CN112954991A - MXene/metal nanowire composite material and freeze-thaw assembly method and application thereof - Google Patents
MXene/metal nanowire composite material and freeze-thaw assembly method and application thereof Download PDFInfo
- Publication number
- CN112954991A CN112954991A CN202110111099.2A CN202110111099A CN112954991A CN 112954991 A CN112954991 A CN 112954991A CN 202110111099 A CN202110111099 A CN 202110111099A CN 112954991 A CN112954991 A CN 112954991A
- Authority
- CN
- China
- Prior art keywords
- mxene
- freeze
- composite material
- metal nanowire
- nanowires
- 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.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/18—Measuring force or stress, in general using properties of piezo-resistive materials, i.e. materials of which the ohmic resistance varies according to changes in magnitude or direction of force applied to the material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/02—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning
- G01L9/06—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning of piezo-resistive devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Nanotechnology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Electromagnetism (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The invention discloses an MXene/metal nanowire composite material and a freeze-thaw assembly method and application thereof. The composite material comprises MXene nano-sheets with folds and metal nano-wires, wherein the metal nano-wires are wrapped and fixed by the folds of the MXene nano-sheets to form an embedded 2D/1D structure. The freeze-thaw assembly method comprises the following steps: dispersing MXene powder in water, then intercalating by at least 4 times of freezing-melting operation to obtain MXene nanosheets with wrinkles, adding metal nanowire dispersion liquid, stirring, and then performing freezing-melting operation to complete assembly. The composite material has the advantages of stable structure, high conductivity, good mechanical property and flexibility, and high electromagnetic wave absorption efficiency and reflection efficiency; the material can be automatically assembled by a simple freezing-melting method, does not need to add an activated reaction substance, is simple to operate and good in safety, and can be applied to the field of pressure sensors, electromagnetic shielding or wearable flexible devices.
Description
Technical Field
The invention belongs to the technical field of composite nano materials, and particularly relates to an MXene/metal nanowire composite material and a freeze-thaw assembly method and application thereof.
Background
MXene is a novel sheet-shaped stacked two-dimensional material, has the characteristics of the traditional two-dimensional material, is rich in types of constituent elements, has excellent performance in various fields, and is widely applied to the fields of electrochemistry, electromagnetic shielding, sensors and the like. The compound use of MXene and other materials is always the focus of research, and the composite material is important for improving the conductivity, the environmental stability and the mechanical property. The compounding of MXene and metal nanowires mainly has two modes, one mode is liquid phase and is blended in solution, but the compounding effect is not good, so that the performance is effectively improved; the other is solid phase, MXene is coated on a thin film of the metal nanowires to prepare a blended material, but the mixed material forms an interface between two phases in such a way, and certain properties of the material, such as conductivity, mechanical property, hydrophilicity and the like, are inevitably influenced in application.
Disclosure of Invention
The invention aims to provide an MXene/metal nanowire composite material, a freeze-thaw assembly method and application thereof. The composite material has the advantages of stable structure, high and stable conductivity, good mechanical property, good flexibility, free bending, high electromagnetic wave absorption efficiency and reflection efficiency; can be automatically assembled by a simple freezing-thawing method without adding any activating reaction substance, and has simple operation and good safety.
In order to solve the technical problems, the invention adopts the following technical scheme:
the MXene/metal nanowire composite material comprises MXene nanosheets and metal nanowires, wherein the MXene nanosheets are wrinkled, and the metal nanowires are wrapped and fixed by the wrinkles of the MXene nanosheets to form a mosaic 2D/1D structure.
According to the scheme, the mass ratio of the metal nanowire to the MXene nanosheet is 1: (1-5).
According to the scheme, the thickness of the MXene nanosheet is 1-15 nm.
According to the scheme, the diameter of the metal nanowire is 30-50nm, and the length of the metal nanowire is 100-200 mu m.
According to the scheme, the metal nanowires are silver nanowires, copper nanowires, gold nanowires or tellurium nanowires; the MXene is Ti3C2Tx、Ti2CTx、Mo2CTxOr Nb3C2Tx。
The freeze-thaw assembly method of the MXene/metal nanowire composite material comprises the following steps:
dispersing MXene powder in water, then intercalating by at least 4 times of freezing-melting operation to obtain MXene nanosheets with wrinkles, adding metal nanowire dispersion liquid, stirring, and then performing freezing-melting operation to complete assembly to obtain the MXene/metal nanowire composite material.
According to the scheme, the freezing-thawing operation comprises the following steps: and gradually cooling the reaction solution to-20 to-30 ℃, freezing for 2-3 hours, taking out, and unfreezing at the temperature of 20-40 ℃. Preferably, the cooling rate is 1-3 deg.C/min.
MXene powder was intercalated by 4-6 freeze-thaw operations after dispersion in water according to the protocol described above.
According to the scheme, the concentration of the MXene powder after being dispersed in water is 1-3 mg/ml.
According to the scheme, the concentration of the metal nanowire solution is 0.5-2 mg/ml.
According to the scheme, the mass ratio of the metal nanowire to MXene is 1: (1-5).
According to the scheme, the metal nanowires are silver nanowires, copper nanowires, gold nanowires or tellurium nanowires.
According to the scheme, MXene is Ti3C2Tx、Ti2CTx、Mo2CTxOr Nb3C2Tx。
According to the scheme, the metal nanowire dispersion liquid is added and stirred for 0.5-2h, and then freezing-thawing operation is carried out to complete assembly.
The MXene/metal nanowire composite material is applied to the fields of pressure sensors, electromagnetic shielding or wearable flexible devices.
In the MXene/metal nanowire composite material provided by the invention, the metal nanowire is wrapped and fixed by folds of a plurality of MXene nanosheets to form an embedded 2D/1D structure; the MXene nanosheets are in good contact with the silver nanowires, and the composite material is stable in structure; meanwhile, the one-dimensional silver nanowires are inserted between the two-dimensional MXene material sheet layers, so that effective connection is established between the MXene sheet layers, a conductive network is established, the conductivity of the composite material is obviously improved, and the long-term stability of the conductivity is improved. The composite material has high mechanical strength, and can effectively change the MXene interlamellar spacing and the connection form of the internal conductive network through the change of pressure, thereby outputting different electric signals and playing the effect of a pressure sensor; meanwhile, the flexibility of the MXene material is not influenced, the MXene material can be freely bent, and a greater effect is played in a wearable flexible device; in addition, the good conductivity and the formation of the wrinkles on the surface of MXene are beneficial to improving the electromagnetic wave absorption efficiency and reflection efficiency of the MXene in the electromagnetic shielding field, so that the integral electromagnetic shielding efficiency is improved; the composite material can be widely applied to the field of pressure sensors, electromagnetic shielding or wearable flexible devices.
The MXene aqueous dispersion is subjected to freezing-thawing operation for multiple times, water molecules expand under freezing due to the action of hydrogen bonds during low-temperature freezing to realize delamination of the MXene, and wrinkles with different sizes are generated on the surface of the MXene under the action of expansion and extrusion of the water molecules through multiple freezing-thawing operations. And then mixing the MXene nanosheets with the folds with the metal nanowire solution, then carrying out freezing-melting operation again, embedding the silver nanowires into the folds generated on the surfaces of the MXene, so that the MXene and the metal nanowires can be automatically assembled, and the stable MXene/metal nanowire composite material is obtained, wherein the silver nanowires and the MXene form a cross-linked interpenetrating network inside, and the electrical property and the stability of the material are improved.
The invention has the beneficial effects that:
1. the MXene/metal nanowire composite material provided by the invention is of an embedded 2D/1D structure, the MXene nanosheets with folds have good contact with the silver nanowires, and a conductive network is constructed; the composite material has stable structure and high conductivity (2440S cm)-1Pure MXene material is 1500S cm-1) The high-strength flexible material has high mechanical strength and good flexibility, and can be widely applied to the field of pressure sensors, electromagnetic shielding or wearable flexible devices.
2. The MXene/metal nanowire composite material with a stable structure can be obtained by layering MXene through the expansion effect of water molecules under freezing, obtaining MXene nanosheets with enough and large irregular wrinkles on the surfaces through multiple freezing-melting operations, providing a deposition space for the one-dimensional material metal nanowires, enabling the one-dimensional material metal nanowires to be more easily coated by MXene, and performing the freezing-melting operation again in the composite process to enable the MXene nanosheets and the metal nanowires to be combined more tightly; the composite material can be obtained by automatic assembly through a simple freezing-melting method, no activating reaction substance is required to be added, the purity is high, the operation is simple, the safety is good, the cost is low, and the method is suitable for industrial production.
Drawings
Fig. 1 is a Transmission Electron Microscope (TEM) image of wrinkled MXene nanoplatelets prepared by freeze-thaw method in example 1.
Fig. 2 is a Scanning Electron Microscope (SEM) image of the MXene/silver nanowire composite prepared by the freeze-thaw method in example 1.
Fig. 3 is an elemental analysis (EDS) diagram of the MXene/silver nanowire composite prepared by the freeze-thaw method in example 1.
Fig. 4 is the resistance of the MXene/silver nanowire composite prepared by the freeze-thaw method in example 1.
Fig. 5 shows the resistance change of the MXene/silver nanowire composite prepared by the freeze-thaw method in example 1 within 14 days.
Detailed Description
In order to better understand the present invention, the following embodiments are further illustrated, but the present invention is not limited to the following embodiments.
Example 1
A freeze-thaw assembly method of an MXene/silver nanowire composite material comprises the following steps:
1) 1.6g of lithium fluoride was dissolved in 20ml of 9mol/L hydrochloric acid under stirring, and 1.2g of Ti was added3AlC2Slowly adding the mixture into the solution, transferring the mixture into an oil bath kettle, stirring the mixture at the rotating speed of 120 r/min, and heating the mixture to 35 ℃ for reaction for 24 hours; centrifuging, ultrasonic treating, vacuum filtering, drying, etc. to obtain MXene (Ti)3C2Tx) The black powder of (1).
2) Dispersing MXene powder obtained in the step 1) into a dispersion liquid with the mass concentration of 1mg/ml by using water.
3) Freezing and thawing 5ml of MXene dispersion liquid obtained in the step 2), and specifically comprises the following steps: placing into a refrigerator, gradually cooling to-20 deg.C at a speed of 2 deg.C/min, freezing for 2 hr, completely freezing to obtain ice, and melting at 25 deg.C; and repeating the freezing-melting operation for 4 times to obtain the MXene nanosheet with wrinkles.
4) Adding 1ml of silver nanowire dispersion liquid with the concentration of 1mg/ml into the MXene nanosheets subjected to freeze thawing in the step 3), stirring for one hour, repeating the freezing-thawing operation in the step 3 once, performing vacuum filtration, and performing vacuum drying to obtain the MXene/silver nanowire composite material; wherein the diameter of the silver nanowire is 30nm, and the length of the silver nanowire is 100-200 μm.
Fig. 1 is a Transmission Electron Microscope (TEM) image of wrinkled MXene nanoplatelets prepared by freeze-thaw method in example 1. The figure shows that: the freeze-thawing method can effectively form folds and depressions with different sizes on the surface of MXene, the constructed rugged morphology is favorable for compounding with a one-dimensional material, the contact area can be increased, the rugged morphology can be in a larger contact space, and the conductivity, the environmental stability and the mechanical performance of the composite material can be improved.
Fig. 2 is a Scanning Electron Microscope (SEM) image of the MXene/silver nanowire composite prepared by the freeze-thaw method in example 1. The figure shows that: the thickness of the MXene nano-sheet is 1-15 nm; the surface of the MXene nano-sheet is distributed with a plurality of folds, and the silver nano-wires are inserted between the sheet layers and are wrapped in the sheet layers; MXene and silver nano-wire have good contact, can see that one-dimensional silver nano-wire alternates between two-dimensional MXene material lamella to establish effective connection between MXene lamella. The composite material can be used as a sensor material, and can effectively change the MXene interlamellar spacing in the composite material and the connection form of the internal conductive network through the change of pressure, so that different electric signals are output, and the effect of a pressure sensor is achieved.
Fig. 3 is an elemental analysis (EDS) diagram of the MXene/silver nanowire composite prepared by the freeze-thaw method in example 1. The figure shows that: the elements Ti, C, O and F contained in MXene and Ag in the silver nanowires are detected, which shows that the silver nanowires are successfully coated by the MXene.
Fig. 4 is the resistance of the MXene/silver nanowire composite prepared by the freeze-thaw method in example 1. The figure shows that: the MXene/silver nanowire composite material compounded by the freeze-thaw method constructs a conductive network and different MXene nano-materialsThe sheets are connected by the silver nanowires, so that the conductivity of the composite material is improved, and the composite material has high conductivity of 2440S cm-1Obviously higher than the conductivity of pure MXene material (1500S cm)-1) In addition, since the MXene has wrinkles and depressions of different sizes formed on the surface thereof, the incident electromagnetic wave can be effectively absorbed and reflected, thereby playing a role of shielding the electromagnetic wave. In addition, the nano composite material has low density and large specific surface area, and the characteristics are very suitable for the application in the field of electromagnetic shielding, particularly the application in the field of military science and technology as a coating.
FIG. 5 shows the resistance change of MXene/silver nanowire composite prepared by freeze-thaw method in 14 days in example 1; the figure shows that: the composite material has better stability under natural conditions, and the oxidation process is slowed probably due to the establishment of the conductive network in the composite material and the formation of the surface wrinkles, so that the stability of the conductivity of the composite material under the natural conditions is improved.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The MXene/metal nanowire composite material is characterized by comprising MXene nanosheets and metal nanowires, wherein the metal nanowires are wrapped and fixed by the folds of the MXene nanosheets to form a mosaic 2D/1D structure.
2. The composite material according to claim 1, wherein the mass ratio of the metal nanowires to the MXene nanosheets is 1: (1-5).
3. The composite material of claim 1, wherein the MXene nanosheets are 1-15nm thick; the diameter of the metal nanowire is 30-50nm, and the length of the metal nanowire is 100-200 mu m.
4. The composite material of claim 1, wherein the metal nanowires are silver nanowires, copper nanowires, gold nanowires, or tellurium nanowires; the MXene is Ti3C2Tx、Ti2CTx、Mo2CTxOr Nb3C2Tx。
5. The freeze-thaw assembly method of the MXene/metal nanowire composite of any one of claims 1-4, comprising the steps of:
dispersing MXene powder in water, then intercalating by at least 4 times of freezing-melting operation to obtain MXene nanosheets with wrinkles, adding metal nanowire dispersion liquid, stirring, and then performing freezing-melting operation to complete assembly to obtain the MXene/metal nanowire composite material.
6. A freeze-thaw assembly method according to claim 5, wherein the freeze-thaw operation is: and gradually cooling the reaction solution to-20 to-30 ℃, freezing for 2-3 hours, taking out, and unfreezing at the temperature of 20-40 ℃.
7. A freeze-thaw assembly method according to claim 5, wherein MXene powder is intercalated by 4-6 freeze-thaw operations after being dispersed in water.
8. A freeze-thaw assembly method according to claim 5, wherein the concentration of MXene powder after dispersion in water is 1-3 mg/ml; the concentration of the metal nanowire solution is 0.5-2 mg/ml.
9. A freeze-thaw assembly method according to claim 5, wherein the mass ratio of the metal nanowires to MXene is 1: (1-5).
10. Use of the MXene/metal nanowire composite of any one of claims 1-4 in the field of pressure sensors, electromagnetic shielding or wearable flexible devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110111099.2A CN112954991B (en) | 2021-01-27 | 2021-01-27 | MXene/metal nanowire composite material and freeze-thaw assembly method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110111099.2A CN112954991B (en) | 2021-01-27 | 2021-01-27 | MXene/metal nanowire composite material and freeze-thaw assembly method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112954991A true CN112954991A (en) | 2021-06-11 |
| CN112954991B CN112954991B (en) | 2022-10-21 |
Family
ID=76237835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110111099.2A Active CN112954991B (en) | 2021-01-27 | 2021-01-27 | MXene/metal nanowire composite material and freeze-thaw assembly method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112954991B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758986A (en) * | 2021-09-14 | 2021-12-07 | 湖北大学 | Based on Ti3C2Electrochemical transistor sensor with MXene channel, preparation method of electrochemical transistor sensor and nitrite detection method |
| CN114400153A (en) * | 2022-02-25 | 2022-04-26 | 上海大学 | MXene-copper nanowire composite material for super capacitor and preparation method thereof |
| CN116574483A (en) * | 2023-05-12 | 2023-08-11 | 黑龙江工程学院 | Preparation method of tellurium nanowire multi-component composite material |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017184957A1 (en) * | 2016-04-22 | 2017-10-26 | Drexel University | Two-dimensional metal carbide, nitride, and carbonitride films and composites for emi shielding |
| CN108168420A (en) * | 2017-12-26 | 2018-06-15 | 中国科学院上海硅酸盐研究所 | A kind of flexible strain transducer based on MXene materials |
| WO2019126031A1 (en) * | 2017-12-22 | 2019-06-27 | Drexel University | Crumpled mesoporous mxene powders synthesized by acid-, base-, or salt-induced crumpling |
| CN111312434A (en) * | 2020-02-27 | 2020-06-19 | 北京化工大学 | Metal nanowire-based multilayer-structure transparent electromagnetic shielding film and preparation method and application thereof |
| CN112146798A (en) * | 2020-10-08 | 2020-12-29 | 五邑大学 | Preparation method of flexible stress sensor with multi-dimensional microstructure |
-
2021
- 2021-01-27 CN CN202110111099.2A patent/CN112954991B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017184957A1 (en) * | 2016-04-22 | 2017-10-26 | Drexel University | Two-dimensional metal carbide, nitride, and carbonitride films and composites for emi shielding |
| WO2019126031A1 (en) * | 2017-12-22 | 2019-06-27 | Drexel University | Crumpled mesoporous mxene powders synthesized by acid-, base-, or salt-induced crumpling |
| CN108168420A (en) * | 2017-12-26 | 2018-06-15 | 中国科学院上海硅酸盐研究所 | A kind of flexible strain transducer based on MXene materials |
| CN111312434A (en) * | 2020-02-27 | 2020-06-19 | 北京化工大学 | Metal nanowire-based multilayer-structure transparent electromagnetic shielding film and preparation method and application thereof |
| CN112146798A (en) * | 2020-10-08 | 2020-12-29 | 五邑大学 | Preparation method of flexible stress sensor with multi-dimensional microstructure |
Non-Patent Citations (1)
| Title |
|---|
| 吴昕昱等: "聚合物基纳米复合材料结构设计与电磁屏蔽性能研究", 《高分子学报》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758986A (en) * | 2021-09-14 | 2021-12-07 | 湖北大学 | Based on Ti3C2Electrochemical transistor sensor with MXene channel, preparation method of electrochemical transistor sensor and nitrite detection method |
| CN113758986B (en) * | 2021-09-14 | 2024-04-16 | 湖北大学 | Based on Ti 3 C 2 Electrochemical transistor sensor with MXene channel, preparation method thereof and nitrite detection method |
| CN114400153A (en) * | 2022-02-25 | 2022-04-26 | 上海大学 | MXene-copper nanowire composite material for super capacitor and preparation method thereof |
| CN116574483A (en) * | 2023-05-12 | 2023-08-11 | 黑龙江工程学院 | Preparation method of tellurium nanowire multi-component composite material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112954991B (en) | 2022-10-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112954991B (en) | MXene/metal nanowire composite material and freeze-thaw assembly method and application thereof | |
| Wu et al. | Accurately Engineering 2 D/2D/0D Heterojunction In Hierarchical Ti3C2T x MXene Nanoarchitectures for Electromagnetic Wave Absorption and Shielding | |
| Wang et al. | Layer by layer assembly of sandwiched graphene/SnO 2 nanorod/carbon nanostructures with ultrahigh lithium ion storage properties | |
| CN102725888B (en) | For the conductive graphite alkene polymer adhesive of electrochemical cell electrode | |
| Feng et al. | One-pot synthesis of copper sulfide nanowires/reduced graphene oxide nanocomposites with excellent lithium-storage properties as anode materials for lithium-ion batteries | |
| Jana et al. | Growth of Ni–Co binary hydroxide on a reduced graphene oxide surface by a successive ionic layer adsorption and reaction (SILAR) method for high performance asymmetric supercapacitor electrodes | |
| JP5764494B2 (en) | Composition comprising carbon-based aerogel and method for producing carbon-based aerogel | |
| US20120321953A1 (en) | Graphene-enabled vanadium oxide cathode and lithium cells containing same | |
| US20220115963A1 (en) | Energy harvesting and self-cleaning system based on graphene aerogels and preparation method thereof | |
| KR20140002682A (en) | Graphene powder, production method thereof, and electrochemical device comprising same | |
| Dong et al. | A novel tin-bonded silicon anode for lithium-ion batteries | |
| Kumar et al. | Three-dimensional graphene-decorated copper-phosphide (Cu3P@ 3DG) heterostructure as an effective electrode for a supercapacitor | |
| JP7025644B2 (en) | Metal-air battery and air electrode manufacturing method | |
| CN112421017B (en) | Preparation method of binder-free water-based zinc ion battery positive electrode composite material | |
| CN102496481A (en) | Graphene/polypyrrole nanotube composite material, super capacitor with graphene/polypyrrole nanotube composite material as electrode, and methods for preparing graphene/polypyrrole nanotube composite material and super capacitor | |
| CN110364616A (en) | A kind of telluride silver nanowires flexible thermal conductive film and preparation method thereof welded at room temperature | |
| CN110885079A (en) | Preparation method of novel graphene-carbon nanotube composite material | |
| CN105789628B (en) | A kind of azepine graphene and manganese dioxide hybrid aerogel and its preparation method and application | |
| Yousaf et al. | Advancement in layered transition metal dichalcogenide composites for lithium and sodium ion batteries | |
| CN111675221A (en) | Preparation method of titanium carbide hollow sphere | |
| CN105118686A (en) | Graphite alkene /polyaniline/manganese dioxide ternary composite electrode material preparation method | |
| Bahaa et al. | Structural engineering and surface modification of nickel double hydroxide nanosheets for all-solid-state asymmetric supercapacitors | |
| Perumal et al. | Tamarind seed polysaccharide biopolymer-assisted synthesis of spinel zinc iron oxide as a promising alternate anode material for lithium-ion batteries | |
| Mudila et al. | Enhanced electrocapacitive performance and high power density of polypyrrole/graphene oxide nanocomposites prepared at reduced temperature | |
| Murugasamy et al. | Synthesis and characterization of sulfonated hafnium oxide nanoparticles for energy storage devices |
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 |