3 (BTC) 2 The ligand of the material is scanned by a field emission Scanning Electron Microscope (SEM) of Karl Zeiss SUPAR55 in Germany to obtain an SEM image as shown in figure 4, and the obtained nanowire material is low-dimensional.
Example 2
Cu based on metal organic framework 3 (BTC) 2 The material is prepared into a low-dimensional nano sheet material, which comprises the following specific steps:
(1) 0.875 g of Cu (NO) was weighed by an electronic balance 3 ) 2 ·3H 2 Dissolving O into deionized water of 12 mL, and stirring for 30min;
(2) Meanwhile, 0.42 g trimesic acid is also weighed and dissolved in 12 mL ethanol, and stirred for 30min;
(3) Slowly pouring the uniformly mixed trimesic acid solution into the uniformly mixed Cu (NO) 3 ) 2 Stirring for 30min while the solution is in the middle;
(4) Loading the mixed solution into a hydrothermal kettle of 100 mL, preserving heat at 120deg.C for 12 h, centrifuging the obtained precipitate, washing, and drying to obtain metal organic frame Cu 3 (BTC) 2 A material;
(5) Weighing the obtained metal organic frame Cu 3 (BTC) 2 Material 40 mg was placed in a 7 mL test tube;
(6) An aqueous ammonia solution with ph=10.5 is prepared and is combined with the metal organic framework Cu weighed in step (5) 3 (BTC) 2 Mixing the materials, oscillating for 3 times and 3min each time;
(7) Centrifuging, washing and drying the precipitate obtained by vibration to obtain the low-dimensional nano sheet material.
The powder prepared by the method of example 1 was measured by Miniflex600M X ray diffractometer to be metal organic framework Cu in phase 3 (BTC) 2 Materials, which were measured by Nicolet 5700 Fourier infrared apparatus from thermoelectric corporation of America, still had a metal-organic framework Cu 3 (BTC) 2 The ligand of the material is scanned by a field emission Scanning Electron Microscope (SEM) of Karl Zeiss SUPAR55 in Germany to obtain an SEM image as shown in figure 5, and the obtained nanosheet material is low-dimensional.
Example 3
Cu based on metal organic framework 3 (BTC) 2 The material is prepared into low-dimensional nano particle material, which comprises the following specific steps:
(1) 0.875 g of Cu (NO) was weighed by an electronic balance 3 ) 2 ·3H 2 Dissolving O into deionized water of 12 mL, and stirring for 30min;
(2) Meanwhile, 0.42 g trimesic acid is also weighed and dissolved in 12 mL ethanol, and stirred for 30min;
(3) Slowly pouring the uniformly mixed trimesic acid solution into the uniformly mixed Cu (NO) 3 ) 2 Stirring the solution for 30min;
(4) Loading the mixed solution into a hydrothermal kettle of 100 mL, preserving heat at 120deg.C for 12 h, centrifuging the obtained precipitate, washing, and drying to obtain metal organic frame Cu 3 (BTC) 2 A material;
(5) Weighing the obtained metal organic frame Cu 3 (BTC) 2 Material 40 mg was placed in a 7 mL test tube;
(6) An aqueous ammonia solution with ph=11 is prepared and is combined with the metal organic framework Cu weighed in step (5) 3 (BTC) 2 Mixing the materials, oscillating for 3 times and 3min each time;
(7) Centrifuging, washing and drying the precipitate obtained by vibration to obtain the low-dimensional nano particle material. The powder prepared by the method of example 3 was measured to be Cu by Miniflex600M X ray diffractometer 2 O, via U.S. thermoelectricThe company's Nicolet 5700 fourier infrared instrument determines that it still has a metal-organic framework Cu 3 (BTC) 2 The ligand of the material is scanned by a field emission Scanning Electron Microscope (SEM) of Karl Zeiss SUPAR55 in Germany to obtain an SEM (shown in figure 5), and the obtained nanoparticle material is low-dimensional.
