CN115094622A - Carbon cloth substrate cerium dioxide/titanium dioxide nanowire double-layer composite membrane and preparation technology thereof - Google Patents
Carbon cloth substrate cerium dioxide/titanium dioxide nanowire double-layer composite membrane and preparation technology thereof Download PDFInfo
- Publication number
- CN115094622A CN115094622A CN202210839153.XA CN202210839153A CN115094622A CN 115094622 A CN115094622 A CN 115094622A CN 202210839153 A CN202210839153 A CN 202210839153A CN 115094622 A CN115094622 A CN 115094622A
- Authority
- CN
- China
- Prior art keywords
- carbon cloth
- cerium
- growing
- double
- layer composite
- 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
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 title claims abstract description 68
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 51
- 239000004744 fabric Substances 0.000 title claims abstract description 51
- 239000012528 membrane Substances 0.000 title claims abstract description 40
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 239000002131 composite material Substances 0.000 title claims abstract description 27
- 239000000758 substrate Substances 0.000 title claims description 9
- 238000002360 preparation method Methods 0.000 title description 9
- 238000005516 engineering process Methods 0.000 title description 5
- 239000002245 particle Substances 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 18
- 150000003839 salts Chemical class 0.000 claims abstract description 18
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 11
- 238000004140 cleaning Methods 0.000 claims abstract description 9
- 239000008367 deionised water Substances 0.000 claims abstract description 7
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims abstract 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 32
- 238000006243 chemical reaction Methods 0.000 claims description 13
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 9
- 239000002070 nanowire Substances 0.000 claims description 9
- 239000010936 titanium Substances 0.000 claims description 7
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 claims description 6
- 230000035484 reaction time Effects 0.000 claims description 5
- 150000000703 Cerium Chemical class 0.000 claims description 4
- 229920000877 Melamine resin Polymers 0.000 claims description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- VYLVYHXQOHJDJL-UHFFFAOYSA-K cerium trichloride Chemical compound Cl[Ce](Cl)Cl VYLVYHXQOHJDJL-UHFFFAOYSA-K 0.000 claims description 3
- OZECDDHOAMNMQI-UHFFFAOYSA-H cerium(3+);trisulfate Chemical compound [Ce+3].[Ce+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O OZECDDHOAMNMQI-UHFFFAOYSA-H 0.000 claims description 3
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- 238000000354 decomposition reaction Methods 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 239000002105 nanoparticle Substances 0.000 abstract description 11
- 230000001699 photocatalysis Effects 0.000 abstract description 8
- 238000007146 photocatalysis Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000012695 Ce precursor Substances 0.000 abstract 1
- 238000002441 X-ray diffraction Methods 0.000 description 6
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 6
- 239000004408 titanium dioxide Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 239000002086 nanomaterial Substances 0.000 description 4
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 4
- 229910000420 cerium oxide Inorganic materials 0.000 description 3
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 3
- 235000010344 sodium nitrate Nutrition 0.000 description 3
- 239000004317 sodium nitrate Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 238000012983 electrochemical energy storage Methods 0.000 description 2
- 238000001941 electron spectroscopy Methods 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 235000010333 potassium nitrate Nutrition 0.000 description 2
- 239000004323 potassium nitrate Substances 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 238000007259 addition reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/45—Oxides or hydroxides of elements of Groups 3 or 13 of the Periodic System; Aluminates
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic System; Titanates; Zirconates; Stannates; Plumbates
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/40—Fibres of carbon
Abstract
The invention discloses a method for growing a cerium dioxide/titanium dioxide nanowire double-layer composite membrane material on the surface of carbon cloth, which mainly comprises the following steps: placing the carbon cloth and the molten salt in a muffle furnace at a specific temperature for reacting for a certain time; adding cerium precursor salt into the mixture to react for a preset time; taking out, cooling to room temperature, ultrasonically cleaning and drying by using deionized water, and rapidly growing a cerium dioxide nanoparticle film on the surface of the carbon cloth by adopting a low-temperature molten salt method; then immersing the reacted carbon cloth in a hydrogen peroxide system, and reacting for a certain time at a certain temperature; finally, the titanium dioxide nano-wire can grow on the surface of the cerium dioxide particle film by heat treatment. The method is simple and convenient, easy to operate and low in cost, can obtain the double-layer composite oxide with the cerium dioxide particles/titanium dioxide nanowires growing on the surface of the carbon cloth, and can be applied to the fields of environmental photocatalysis and the like.
Description
Technical Field
The invention relates to a cerium dioxide/titanium dioxide nanowire double-layer composite membrane firmly attached to the surface of carbon cloth and a preparation technology thereof, which are applied to the fields of photocatalytic environment treatment and the like.
Background
The cerium dioxide is a high-abundance rare earth oxide, has good chemical stability, is environment-friendly and has lower price. Due to the unique chemical properties brought by the unique 4f electronic structure, cerium dioxide has potential application in the fields of catalysis, fuel cells, supercapacitors and the like. Meanwhile, titanium dioxide with chemical stability, low toxicity and environmental protection is widely concerned in the fields of photocatalysis, gas sensitive materials and energy. Researches show that the cerium dioxide/titanium dioxide composite oxide has a synergistic effect and shows better performance when applied in the aspects of photocatalysis, electrochemical energy storage and the like.
The carbon-based material is used as a substrate, so that the high adsorption characteristic of the carbon-based material can be exerted in the aspect of photocatalytic application, and target pollutants are enriched; in the aspect of electrochemical energy storage application, the conductivity of the metal oxide can be improved, the metal oxide can be used as a current collector and can play a role of a double electric layer, and the specific capacitance of the composite electrode material is greatly improved.
The preparation of the prior cerium dioxide/titanium dioxide composite material is mainly in a powder form, and the preparation method comprises a hydrothermal method, a reaction deposition method and the like. For example, the invention patent CN 110605111 a discloses a method for preparing a ceria/titania heterojunction micro-nano material by hydrothermal, calcination and solvothermal combination technologies, which is applied to the field of photocatalysis; the invention patent CN 108927135A adopts a hydrothermal technology to prepare a cerium dioxide/titanium dioxide composite mesoporous sphere.
The invention discloses a cerium dioxide/titanium dioxide nanowire double-layer composite membrane structure firmly attached to the surface of carbon cloth, which can play a synergistic effect of two oxides and can be directly used as a photocatalytic film. The preparation method is convenient and controllable, and is beneficial to large-scale production.
Disclosure of Invention
The invention aims to provide a cerium dioxide/titanium dioxide nanowire double-layer composite membrane growing on the surface of carbon cloth and a preparation method thereof.
The technical scheme adopted by the invention is as follows:
a cerium dioxide/titanium dioxide nanowire double-layer composite membrane material growing on the surface of carbon cloth comprises the carbon cloth, cerium dioxide nanoparticles and titanium dioxide nanowires.
Further, the cerium dioxide nano particles are grown on the carbon cloth substrate through a low-temperature molten salt method, and then titanium dioxide nano wires are grown on the cerium dioxide nano particle film through a low-temperature open hydrogen peroxide system, so that the cerium dioxide particle/titanium dioxide nano wire double-layer composite film is formed.
Further, the specific preparation method comprises the following steps:
1) cleaning and drying the carbon cloth to obtain a clean substrate;
2) growing a cerium dioxide nanoparticle film on a carbon cloth substrate;
heating to a preset temperature, putting the molten salt into a muffle furnace for reaction to enable the molten salt to be in a molten state, putting into a carbon cloth, adding cerium salt into the carbon cloth for reaction for a certain time, taking out and cooling to room temperature, ultrasonically cleaning with deionized water, and drying the cleaned carbon cloth to obtain a cerium dioxide particle membrane uniformly covered on the surface of the carbon cloth;
3) growing titanium dioxide nanowires on the cerium dioxide particle membrane;
immersing the sample obtained in the step 2) into a hydrogen peroxide reaction system consisting of hydrogen peroxide, nitric acid and melamine, adding excessive titanium sponge as a titanium source, reacting for a certain time at 80 ℃, cleaning, drying, and then carrying out heat treatment at 450 ℃ to obtain titanium dioxide nanowires uniformly covered on the surface of the cerium dioxide particle membrane, namely growing the cerium dioxide/titanium dioxide nanowire double-layer composite membrane material on the surface of the carbon cloth.
Further, in the step 2), the molten salt may be KNO 3 Or NaNO 3 Or KNO 3 Or NaNO 3 The predetermined temperature is higher than the melting point of the molten salt and lower than the decomposition temperature of the molten salt, the cerium salt can be cerium sulfate, cerium nitrate, cerium chloride and the like, and the addition reaction time range is 10-120 s.
Furthermore, in the step 3), the reaction time at 80 ℃ is within the range of 12-48 h.
According to the invention, the nano cerium dioxide particle membrane is grown on the surface of the carbon cloth by a low-temperature molten salt method, and then the titanium dioxide nanowire is grown on the surface of the cerium dioxide particle membrane by using a low-temperature open hydrogen peroxide system to form the cerium dioxide/titanium dioxide nanowire double-layer composite membrane.
Drawings
FIG. 1 is a SEM photograph of a film of ceria particles grown on a carbon cloth as prepared in example 1;
FIG. 2 is a SEM photograph of a film of ceria particles grown on a carbon cloth as prepared in example 2;
FIG. 3 is a SEM photograph of a film of ceria particles grown on a carbon cloth prepared in example 3;
FIG. 4 is an X-ray diffraction pattern of the ceria particle membranes prepared in examples 1-3 (the graphs illustrate that a is the product of example 1, b is the product of example 2, and c is the product of example 3);
FIG. 5 is a SEM photograph of growing titanium dioxide nanowires on the surface of the ceria particle membrane prepared in example 4;
FIG. 6 is a SEM photograph of growing titanium dioxide nanowires on the surface of the ceria particle membrane prepared in example 5;
FIG. 7 is a cross-sectional SEM photograph of the titanium dioxide nanowires grown on the surface of the ceria particles prepared in example 5;
FIG. 8 is a surface scanning elemental distribution diagram of the titanium dioxide nanowires grown on the surface of the ceria particle membrane prepared in example 5 (the drawings show that (a) is a scanning electron microscope image of the titanium dioxide nanowires grown on the surface of the ceria particle membrane, (b) is a scanning distribution diagram of all elements, (c) is an oxygen distribution diagram, (d) is a titanium distribution diagram, and (e) is a cerium distribution diagram);
fig. 9 is an X-ray diffraction pattern of the titanium dioxide nanowires grown on the surface of the cerium oxide particle membrane prepared in example 5.
Detailed Description
The present invention will be further illustrated with reference to the following examples, but the present invention is not limited to only the following examples.
Example 1
1) Ultrasonically cleaning 2 x 4cm carbon cloth by using deionized water and ethanol, and drying to obtain a clean substrate;
2) 5g of sodium nitrate is completely melted at 350 ℃ and then put into a carbon cloth to react for 120 s;
3) adding 0.12g of cerium nitrate into a reaction system of carbon cloth and sodium nitrate to react for 120 s;
4) taking out the product obtained in the step 3), cooling to room temperature, and ultrasonically cleaning with deionized water;
5) and putting the product subjected to ultrasonic cleaning into a 60 ℃ oven for drying.
FIG. 1 shows SEM pictures showing that ceria is in the form of particles with different sizes, and the diameter of the stacked nanoparticles is about 160 nm. The X-ray diffraction pattern of the obtained nano material is shown as a curve a in figure 4, and the result shows that the cerium dioxide nano particle membrane is prepared.
Example 2
1) Same as example 1, step 1);
2) 4g of potassium nitrate is completely melted at 380 ℃ and then put into a carbon cloth to react for 120 s;
3) adding 0.20g of cerium chloride into a reaction system of carbon cloth and potassium nitrate to react for 90 s;
4) same as example 1, step 4);
5) same as example 1, step 5).
FIG. 2 shows SEM pictures showing that ceria is in the form of particles with different sizes, and the diameter of the stacked nanoparticles is about 200 nm. The X-ray diffraction pattern of the obtained nanomaterial is shown in fig. 4, curve b, and the result shows that the cerium dioxide nanoparticle membrane is prepared.
Example 3
1) Same as example 1, step 1);
2) same as example 1, step 2);
3) adding 0.40g of cerium sulfate into a reaction system of carbon cloth and sodium nitrate to react for 20 s;
4) same as example 1, step 4);
5) same as example 1, step 5).
FIG. 3 shows SEM pictures showing that cerium oxide is in the form of relatively dispersed particles, and the diameter of the formed nanoparticles is about 100 nm. The X-ray diffraction pattern of the obtained nano material is shown as a curve c in figure 4, and the result shows that the cerium oxide nano particle film is prepared.
Example 4
1) Same as example 1, step 1);
2) same as example 1, step 2);
3) same as example 1, step 3);
4) same as example 1, step 4);
5) same as example 1, step 5);
6) adding 1mL of nitric acid and 30mg of melamine into 25mL of hydrogen peroxide solution with the mass concentration of 30% to prepare reaction liquid;
7) immersing the carbon cloth with the cerium dioxide particles obtained in the step 5) into the reaction solution obtained in the step 6), adding 0.2g of sponge titanium as a titanium source, and reacting for 12 hours at 80 ℃;
8) washing with deionized water, drying, and heat treating at 450 deg.C for 1 hr to grow nanometer titania line on the surface of the cerium dioxide particle film.
FIG. 5 is a scanning electron micrograph showing that the reaction time of 12h can grow titanium dioxide nanowires on the surface of a cerium dioxide particle film, and the length of the nanowires is about 0.55 μm.
Example 5
1) Same as example 4, step 1);
2) same as example 4, step 2);
3) same as example 4, step 3);
4) same as example 4, step 4);
5) same as example 4, step 5);
6) same as example 4, step 6);
7) immersing the carbon cloth with the cerium dioxide particles obtained in the step 5) into the reaction solution obtained in the step 6), adding 0.2g of sponge titanium as a titanium source, and reacting for 48 hours at 80 ℃;
8) washing with deionized water, drying, and heat treating at 450 deg.C for 1 hr to grow nanometer titania line on the surface of cerium dioxide particle.
Fig. 6 shows a scanning electron micrograph showing that titanium dioxide is in a nanowire form, fig. 7 shows a sectional view showing that a large number of titanium dioxide nanowires are covered on the surface of a ceria particle membrane, the length of each nanowire is about 0.65 μm, an EDS (electron spectroscopy) chart of fig. 8 shows that ceria particle membrane composite titanium dioxide nanowires growing on carbon cloth are uniformly distributed, and an X-ray diffraction chart of fig. 9 shows that a graphite phase, ceria and titanium dioxide exist, and the titanium dioxide nanowires are mainly in an anatase phase and also have a small amount of a brookite phase.
The material prepared by the method can be directly used as a photocatalytic film, and is quick and convenient. The adopted preparation method has low cost, safety, environmental protection, convenience and controllability.
Claims (10)
1. A method for growing a cerium dioxide/titanium dioxide nanowire double-layer composite membrane material on the surface of carbon cloth is characterized in that a cerium dioxide particle membrane is grown on the carbon cloth, and a titanium dioxide nanowire is grown on the cerium dioxide particle membrane.
2. The method for growing the cerium dioxide/titanium dioxide nanowire double-layer composite membrane material on the surface of the carbon cloth as claimed in claim 1, wherein the growth of the cerium dioxide particles on the carbon cloth is realized by one step through a low-temperature molten salt method.
3. The method for growing the cerium dioxide/titanium dioxide nanowire double-layer composite membrane material on the surface of the carbon cloth according to claim 1, wherein the titanium dioxide nanowire growing on the cerium dioxide particle membrane is prepared by opening a hydrogen peroxide system at a low temperature.
4. The method for growing the cerium dioxide/titanium dioxide nanowire double-layer composite membrane material on the surface of the carbon cloth according to any one of claims 1 to 3, which comprises the following main steps:
1) cleaning and drying the carbon cloth substrate;
2) growing a cerium dioxide particle film on a carbon cloth substrate;
heating to a preset temperature, putting the molten salt into a muffle furnace for reaction to enable the molten salt to be in a molten state, putting the molten salt into a carbon cloth for reaction, then adding cerium salt into the molten salt for reaction for a certain time, taking out the mixture, cooling the mixture to room temperature, ultrasonically cleaning the mixture with deionized water, and drying the cleaned carbon cloth to obtain a cerium dioxide particle membrane uniformly covered on the surface of the carbon cloth;
3) growing titanium dioxide nanowires on the cerium dioxide particle membrane;
immersing the sample obtained in the step 2) into a hydrogen peroxide reaction system consisting of hydrogen peroxide, nitric acid and melamine, adding excessive titanium sponge as a titanium source, reacting for a certain time at 80 ℃, cleaning, drying and then carrying out heat treatment to obtain titanium dioxide nanowires uniformly covered on the surfaces of cerium dioxide particles, namely growing a cerium dioxide/titanium dioxide nanowire double-layer composite membrane material on the surface of carbon cloth.
5. The method for growing the ceria/titania nanowire double-layer composite membrane material on the surface of the carbon cloth according to claim 4, wherein the molten salt in the step 2) may be KNO 3 Or NaNO 3 。
6. The method for growing the ceria/titania nanowire double-layer composite membrane material on the surface of the carbon cloth according to claim 4, wherein the molten salt in the step 2) may be KNO 3 And NaNO 3 Either one or both of them.
7. The method for growing the ceria/titania nanowire double-layer composite membrane material on the surface of the carbon cloth according to claim 4, wherein the predetermined temperature in the step 2) is higher than a melting point of the molten salt and lower than a decomposition temperature thereof.
8. The method for growing the ceria/titania nanowire double-layer composite membrane material on the surface of the carbon cloth according to claim 4, wherein the cerium salt in the step 2) may be one or more of cerium sulfate, cerium nitrate and cerium chloride.
9. The method for growing the ceria/titania nanowire double-layer composite membrane material on the surface of the carbon cloth according to claim 4, wherein the reaction time at 80 ℃ in the step 2) is 10-120 s.
10. The method for growing the ceria/titania nanowire double-layer composite membrane material on the surface of the carbon cloth according to claim 4, wherein the reaction time at 80 ℃ in the step 3) is 12-48 h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210839153.XA CN115094622A (en) | 2022-07-18 | 2022-07-18 | Carbon cloth substrate cerium dioxide/titanium dioxide nanowire double-layer composite membrane and preparation technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210839153.XA CN115094622A (en) | 2022-07-18 | 2022-07-18 | Carbon cloth substrate cerium dioxide/titanium dioxide nanowire double-layer composite membrane and preparation technology thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115094622A true CN115094622A (en) | 2022-09-23 |
Family
ID=83298288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210839153.XA Pending CN115094622A (en) | 2022-07-18 | 2022-07-18 | Carbon cloth substrate cerium dioxide/titanium dioxide nanowire double-layer composite membrane and preparation technology thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115094622A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101508463A (en) * | 2009-03-19 | 2009-08-19 | 浙江大学 | Method for producing nano-wire array film of titanium dioxide |
| CN102107850A (en) * | 2011-01-27 | 2011-06-29 | 湘潭大学 | Method for preparing nuclear-shell-structured rutile monocrystal titanium dioxide nanowire array with surface-cladding carbon layer |
| CN103566917A (en) * | 2013-11-06 | 2014-02-12 | 浙江大学 | Method for loading titanium dioxide nanowires on carbon fiber cloth |
| CN110092407A (en) * | 2019-04-11 | 2019-08-06 | 浙江大学 | A kind of method that molten-salt growth method prepares metal oxide or metal hydroxides nano film material |
| CN112578002A (en) * | 2020-11-27 | 2021-03-30 | 浙江大学 | Hairbrush-shaped carbon nanotube @ titanium dioxide nanowire gas-sensitive material and preparation method thereof |
| CN113152075A (en) * | 2021-05-25 | 2021-07-23 | 东莞理工学院 | Wear-resistant anti-ultraviolet antistatic super-hydrophobic fabric and preparation method thereof |
| CN113897775A (en) * | 2021-11-04 | 2022-01-07 | 北京化工大学 | Cerium dioxide coated polyimide composite nanofiber membrane and preparation method thereof |
| CN114464460A (en) * | 2020-11-09 | 2022-05-10 | 湖北芯亮新能源科技有限公司 | Photo-anode of solar cell and preparation method thereof |
-
2022
- 2022-07-18 CN CN202210839153.XA patent/CN115094622A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101508463A (en) * | 2009-03-19 | 2009-08-19 | 浙江大学 | Method for producing nano-wire array film of titanium dioxide |
| CN102107850A (en) * | 2011-01-27 | 2011-06-29 | 湘潭大学 | Method for preparing nuclear-shell-structured rutile monocrystal titanium dioxide nanowire array with surface-cladding carbon layer |
| CN103566917A (en) * | 2013-11-06 | 2014-02-12 | 浙江大学 | Method for loading titanium dioxide nanowires on carbon fiber cloth |
| CN110092407A (en) * | 2019-04-11 | 2019-08-06 | 浙江大学 | A kind of method that molten-salt growth method prepares metal oxide or metal hydroxides nano film material |
| CN114464460A (en) * | 2020-11-09 | 2022-05-10 | 湖北芯亮新能源科技有限公司 | Photo-anode of solar cell and preparation method thereof |
| CN112578002A (en) * | 2020-11-27 | 2021-03-30 | 浙江大学 | Hairbrush-shaped carbon nanotube @ titanium dioxide nanowire gas-sensitive material and preparation method thereof |
| CN113152075A (en) * | 2021-05-25 | 2021-07-23 | 东莞理工学院 | Wear-resistant anti-ultraviolet antistatic super-hydrophobic fabric and preparation method thereof |
| CN113897775A (en) * | 2021-11-04 | 2022-01-07 | 北京化工大学 | Cerium dioxide coated polyimide composite nanofiber membrane and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Zhou et al. | Semiconductor/boron nitride composites: Synthesis, properties, and photocatalysis applications | |
| Liu et al. | Hollow CdS-based photocatalysts | |
| Ge et al. | A review of TiO2 nanostructured catalysts for sustainable H2 generation | |
| Hu et al. | Synthesis, structures and applications of single component core-shell structured TiO2: a review | |
| Mohanta et al. | Tin oxide nanostructured materials: an overview of recent developments in synthesis, modifications and potential applications | |
| Shi et al. | Photocatalytic oxidation of acetone over high thermally stable TiO2 nanosheets with exposed (001) facets | |
| Chen et al. | Synthesis of titanium dioxide (TiO2) nanomaterials | |
| Yan et al. | Synthesis of porous ZnMn2O4 flower-like microspheres by using MOF as precursors and its application on photoreduction of CO2 into CO | |
| EP3617147B1 (en) | Process for preparing titanic acid salt, titanic acid, and titanium oxide having controllable particle size and hierarchical structure | |
| Wei et al. | Titanium glycolate-derived TiO2 nanomaterials: Synthesis and applications | |
| Bashiri et al. | Influence of growth time on photoelectrical characteristics and photocatalytic hydrogen production of decorated Fe2O3 on TiO2 nanorod in photoelectrochemical cell | |
| Wu et al. | Progress in the synthesis and applications of hierarchical flower-like TiO2 nanostructures | |
| CN104766963B (en) | A kind of method preparing metal-oxide carbon fiber nanometer composite material | |
| Shui et al. | Green sonochemical synthesis of cupric and cuprous oxides nanoparticles and their optical properties | |
| KR101414539B1 (en) | METHOD OF PRODUCING GRAPHENE/TiO2 COMPOSITES | |
| CN106207118A (en) | A kind of regulate and control the method for nano titanium oxide pattern of graphene coated and the product of preparation thereof and application | |
| Shao et al. | Nanotube-Based Composites: Synthesis and Applications | |
| Xu et al. | BiOCl-based photocatalysts: Synthesis methods, structure, property, application, and perspective | |
| Lin et al. | Fabrication of high specific surface area TiO2 nanopowders by anodization of porous titanium | |
| Sukkar et al. | Synthesis and characterization hybrid materials (TiO 2/MWCNTS) by chemical method and evaluating antibacterial activity against common microbial pathogens | |
| Zhang et al. | Ultralight, flexible, and semi-transparent metal oxide papers for photoelectrochemical water splitting | |
| Li et al. | Homogeneously mixed heterostructures of BiVO4/MoS2/RGO with improved photoelectrochemical performances | |
| Shen et al. | Construction of hierarchical functional nanomaterials for energy conversion and storage | |
| Hong et al. | Morphology-controllable formation of MOF-Derived C/ZrO2@ 1T-2H MoS2 heterostructure for improved electrocatalytic hydrogen evolution | |
| Masuda | Ceramic nanostructures of SnO2, TiO2, and ZnO via aqueous crystal growth: cold crystallization and morphology control |
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 |