WO2021042921A1 - 导电金属有机框架封装叠氮化铜和叠氮化亚铜的制备方法 - Google Patents
导电金属有机框架封装叠氮化铜和叠氮化亚铜的制备方法 Download PDFInfo
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- WO2021042921A1 WO2021042921A1 PCT/CN2020/106085 CN2020106085W WO2021042921A1 WO 2021042921 A1 WO2021042921 A1 WO 2021042921A1 CN 2020106085 W CN2020106085 W CN 2020106085W WO 2021042921 A1 WO2021042921 A1 WO 2021042921A1
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- azide
- copper
- cuprous
- tcnq
- metal organic
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G3/00—Compounds of copper
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/08—Hydrazoic acid; Azides; Halogen azides
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B35/00—Compositions containing a metal azide
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F1/00—Compounds containing elements of Groups 1 or 11 of the Periodic System
- C07F1/08—Copper compounds
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/60—Constructional parts of cells
- C25B9/65—Means for supplying current; Electrode connections; Electric inter-cell connections
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D9/00—Electrolytic coating other than with metals
- C25D9/02—Electrolytic coating other than with metals with organic materials
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D9/00—Electrolytic coating other than with metals
- C25D9/04—Electrolytic coating other than with metals with inorganic materials
- C25D9/06—Electrolytic coating other than with metals with inorganic materials by anodic processes
Definitions
- the invention belongs to the technical field of electrochemical synthesis, and relates to a method for preparing conductive metal organic frame packaging copper azide and cuprous azide.
- the copper-containing metal organic framework (HKUST-1) is carbonized at high temperature to obtain a porous carbon framework and a highly dispersed copper source, and the porous carbon and copper azide composite material is prepared by the azide acid gas corrosion reaction .
- the porous carbon encapsulated copper azide material has low electrostatic sensitivity (1.6mJ) and excellent flame sensitivity.
- the above research shows that the sensitive copper azide material encapsulated by conductive materials can effectively reduce its electrostatic sensitivity and improve its antistatic ability.
- the above preparation method still has obvious defects. It is difficult to deposit metallic copper inside carbon nanotubes, and the content of deposited copper is not high, resulting in a low filling rate of copper azide; in addition, the preparation process requires porous anodic aluminum oxide (AAO) as a template, and the operation process is complicated and cumbersome.
- AAO anodic aluminum oxide
- the metal-organic framework-derived porous carbon framework needs to undergo a high-temperature calcination process, and the high-temperature treatment will destroy the uniform framework structure to a certain extent, causing the porous carbon framework to collapse locally.
- the above-mentioned copper azide materials are prepared by gas-solid azide method.
- the dangerous azide gas and the time-consuming reaction process greatly restrict the application of copper azide materials. Therefore, the preparation of copper azide and cuprous azide materials still faces severe challenges, and it is urgent to develop a safe and efficient azide method to prepare high-performance copper azide and cuprous azide materials.
- the object of the present invention is to provide a method for encapsulating copper azide and cuprous azide with a conductive metal-organic frame.
- the preparation method uses a conductive copper-containing metal-organic frame material as a precursor, and uses liquid-solid electrochemical azide The chemical reaction completes the azidation of the precursor, and realizes that the copper azide and cuprous azide nanocrystals are highly uniformly embedded in the conductive frame, which effectively improves the electrostatic safety of the copper azide material, and the preparation process is safe Efficient.
- the preparation method of conductive metal organic frame encapsulated copper azide and cuprous azide is prepared by liquid-solid electrochemical azide, and the specific steps are as follows:
- metal-organic framework material of the conductive copper-containing anode containing N 3 - solution as electrolyte
- the containing N 3 - used for the conventional solution containing a conventional N 3 - in the aqueous or alcoholic solution of a low density such as those containing N 3 - in methanol or ethanol solution.
- the solution containing N 3 - can be a sodium azide solution or a potassium azide solution, and the N 3 - concentration is preferably 0.01-1 mol/L.
- the conductive copper-containing metal organic framework material can be Cu(TCNQ), Cu-CAT, etc., wherein TCNQ is 7,7,8,8-tetracyanoquinodimethane, and CAT is Catecholamines.
- the energization condition can be a constant current or a constant voltage mode.
- the current density is 0.1-10 mA/cm 2 .
- the azidation reaction time is 1 to 240 minutes.
- the present invention has the following advantages:
- the copper azide and cuprous azide are uniformly embedded in the conductive metal organic frame, which can not only effectively avoid the agglomeration of copper azide and cuprous azide, but also reduce static electricity generated by friction and displacement.