The foregoing description is only of the preferred embodiments of the application, and all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (2)
1. Cu based on metal organic frame 3 (BTC) 2 The preparation method of the nano material with different dimensions is characterized by comprising the following steps: the method specifically comprises the following steps:
(1) Cu (NO) 3 ) 2 ·3H 2 O is dissolved in deionized water, and Cu (NO) is formed after stirring 3 ) 2 A solution; meanwhile, dissolving trimesic acid into ethanol, and stirring to form trimesic acid solution; slowly pouring the uniformly stirred trimesic acid solution into the uniformly stirred Cu (NO) 3 ) 2 Stirring the solution to form a mixed solution; filling the obtained mixed solution into a hydrothermal kettle for hydrothermal reaction; centrifuging, washing and drying the obtained blue precipitate after the reaction to obtain the metal organic framework Cu 3 (BTC) 2 A material;
(2) Weighing the metal organic framework Cu obtained in the step (1) 3 (BTC) 2 The material is put into a centrifuge tube, the prepared ammonia water solution with different pH values is measured and poured into a Cu-containing metal organic framework 3 (BTC) 2 In a centrifuge tube of the material, oscillating and centrifuging the material, washing the obtained precipitate with deionized water and ethanol, and drying to obtain nano materials with different dimensions;
in the step (2), the pH value of the ammonia water solution is 10-11; when ph=10 of the aqueous ammonia solution, a metal organic framework Cu based is produced 3 (BTC) 2 Is a nanowire material of (2); when the pH of the aqueous ammonia solution=10.5, a metal-organic framework Cu based is produced 3 (BTC) 2 Is a nanosheet material of (2); at ph=11 of the aqueous ammonia solution, gold-based was preparedBelonging to organic framework Cu 3 (BTC) 2 Is a nanoparticle material of (a).
2. A metal-organic framework Cu-based according to claim 1 3 (BTC) 2 The preparation method of the nano material with different dimensions is characterized by comprising the following steps: the method specifically comprises the following steps:
(1) 0.875 g Cu (NO) 3 ) 2 ·3H 2 O is dissolved in 12 mL deionized water and stirred for 30min to form Cu (NO) 3 ) 2 A solution; simultaneously dissolving 0.42 g trimesic acid into 12 mL ethanol, and stirring for 30min to form trimesic acid solution; slowly pouring the uniformly stirred trimesic acid solution into the uniformly stirred Cu (NO) 3 ) 2 Stirring the solution to form a mixed solution; filling the obtained mixed solution into a 100 mL hydrothermal kettle, and preserving heat at 120 ℃ for 12 h; centrifuging, washing and drying the obtained blue precipitate after the reaction to obtain the metal organic framework Cu 3 (BTC) 2 A material;
(2) Weighing 40 and mg of the metal organic framework Cu obtained in the step (1) 3 (BTC) 2 The material is put into a centrifuge tube, and 7 mL ammonia water solutions with different pH values are measured and poured into a Cu-containing metal organic frame 3 (BTC) 2 And (3) vibrating the material in a centrifuge tube for 3min, centrifuging, washing the obtained precipitate with deionized water and ethanol, and drying to obtain the nano material with different dimensions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810641121.2A CN108610489B (en) | 2018-06-21 | 2018-06-21 | Preparation method of nano material based on metal organic framework material and with different dimensions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810641121.2A CN108610489B (en) | 2018-06-21 | 2018-06-21 | Preparation method of nano material based on metal organic framework material and with different dimensions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108610489A CN108610489A (en) | 2018-10-02 |
| CN108610489B true CN108610489B (en) | 2023-10-20 |
Family
ID=63665566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810641121.2A Active CN108610489B (en) | 2018-06-21 | 2018-06-21 | Preparation method of nano material based on metal organic framework material and with different dimensions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108610489B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109560277B (en) * | 2018-11-29 | 2020-04-14 | 重庆文理学院 | Preparation method of nanowire-shaped manganese selenide/carbon composite material |
| CN113861483B (en) * | 2021-10-28 | 2023-03-14 | 深圳大学 | Preparation method of composite thermoelectric material based on metal organic framework |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105566654A (en) * | 2016-01-28 | 2016-05-11 | 浙江省肿瘤医院 | One-dimensional structure metal-organic framework compound and preparation method thereof |
| CN105709614A (en) * | 2014-11-30 | 2016-06-29 | 中国科学院大连化学物理研究所 | Ultrathin layered material, and preparation method thereof |
