CN114940490A - Preparation method of carbon nano tube/titanium dioxide flexible composite membrane - Google Patents
Preparation method of carbon nano tube/titanium dioxide flexible composite membrane Download PDFInfo
- Publication number
- CN114940490A CN114940490A CN202210367859.0A CN202210367859A CN114940490A CN 114940490 A CN114940490 A CN 114940490A CN 202210367859 A CN202210367859 A CN 202210367859A CN 114940490 A CN114940490 A CN 114940490A
- Authority
- CN
- China
- Prior art keywords
- film
- mxene
- cnt
- titanium dioxide
- composite membrane
- 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.)
- Pending
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/158—Carbon nanotubes
- C01B32/168—After-treatment
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/90—Carbides
- C01B32/914—Carbides of single elements
- C01B32/921—Titanium carbide
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Abstract
The invention discloses a preparation method of a carbon nano tube/titanium dioxide flexible composite membrane. The method comprises the steps of electrifying a flexible Carbon Nanotube (CNT) film in the air, and heating and oxidizing MXene loaded on the surface of the CNT film by utilizing the high temperature of the Joule heat generated by electrifying the CNT film to obtain titanium dioxide (TiO) 2 ) Where MXene material is a single or few layers of Ti 3 C 2 . As the joule heat high temperature of the CNT film has the characteristics of quick response, low energy consumption, wide controllable temperature range and the like, the CNT film can be used for quickly oxidizing Ti 3 C 2 Thus replacing the traditional preparation methods with low energy consumption, such as physical pulverization, liquid phase or gas phase method, and the like. The invention can prepare the flexible CNT/TiO by direct electric heating in a short time 2 The composite membrane has the advantages of energy conservation and high efficiency, and has important application prospect.
Description
Technical Field
The invention belongs to the technical field of thin film material preparation, and particularly relates to a carbon nano tube/TiO 2 A method for quickly preparing a flexible composite film.
Background
The titanium dioxide has good catalytic performance and strong adsorbability, is widely applied to the fields of photocatalysis, wastewater treatment, lithium ion batteries, solar batteries and the like, and is also very suitable to be used as a slow release carrier in the fields of food, medicine, cosmetics and the like. In the preparation of titanium dioxide, tetrabutyl titanate or metal nano titanium particles are often used as a titanium source, and the preparation process mainly adopts methods such as a physical crushing method, a liquid phase method, a gas phase method and the like, so that the problems of long time consumption, complex process, more waste liquid, high energy consumption and the like are mostly solved. For example, patent CN101339872B discloses a carbon nanotube film field emission cathode with a double-layer blend structure and a preparation method thereof, which is to prepare CNT composite slurry by blending titanium nano-powder, and print a CNT cathode film with a single-layer Ti blend structure by a screen printing technique. Forming an upper layer of TiO by a two-step sintering process 2 A CNT composite film cathode with a double-layer mixing structure and a Ti mixing structure as a lower layer is formed by mixing, wherein titanium nano powder is used as a raw material and a traditional sintering method is adopted in the patent. Patent CN112007659A discloses rare earth doped indium sulfide nanosheet/TiO 2 The preparation method of the composite photoelectric anode film and the product thereof are that anhydrous ethanol is mixed with a titanium source to obtain a solution, the solution is mixed with ethanol water, diethanolamine is added, the mixture is kept stand and aged to obtain titanium dioxide gel, and a dipping and pulling method is adopted to prepare the titanium dioxide film; dissolving thulium nitrate, ytterbium nitrate, indium source and sulfur source in deionized water to obtain precursor solution, transferring the precursor solution into a reaction kettle, leaning a titanium dioxide film in the reaction kettle, preserving heat, cooling, taking out and drying to obtain the rare earth doped indium sulfide nanosheet/TiO 2 A composite photoelectric anode film material. In the patent, a titanium dioxide film is prepared by using butyl titanate and adopting a dipping and pulling method. Patent CN112480649A discloses a titanium dioxide/TPU composite hydrophilic film and a preparation method thereof, wherein a titanium dioxide precursor and a solvent are mixed and stirred to obtain TiO 2 Sol; stirring linseed oil and formic acid, adding hydrogen peroxide, hydroxyl compound and catalyst to obtain hyperbranched flaxA seed oil based polyol; dehydrating linseed oil-based polyol, adding diisocyanate and TiO 2 Sol and micromolecular chain extender to obtain TiO 2 and/TPU, dissolving to prepare a casting solution, and preparing the casting solution into a thin film. In this patent, butyl titanate is used as the titanium source. In summary, in most of the existing patents, the TiO is prepared by taking tetrabutyl titanate or titanium nanopowder as a titanium source by adopting hydrothermal or traditional muffle furnace sintering methods 2 And the problems in energy consumption and environmental protection are more.
The invention utilizes Ti 3 C 2 MXene as a titanium source and oxidation of Ti using the rapid rise in temperature from Joule heat of the flexible CNT film 3 C 2 The method of (3) can be used for quickly preparing the carbon nano tube/titanium dioxide flexible composite membrane. The method has the advantages of fast temperature rise and high efficiency. Can synthesize TiO in a short time 2 Compared with the traditional method, the nano particles save a large amount of time, and meanwhile, the current and voltage required in the preparation process are low, thereby being beneficial to saving energy consumption.
Disclosure of Invention
The invention provides a preparation method of a carbon nano tube/titanium dioxide flexible composite membrane for solving the problem of short plates in the prior art.
The invention solves the technical problems by the following scheme:
based on a preparation method of the carbon nanotube/titanium dioxide flexible composite membrane, a carbon nanotube film is electrified to generate Joule heat, then the Joule heat of the CNT film is utilized for heating, and MXene loaded on the surface of the CNT film is rapidly oxidized in the air, so that the target carbon nanotube/titanium dioxide flexible composite membrane is prepared.
The joule heat source includes, but is not limited to, a pure carbon nanotube film, or a composite film or fabric of carbon nanotubes and graphite, graphene or carbon fibers.
Wherein, Ti element in MXene is utilized to electrify the CNT/MXene film to quickly reach high temperature so as to synthesize CNT/TiO 2 A composite membrane.
Wherein, the short-time temperature rise and the smaller voltage and current are utilized, and the device has the advantages of energy consumption saving and high efficiency.
A preparation method based on a carbon nano tube/titanium dioxide flexible composite membrane comprises the following steps:
(1) pretreatment of the CNT film: intercepting a CNT film with a certain specification size and a thickness of 5-100 micrometers, firstly soaking the CNT film for 6 hours by using concentrated nitric acid to remove impurities such as contained catalysts and the like, and then washing the CNT film to be neutral by using deionized water, ethanol and the like.
(2) Preparing MXene solution: first, 1.2g of lithium fluoride and 40mL of hydrochloric acid were stirred in a polytetrafluoroethylene beaker for 30 min, and then 2g of Ti was added 3 AlC 2 The material was slowly added to the beaker and stirring was continued at 35 ℃ for 24 h. And then centrifugally washing the solution for multiple times until the solution is neutral, adding ethanol, performing ultrasonic treatment for 1 h, and centrifuging at a high speed to collect precipitates. Finally, deionized water is added, the mixture is shaken up and is subjected to ultrasonic treatment for 20min, and then the mixture is centrifuged for 3 min at 3500 rpm, so that MXene dispersion liquid can be obtained.
(3) Loading of MXene on the surface of the CNT film: and uniformly mixing the MXene solution and absolute ethyl alcohol, and performing vacuum filtration on the CNT film to obtain the CNT film with the MXene loaded on the surface. Further carrying out electrifying treatment on two ends of the composite film, and rapidly oxidizing MXene on the surface at high temperature by using the Joule heat of the CNT film by controlling the voltage or the current and the electrifying time to obtain TiO 2 And (4) nano particles, and finally preparing the carbon nano tube/titanium dioxide flexible composite membrane.
The beneficial techniques that can be realized by the present invention include at least: uses joule heat generated by electrifying CNT film with rapid temperature rise and drop characteristics to oxidize Ti on the surface 3 C 2 To synthesize nano TiO 2 And the method is high in energy consumption and high in pollution compared with the traditional physical crushing method, gas phase method, liquid phase method and the like for synthesizing TiO 2 Has remarkable advantages. The method has the characteristics of low energy consumption and high efficiency, and can particularly realize the loading of the CNT film on the TiO within a few seconds 2 The ultra-fast preparation of the nano-particles has important commercial application prospect.
Drawings
FIG. 1 is a schematic diagram of a process for preparing nano-titanium dioxide on the surface of a carbon nanotube film by using ultra-fast Joule thermal temperature response according to the present invention.
FIG. 2 is an optical photograph of the flexible display of the carbon nanotube/titanium dioxide flexible composite film according to the present invention.
FIG. 3 shows the preparation of low-loading nano TiO on the surface of a carbon nanotube film in the example of the present invention 2 Scanning electron micrographs of the particles.
FIG. 4 shows the preparation of nano TiO with high loading on the surface of carbon nanotube film in the embodiment of the present invention 2 Scanning electron micrographs of the particles.
FIG. 5 shows the nano TiO produced on the surface of the carbon nanotube film in the embodiment of the present invention 2 Scanning electron micrographs of particles at high magnification.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a few examples of the invention, not all examples. Other embodiments, which can be obtained by one skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example 1
A method for preparing carbon nano tube/titanium dioxide flexible composite film uses joule heat generated by electrifying a carbon nano tube film, utilizes the joule heat of the CNT film to heat and quickly oxidize Ti loaded on the surface of the CNT film in the air 3 C 2 MXene to prepare the target carbon nano tube/titanium dioxide flexible composite membrane.
A preparation method of a carbon nano tube/titanium dioxide flexible composite membrane specifically comprises the following steps:
firstly, a carbon nano tube film with the thickness of 10 microns and the specification of 2 multiplied by 4cm is cut out and is soaked for 6 hours by concentrated nitric acid to remove impurities such as contained catalyst and the like. 500. mu.L of Ti with a concentration of 1.5mg/mL was measured 3 C 2 MXene and 20mL of absolute ethyl alcohol are uniformly mixed, and the mixture is subjected to suction filtration on a carbon nano tube film to obtain the MXene-loaded CNT film. And then the surface of the composite film containing MXene faces upwards, and two ends of the composite film are stuck on a sample rack in a Joule heating furnace by utilizing conductive silver adhesive. The CNT film is electrified atUnder the constant pressure of 6V, the surface of the CNT film reaches 350 ℃ within 1 second, and the constant temperature is kept for 30 seconds, wherein MXene on the surface of the CNT film is oxidized into TiO in the air 2 To obtain TiO with uniformly distributed surface 2 CNT film of nanoparticles, namely carbon nanotube/titanium dioxide flexible composite film.
Example 2
A method for preparing carbon nano tube/titanium dioxide flexible composite film uses joule heat generated by electrifying a carbon nano tube film, utilizes the joule heat of the CNT film to heat and quickly oxidize Ti loaded on the surface of the CNT film in the air 3 C 2 MXene to prepare the target carbon nano tube/titanium dioxide flexible composite membrane.
A preparation method of a carbon nano tube/titanium dioxide flexible composite membrane specifically comprises the following steps:
firstly, a carbon nano tube film with the thickness of 10 microns and the specification of 2 multiplied by 4cm is cut out and is soaked for 6 hours by concentrated nitric acid to remove impurities such as contained catalyst and the like. 500. mu.L of Ti with a concentration of 1mg/mL was measured 3 C 2 MXene and 20mL of absolute ethyl alcohol are uniformly mixed, and the mixture is filtered onto the carbon nano tube film in a suction manner to obtain the CNT film loaded with MXene. And then the surface of the composite film containing MXene faces upwards, and two ends of the composite film are stuck on a sample rack in a Joule heating furnace by utilizing conductive silver adhesive. Electrifying the CNT film, wherein the surface of the CNT film instantly reaches 400 ℃ within 1 second under the constant voltage of 7V, keeping the constant temperature for 20 seconds, and oxidizing MXene on the surface of the CNT film into TiO in the air 2 To obtain TiO with uniformly distributed surface 2 CNT film of nanoparticles, namely carbon nanotube/titanium dioxide flexible composite film.
Example 3
A method for preparing flexible composite membrane of carbon nanotube/titanium dioxide comprises heating a carbon nanotube film by Joule heat generated by electrifying the film, and rapidly oxidizing Ti loaded on the surface of the film in air 3 C 2 MXene to prepare the target carbon nano tube/titanium dioxide flexible composite membrane.
A preparation method of a carbon nano tube/titanium dioxide flexible composite membrane specifically comprises the following steps:
firstly, a carbon nano tube film with the thickness of 10 microns and the specification of 2 multiplied by 4cm is cut out and is soaked for 6 hours by concentrated nitric acid to remove impurities such as contained catalyst and the like. 500. mu.L of Ti with a concentration of 1mg/mL was measured 3 C 2 MXene and 20mL of absolute ethyl alcohol are uniformly mixed, and the mixture is filtered onto the carbon nano tube film in a suction manner to obtain the CNT film loaded with MXene. And then the surface of the composite film containing MXene faces upwards, and two ends of the composite film are stuck on a sample rack in a Joule heating furnace by utilizing conductive silver adhesive. Electrifying the CNT film, wherein the surface of the CNT film instantly reaches 450 ℃ within 1 second under the constant voltage of 8V, keeping the constant temperature for 10 seconds, and oxidizing MXene on the surface of the CNT film into TiO in the air 2 To obtain TiO with uniformly distributed surface 2 CNT film of nanoparticles, namely carbon nanotube/titanium dioxide flexible composite film.
Example 4
A method for preparing carbon nano tube/titanium dioxide flexible composite film uses joule heat generated by electrifying a carbon nano tube film, utilizes the joule heat of the CNT film to heat and quickly oxidize Ti loaded on the surface of the CNT film in the air 3 C 2 MXene to prepare the target carbon nano tube/titanium dioxide flexible composite membrane.
A preparation method of a carbon nano tube/titanium dioxide flexible composite membrane specifically comprises the following steps:
firstly, a carbon nano tube film with the thickness of 5 microns and the specification of 2 multiplied by 4cm is cut out and is soaked for 6 hours by concentrated nitric acid to remove impurities such as contained catalyst and the like. 500. mu.L of Ti with a concentration of 1mg/mL was measured 3 C 2 MXene and 20mL of absolute ethyl alcohol are uniformly mixed, and the mixture is filtered onto the carbon nano tube film in a suction manner to obtain the CNT film loaded with MXene. And the surface of the composite film containing MXene faces upwards, and both ends of the composite film are adhered to a sample rack in a joule heating furnace by utilizing conductive silver adhesive. Electrifying the CNT film, and maintaining the surface of the CNT film at 400 ℃ instantly within 1 second under a constant voltage of 6.5V for 20 seconds, wherein MXene on the surface of the CNT film is oxidized into TiO in the air 2 To obtain TiO with uniformly distributed surface 2 CNT film of nanoparticles, namely carbon nanotube/titanium dioxide flexible composite film.
Example 5
A method for preparing flexible composite membrane of carbon nanotube/titanium dioxide comprises heating a carbon nanotube film by Joule heat generated by electrifying the film, and rapidly oxidizing Ti loaded on the surface of the film in air 3 C 2 MXene to prepare the target carbon nano tube/titanium dioxide flexible composite membrane.
A preparation method of a carbon nano tube/titanium dioxide flexible composite membrane specifically comprises the following steps:
firstly, a carbon nano tube film with the thickness of 20 microns and the specification of 2 multiplied by 4cm is cut out and is soaked for 6 hours by concentrated nitric acid to remove impurities such as contained catalyst and the like. 500. mu.L of Ti with a concentration of 1mg/mL was measured 3 C 2 MXene and 20mL of absolute ethyl alcohol are uniformly mixed, and the mixture is filtered onto the carbon nano tube film in a suction manner to obtain the CNT film loaded with MXene. And then the surface of the composite film containing MXene faces upwards, and two ends of the composite film are stuck on a sample rack in a Joule heating furnace by utilizing conductive silver adhesive. Electrifying the CNT film, under the constant current of 5 amperes, the surface of the CNT film instantly reaches 450 ℃ within 1 second, keeping the constant temperature for 10 seconds, and oxidizing MXene on the surface of the CNT film into TiO in the air 2 To obtain TiO with uniformly distributed surface 2 CNT film of nanoparticles, namely carbon nanotube/titanium dioxide flexible composite film.
In contrast to other TiO 2 Preparation method of nano-particles, TiO described in the invention 2 The rapid preparation method of the nano-particles replaces the traditional physical pulverization method, liquid phase method/gas phase method and other TiO direct oxidation methods with the direct oxidation method of joule heat generated by electrifying the CNT film with the characteristics of rapid temperature rise and temperature drop 2 And (4) a synthesis mode. The method has the characteristics of low energy consumption and high efficiency, and can especially realize TiO within seconds 2 The ultrafast preparation of the nano-particle film has important commercial application prospect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A preparation method of a carbon nano tube/titanium dioxide flexible composite membrane is characterized by comprising the following steps: in the preparation process of the flexible composite film, the two ends of the CNT film are electrified, the temperature is raised to the required temperature by using Joule heat generated by the self resistance of the film, and MXene on the surface of the CNT film is rapidly oxidized in situ, so that the TiO is rapidly and efficiently prepared 2 And (3) nanoparticles.
2. The method for preparing the carbon nanotube/titanium dioxide flexible composite membrane according to claim 1, wherein the method comprises the following steps: the required electrifying voltage or current is low, the film can be heated to the required temperature in a short time of seconds and then is prepared subsequently, and the energy consumption is reduced.
3. The method for preparing the carbon nanotube/titanium dioxide flexible composite membrane according to claim 1, wherein the method comprises the following steps: the joule heat source used in the preparation process of the composite membrane comprises but is not limited to a pure carbon nanotube film, or a composite film or fabric of carbon nanotubes, graphite, graphene, carbon fibers and the like.
4. The method for preparing the carbon nanotube/titanium dioxide flexible composite membrane according to claim 1, wherein the method comprises the following steps: the MXene loading amount used in the preparation process of the composite membrane can be determined according to the required TiO 2 The content is adjusted according to different contents.
5. The method for preparing the carbon nanotube/titanium dioxide flexible composite membrane according to any one of claims 1 to 4, comprising:
1) pretreatment of the CNT film: intercepting a CNT film with a certain specification size and a thickness of 5-100 micrometers, firstly soaking the CNT film for 6 hours by using concentrated nitric acid to remove impurities such as contained catalysts and the like, and then washing the CNT film to be neutral by using deionized water, ethanol and the like;
2) preparing MXene solution: 1.2g of lithium fluoride are initially stirred with 40mL of hydrochloric acid in a polytetrafluoroethylene beaker 3After 0min, 2g of Ti 3 AlC 2 Slowly adding the raw materials into a beaker, continuously stirring for 24 hours at 35 ℃, then centrifuging and washing the solution for multiple times until the solution is neutral, adding ethanol for ultrasonic treatment for 1 hour, then centrifuging at a high speed to collect precipitates, finally adding deionized water, shaking up, performing ultrasonic treatment for 20 minutes, and centrifuging for 3 minutes at 3500 revolutions to obtain MXene dispersion liquid;
3) loading of MXene on the surface of the CNT film: mixing MXene solution and absolute ethyl alcohol uniformly, carrying out vacuum filtration on the mixture to obtain a CNT film with MXene loaded on the surface, further carrying out electrifying treatment on two ends of the composite film, and carrying out high-temperature and high-temperature quick oxidation on the MXene on the surface by using the Joule heat of the CNT film to obtain TiO by controlling the voltage or current and the electrifying time 2 And (4) nano particles, and finally preparing the carbon nano tube/titanium dioxide flexible composite membrane.
6. The method for preparing the carbon nanotube/titanium dioxide flexible composite membrane according to claim 5, wherein the method specifically comprises: 1) Intercepting a CNT film with the size of 2 x 4cm and the thickness of 10 microns, soaking the CNT film for 6 hours by using concentrated nitric acid to remove impurities such as contained catalyst and the like, and then washing the CNT film to be neutral by using deionized water; 2) etching to obtain 1mg/mL MXene solution; 3) weighing 1mL of MXene solution and 20mL of absolute ethyl alcohol, uniformly mixing, carrying out vacuum filtration on a CNT film, enabling one surface containing MXene in the composite film to face upwards, and adhering two ends of the composite film to a sample frame in a Joule heating furnace by using conductive silver adhesive; 4) inputting 6V constant voltage to the CNT/MXene composite film, maintaining for 30 s, the surface of the CNT film is about 350 ℃, and the high temperature of the Joule heat can rapidly oxidize the MXene on the surface and obtain TiO 2 And (4) nano particles, and further preparing the carbon nano tube/titanium dioxide flexible composite membrane.
7. The method for preparing the carbon nanotube/titanium dioxide flexible composite membrane according to claim 5, wherein the method specifically comprises: 1) cutting CNT film with size of 2 × 4cm and thickness of 20 μm, soaking in concentrated nitric acid for 6 hr to remove impurities such as catalyst, etc., and collecting the solutionWashing the mixture to be neutral by using deionized water; 2) etching to obtain 1mg/mL MXene solution; 3) weighing 1mL of MXene solution and 20mL of absolute ethyl alcohol, uniformly mixing, carrying out vacuum filtration on a CNT film, enabling one surface containing MXene in the composite film to face upwards, and adhering two ends of the composite film to a sample frame in a Joule heating furnace by using conductive silver adhesive; 4) inputting a constant current of 5 amperes to the CNT/MXene composite film, maintaining the constant current for 10 seconds, enabling the surface of the CNT film to be about 450 ℃, and rapidly oxidizing the MXene on the surface by the Joule heat at high temperature to obtain TiO 2 And (4) nano particles, and further preparing the carbon nano tube/titanium dioxide flexible composite membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210367859.0A CN114940490A (en) | 2022-04-08 | 2022-04-08 | Preparation method of carbon nano tube/titanium dioxide flexible composite membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210367859.0A CN114940490A (en) | 2022-04-08 | 2022-04-08 | Preparation method of carbon nano tube/titanium dioxide flexible composite membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114940490A true CN114940490A (en) | 2022-08-26 |
Family
ID=82907141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210367859.0A Pending CN114940490A (en) | 2022-04-08 | 2022-04-08 | Preparation method of carbon nano tube/titanium dioxide flexible composite membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114940490A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101409961A (en) * | 2007-10-10 | 2009-04-15 | 清华大学 | Surface heat light source, preparation method thereof and method for heating object using the same |
| CN101966449A (en) * | 2010-02-11 | 2011-02-09 | 环境保护部华南环境科学研究所 | Method for preparing multiwall carbon nanotube-supported titanium dioxide catalyst |
| US20160293341A1 (en) * | 2012-01-18 | 2016-10-06 | Northwestern University | Methods of making non-covalently bonded carbon-titania nanocomposite thin films and applications of the same |
| CN110372034A (en) * | 2019-06-14 | 2019-10-25 | 西北大学 | A kind of preparation method of two-dimensional layer black titanium dioxide |
| CN110670107A (en) * | 2019-09-19 | 2020-01-10 | 中山大学 | Titanium carbide nanosheet/carbon nanotube electromagnetic shielding film and preparation method thereof |
| CN111389365A (en) * | 2020-04-16 | 2020-07-10 | 郑州大学 | Carbon nanotube/titanium dioxide composite film and preparation method and application thereof |
-
2022
- 2022-04-08 CN CN202210367859.0A patent/CN114940490A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101409961A (en) * | 2007-10-10 | 2009-04-15 | 清华大学 | Surface heat light source, preparation method thereof and method for heating object using the same |
| CN101966449A (en) * | 2010-02-11 | 2011-02-09 | 环境保护部华南环境科学研究所 | Method for preparing multiwall carbon nanotube-supported titanium dioxide catalyst |
| US20160293341A1 (en) * | 2012-01-18 | 2016-10-06 | Northwestern University | Methods of making non-covalently bonded carbon-titania nanocomposite thin films and applications of the same |
| CN110372034A (en) * | 2019-06-14 | 2019-10-25 | 西北大学 | A kind of preparation method of two-dimensional layer black titanium dioxide |
| CN110670107A (en) * | 2019-09-19 | 2020-01-10 | 中山大学 | Titanium carbide nanosheet/carbon nanotube electromagnetic shielding film and preparation method thereof |
| CN111389365A (en) * | 2020-04-16 | 2020-07-10 | 郑州大学 | Carbon nanotube/titanium dioxide composite film and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20220041456A1 (en) | Diatomaceous energy storage devices | |
| Mohanta et al. | Tin oxide nanostructured materials: an overview of recent developments in synthesis, modifications and potential applications | |
| CN109306498B (en) | Preparation method, product and application of two-dimensional ultrathin niobium disulfide nanosheet | |
| CN102297881B (en) | Preparation method of titanium dioxide nanotube based hydrogen sensor | |
| CN108597892B (en) | Nano-porous copper-loaded copper-based oxide composite material with controllable morphology as well as preparation method and application thereof | |
| WO2014032399A1 (en) | Method for low-temperature preparation of graphene and of graphene-based composite material | |
| CN104477887A (en) | Method for preparing graphene from microcrystalline graphite | |
| Ahmad et al. | Enhanced photoelectrochemical water splitting using gadolinium doped titanium dioxide nanorod array photoanodes | |
| Zhu et al. | Synthesis and characterization of highly-ordered ZnO/PbS core/shell heterostructures | |
| Pang et al. | Synthesis of α-Bi2Mo3O12/TiO2 nanotube arrays for photoelectrochemical COD detection application | |
| Madurai Ramakrishnan et al. | UV‐aided graphene oxide reduction by TiO2 towards TiO2/reduced graphene oxide composites for dye‐sensitized solar cells | |
| Patil et al. | Influence of reduced graphene oxide-TiO2 composite nanofibers in organic indoline DN350 based dye sensitized solar cells | |
| CN109179489A (en) | The preparation method and product of a kind of two-dimensional ultrathin stannous sulfide nanometer sheet and application | |
| TW201536879A (en) | Printed energy storage device, membrane for energy storage device and ink for printed film | |
| Munir et al. | Synergistic effect of noble metal doping and composite formation to boost the electrochemical properties of vanadium pentoxide | |
| CN108823601A (en) | A kind of preparation method of metal oxide/graphene composite film | |
| JP2006324011A (en) | Manufacturing method of porous structure and manufacturing method of photoelectric conversion element | |
| Hameed et al. | Fabrication of electrospun nickel sulphide nanoparticles onto carbon nanofibers for efficient urea electro-oxidation in alkaline medium | |
| Kang et al. | Preparation and characterization of nickel nanoparticles decorated carbon fibers derived from discarded ostrich eggshell membranes for supercapacitors application | |
| Rased et al. | Introduction to solar energy and its conversion into electrical energy by using dye-sensitized solar cells | |
| CN114940490A (en) | Preparation method of carbon nano tube/titanium dioxide flexible composite membrane | |
| CN114455586A (en) | W-shaped steel plate2Rapid preparation method of C nanoparticles | |
| JP4876288B2 (en) | Expanded carbon fiber, method for producing the same, and solar cell | |
| KR101456477B1 (en) | Graphene-based Device of Thin-film Supercapacitor Electrode directly using Graphene-oxide Solution and Maunufacturing Method thereof | |
| WO2020222260A1 (en) | A process of preparing transition metal doped hollow carbon nano-bubble and applications thereof |
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 |