- the conductive metal organic frame can promote the effective transfer of charges, avoid the accumulation of static charges, and improve the electrostatic safety performance.
- liquid-solid electrochemical azide method is used to prepare copper azide and cuprous azide materials, without the use of highly dangerous azido acid gas, and the entire reaction is completed in the liquid phase, and the preparation process is safe and reliable , Strong operability;
- the liquid-solid electrochemical azidation method is simple, efficient, and time-consuming, and the performance of the energetic film can be adjusted by adjusting the current density and azidation time, such as regulating the heat release and electrostatic sensitivity of the energetic film Wait;
- liquid-solid electrochemical azide method is fully compatible with the MEMS process, and the copper azide and cuprous azide thin films can be directly integrated on the micro device or chip.
- Fig. 1 is an XRD pattern of Cu(TCNQ) packaged copper azide and cuprous azide materials prepared by using Cu(TCNQ) as a precursor in Example 5;
- Example 2 is an SEM image of Cu(TCNQ) packaged copper azide and cuprous azide materials prepared by using Cu(TCNQ) as a precursor in Example 5;
- Example 3 is an HRTEM image of Cu(TCNQ) packaged copper azide and cuprous azide materials prepared by using Cu(TCNQ) as a precursor in Example 5;
- Example 4 is a TG-DSC chart of Cu(TCNQ) packaged copper azide and cuprous azide materials prepared by using Cu(TCNQ) as a precursor in Example 5;
- FIG. 5 is a comparison diagram of electrostatic sensitivity between Cu(TCNQ) packaged copper azide and cuprous azide materials and copper azide in Example 5.
- Cu(TCNQ) film As anode, 0.01mol/L sodium azide aqueous solution as electrolyte, current density is 0.1mA/cm 2 , Cu(TCNQ) completes the azide reaction at the anode, and the reaction time is 240 minutes. After the reaction, it is dried to obtain Cu(TCNQ) packaged copper azide and cuprous azide materials.
- Cu(TCNQ) film As anode, 0.02mol/L sodium azide aqueous solution as electrolyte, current density is 0.1mA/cm 2 , Cu(TCNQ) completes the azide reaction at the anode, and the reaction time is 240 minutes. After the reaction, it is dried to obtain Cu(TCNQ) packaged copper azide and cuprous azide materials.
- Cu(TCNQ) film As anode, 1mol/L sodium azide aqueous solution as electrolyte, current density is 0.1mA/cm 2 , Cu(TCNQ) completes the azide reaction at the anode, and the reaction time is 120 minutes. After the completion, drying is performed to obtain Cu (TCNQ) packaged copper azide and cuprous azide materials.
- Cu(TCNQ) film As anode, 0.02mol/L sodium azide aqueous solution as electrolyte, current density is 0.1mA/cm 2 , Cu(TCNQ) completes the azide reaction at the anode, and the reaction time is 1 minute. After the reaction, it is dried to obtain Cu(TCNQ) packaged copper azide and cuprous azide materials.
- Cu(TCNQ) film As anode, 0.02mol/L sodium azide aqueous solution as electrolyte, current density is 0.1mA/cm 2 , Cu(TCNQ) completes the azide reaction at the anode, and the reaction time is 60 minutes. After the reaction, it is dried to obtain Cu(TCNQ) packaged copper azide and cuprous azide materials.
- the structure, morphology and performance of the Cu(TCNQ) package copper azide and cuprous azide materials prepared in each embodiment are similar.
- the Cu(TCNQ) packaged copper azide and cuprous azide materials prepared in Example 5 are taken as examples to characterize their morphology and performance.
- Figure 1 is the XRD pattern of Cu(TCNQ) packaged copper azide and cuprous azide materials prepared with Cu(TCNQ) as the precursor, indicating that the main components of the resulting material are cuprous azide and cuprous azide Copper and Cu (TCNQ).
- Figure 2 is an SEM image of Cu(TCNQ) packaged copper azide and cuprous azide materials prepared with Cu(TCNQ) as a precursor, indicating that the resulting material is a thin-sheet array structure.
- Figure 3 is the HRTEM image of Cu(TCNQ) packaged copper azide and cuprous azide materials prepared with Cu(TCNQ) as the precursor, indicating that the generated copper azide nanocrystals are highly uniformly embedded in Cu (TCNQ) In the framework.
- Figure 4 is a TG-DSC chart of Cu(TCNQ) packaged copper azide and cuprous azide materials prepared with Cu(TCNQ) as the precursor.
- the first exothermic peak is the rapid rate of cuprous azide Decomposition reaction
- the second exothermic peak is the rapid decomposition reaction of copper azide.
- Figure 5 is a comparison diagram of the electrostatic sensitivity of Cu(TCNQ) packaged copper azide and cuprous azide materials with copper azide, showing that copper azide and cuprous azide are packaged in highly conductive Cu( TCNQ) After the inside of the frame, the electrostatic sensitivity is significantly reduced, and the electrostatic safety is significantly improved.
- the copper oxide array film is used as the anode, the 0.02mol/L sodium azide aqueous solution is used as the electrolyte, the current density is 1mA/cm 2 , the copper oxide array film completes the azide reaction at the anode, the reaction time is 10 minutes, and the reaction is over Then, it is dried to obtain a thin film containing copper azide.
- Cu(TCNQ) film As anode, 0.02mol/L sodium azide aqueous solution as electrolyte, current density is 1mA/cm 2 , Cu(TCNQ) completes the azide reaction at the anode, the reaction time is 10 minutes, the reaction After the completion, drying is performed to obtain Cu (TCNQ) packaged copper azide and cuprous azide materials.
- Cu(TCNQ) film As anode, 0.02mol/L sodium azide aqueous solution as electrolyte, current density is 10mA/cm 2 , Cu(TCNQ) completes the azide reaction at the anode, and the reaction time is 10 minutes. After the completion, drying is performed to obtain Cu (TCNQ) packaged copper azide and cuprous azide materials.
Abstract
Description
Claims (9)
- 一种导电金属有机框架封装叠氮化铜和叠氮化亚铜的制备方法,其特征在于,具体步骤为:以导电性含铜的金属有机框架材料为阳极,以含N 3 -的溶液为电解液,在通电条件下导电性含铜金属有机框架在阳极完成叠氮化反应,反应结束后,干燥,得到导电金属有机框架封装叠氮化铜和叠氮化亚铜材料。
- 根据权利要求1所述的制备方法,其特征在于,所述的含N 3 -的溶液为含N 3 -的水溶液或低密度的醇溶液。
- 根据权利要求2所述的制备方法,其特征在于,所述的含N 3 -的低密度的醇溶液为含N 3 -的甲醇溶液或乙醇溶液。
- 根据权利要求1所述的制备方法,其特征在于,所述的含N 3 -的溶液为叠氮化钠溶液或叠氮化钾溶液。
- 根据权利要求1~4任一所述的制备方法,其特征在于,所述的含N 3 -的溶液中,N 3 -浓度为0.01~1mol/L。
- 根据权利要求1~4任一所述的制备方法,其特征在于,所述的导电性含铜的金属有机框架材料为Cu(TCNQ)或Cu-CAT。
- 根据权利要求1~4任一所述的制备方法,其特征在于,所述的通电条件为恒电流或恒电压模式。
- 根据权利要求7所述的制备方法,其特征在于,采用恒电流模式时,电流密度为0.1~10mA/cm 2。
- 根据权利要求1所述的制备方法,其特征在于,所述的叠氮化反应时间为1~240分钟。
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EP0283919A2 (en) * | 1987-03-27 | 1988-09-28 | Hercules Incorporated | Crash bag propellant compositions for generating high quality nitrogen gas |
CN103382029A (zh) * | 2013-06-24 | 2013-11-06 | 西安近代化学研究所 | 一种表面修饰叠氮基的石墨及其制备方法 |
US20150321922A1 (en) * | 2014-05-12 | 2015-11-12 | Pacific Scientific Energetic Materials Company | Method for preparation of silver azide |
CN109837515A (zh) * | 2017-11-29 | 2019-06-04 | 南京理工大学 | 纳米复合含能薄膜及其制备方法 |
CN110078033A (zh) * | 2019-05-22 | 2019-08-02 | 北京理工大学 | 一种具有约束壳体的高密度铜叠氮化物的制备方法 |
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EP0283919A2 (en) * | 1987-03-27 | 1988-09-28 | Hercules Incorporated | Crash bag propellant compositions for generating high quality nitrogen gas |
CN103382029A (zh) * | 2013-06-24 | 2013-11-06 | 西安近代化学研究所 | 一种表面修饰叠氮基的石墨及其制备方法 |
US20150321922A1 (en) * | 2014-05-12 | 2015-11-12 | Pacific Scientific Energetic Materials Company | Method for preparation of silver azide |
CN109837515A (zh) * | 2017-11-29 | 2019-06-04 | 南京理工大学 | 纳米复合含能薄膜及其制备方法 |
CN110078033A (zh) * | 2019-05-22 | 2019-08-02 | 北京理工大学 | 一种具有约束壳体的高密度铜叠氮化物的制备方法 |
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