| CN106699550A (en) * | 2016-12-12 | 2017-05-24 | 北京科技大学 | Preparation method of nano Cu-CuBTC type metal organic framework material |
| CN106832707A (en) * | 2017-03-06 | 2017-06-13 | 桂林理工大学 | The preparation method of copper metal organic frame/polyvinyl alcohol nano composite membrane |
| CN107312181A (en) * | 2017-06-28 | 2017-11-03 | 华中科技大学 | A kind of quick method for preparing Cu BTC |
| CN107383386A (en) * | 2017-08-04 | 2017-11-24 | 南京工业大学 | A kind of method and its application for preparing two-dimensional metallic organic framework material |
| CN107556329A (en) * | 2017-09-29 | 2018-01-09 | 福州大学 | A kind of porous metals organic framework materials and preparation method thereof |
-
2018
- 2018-06-21 CN CN201810641121.2A patent/CN108610489B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105709614A (en) * | 2014-11-30 | 2016-06-29 | 中国科学院大连化学物理研究所 | Ultrathin layered material, and preparation method thereof |
| CN105566654A (en) * | 2016-01-28 | 2016-05-11 | 浙江省肿瘤医院 | One-dimensional structure metal-organic framework compound and preparation method thereof |
| CN106699550A (en) * | 2016-12-12 | 2017-05-24 | 北京科技大学 | Preparation method of nano Cu-CuBTC type metal organic framework material |
| CN106832707A (en) * | 2017-03-06 | 2017-06-13 | 桂林理工大学 | The preparation method of copper metal organic frame/polyvinyl alcohol nano composite membrane |
| CN107312181A (en) * | 2017-06-28 | 2017-11-03 | 华中科技大学 | A kind of quick method for preparing Cu BTC |
| CN107383386A (en) * | 2017-08-04 | 2017-11-24 | 南京工业大学 | A kind of method and its application for preparing two-dimensional metallic organic framework material |
| CN107556329A (en) * | 2017-09-29 | 2018-01-09 | 福州大学 | A kind of porous metals organic framework materials and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108610489A (en) | 2018-10-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Wu et al. | Sophisticated construction of Au islands on Pt–Ni: an ideal trimetallic nanoframe catalyst | |
| Li et al. | Synthesis of hexagonal and triangular Fe 3 O 4 nanosheets via seed-mediated solvothermal growth | |
| WO2018064960A1 (en) | Method for preparing loading-type nano-metal material using microwave-assisted carbon template method | |
| CN107377993B (en) | A kind of metal nanometer line, dispersion liquid and preparation method thereof | |
| CN113479849B (en) | Preparation method of nano metal oxide | |
| WO2011131008A1 (en) | Method for preparing nano-nickel powder with microchannel reactor | |
| CN108610489B (en) | Preparation method of nano material based on metal organic framework material and with different dimensions | |
| WO2013038674A1 (en) | Ruthenium microparticles having essentially face-centered cubic structure and method for producing same | |
| CN106957439A (en) | Based on the solvent-free method for preparing Co MOF materials of oxide containing cobalt dual-metal | |
| CN110093619B (en) | Phase-controllable nickel phosphide powder material, preparation method thereof and electrode formed by phase-controllable nickel phosphide powder material | |
| CN109422294B (en) | Preparation method of size-controllable cobaltosic oxide nanoparticles | |
| JP2005343782A (en) | Method for producing bismuth telluride nanoparticle and method for producing tellurium nanoparticle | |
| Dobrzanski et al. | Synthesis and characterization of carbon nanotubes decorated with gold nanoparticles | |
| Park et al. | Chemical transformation and morphology change of nickel–silica hybrid nanostructures via nickel phyllosilicates | |
| Liu et al. | Core-shell Ag–Pt nanoparticles: A versatile platform for the synthesis of heterogeneous nanostructures towards catalyzing electrochemical reactions | |
| CN107556329B (en) | A kind of porous metals organic framework materials and preparation method thereof | |
| CN112086648A (en) | Method for synthesizing AuPd @ C material for oxygen reduction reaction electrocatalysis | |
| JP2023078128A (en) | Fibrous carbon nanostructure, evaluation method of fibrous carbon nanostructure and production method of surface-modified fibrous carbon nanostructure | |
| CN102000833A (en) | Submicron Au particles and preparation method thereof | |
| CN110339844A (en) | Fe nanometer rods and Pt@Fe Nanorods Catalyst and synthesis and application | |
| JP2021521091A (en) | How to obtain nanomaterials composed of carbonaceous substances and metal oxides | |
| Liu et al. | Growth mechanism of Ag 2 S nanocrystals in a nonpolar organic solvent | |
| Pan et al. | Synthesis of nanostructured M/Fe3O4 (M= Ag, Cu) composites using hexamethylentetramine and their electrocatalytic properties | |
| CN114195108B (en) | Magnetic field induced synthesis Ni 2 P one-dimensional nano chain and preparation method and application thereof | |
| CN113800476B (en) | Ultrasonic preparation method of nano metal oxide |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |