CN110844978A - Silver nanowire electrode applied to photoelectrocatalysis - Google Patents
Silver nanowire electrode applied to photoelectrocatalysis Download PDFInfo
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- CN110844978A CN110844978A CN201911149524.6A CN201911149524A CN110844978A CN 110844978 A CN110844978 A CN 110844978A CN 201911149524 A CN201911149524 A CN 201911149524A CN 110844978 A CN110844978 A CN 110844978A
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 239000002042 Silver nanowire Substances 0.000 title claims abstract description 32
- 239000000758 substrate Substances 0.000 claims abstract description 28
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 14
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000008367 deionised water Substances 0.000 claims abstract description 10
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 10
- 239000000853 adhesive Substances 0.000 claims abstract description 7
- 230000001070 adhesive effect Effects 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 claims description 16
- 238000000576 coating method Methods 0.000 claims description 16
- 239000000243 solution Substances 0.000 claims description 14
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 12
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 12
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 12
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims description 12
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000004642 Polyimide Substances 0.000 claims description 4
- 230000001678 irradiating effect Effects 0.000 claims description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 4
- -1 polyethylene terephthalate Polymers 0.000 claims description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 4
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 4
- 229920001721 polyimide Polymers 0.000 claims description 4
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 4
- 239000011241 protective layer Substances 0.000 claims description 4
- 230000010355 oscillation Effects 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000006228 supernatant Substances 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 239000011941 photocatalyst Substances 0.000 abstract description 7
- 239000003054 catalyst Substances 0.000 abstract description 5
- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 abstract description 3
- 229960000907 methylthioninium chloride Drugs 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 238000001035 drying Methods 0.000 abstract 1
- 239000003344 environmental pollutant Substances 0.000 abstract 1
- 238000001782 photodegradation Methods 0.000 abstract 1
- 231100000719 pollutant Toxicity 0.000 abstract 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 12
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
- 239000011787 zinc oxide Substances 0.000 description 6
- 238000004070 electrodeposition Methods 0.000 description 5
- 239000004925 Acrylic resin Substances 0.000 description 3
- 229920000178 Acrylic resin Polymers 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001699 photocatalysis Effects 0.000 description 3
- 238000007146 photocatalysis Methods 0.000 description 3
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 3
- 239000004408 titanium dioxide Substances 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 2
- 229910001868 water Inorganic materials 0.000 description 2
- 229910021511 zinc hydroxide Inorganic materials 0.000 description 2
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005661 hydrophobic surface Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- MCPLVIGCWWTHFH-UHFFFAOYSA-L methyl blue Chemical compound [Na+].[Na+].C1=CC(S(=O)(=O)[O-])=CC=C1NC1=CC=C(C(=C2C=CC(C=C2)=[NH+]C=2C=CC(=CC=2)S([O-])(=O)=O)C=2C=CC(NC=3C=CC(=CC=3)S([O-])(=O)=O)=CC=2)C=C1 MCPLVIGCWWTHFH-UHFFFAOYSA-L 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46133—Electrodes characterised by the material
- C02F2001/46138—Electrodes comprising a substrate and a coating
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
Abstract
The invention discloses a silver nanowire electrode applied to photoelectrocatalysis, the silver nanowire electrode is a conductive film, the conductive film comprises an ink layer and a substrate, the ink layer is attached to and covers the substrate, the ink layer is formed by mixing 1-10% of silver nanowires, 1-3% of an adhesive, 0.5-1.5% of a flatting agent, 0.5-2% of an antifoaming agent and 83.5-97% of deionized water, the obtained ink layer covers the substrate, then drying and curing are carried out, and finally the conductive film of the silver nanowire is obtained. And then taking the conductive film as a cathode, selecting a metal corresponding to the catalyst for an anode, electrifying to finally obtain the photocatalyst, and realizing the photodegradation of pollutants such as methylene blue and the like.
Description
Technical Field
The invention relates to the field of electrode catalysis, in particular to a silver nanowire electrode applied to photoelectrocatalysis.
Background
The main property of ITO is its combination of "electrical conductivity" and "optical transparency", which is one of the main materials for the preparation of traditional rigid products. However, ITO materials are expensive, ITO layers are fragile and lack flexibility, and flexible panels cannot be made, and in addition, the current mainstream photocatalyst is mainly powder and can be loaded on a substrate by using an electrodeposition method, so that the recycling step is saved, the secondary pollution of the photocatalyst to the environment is reduced, and meanwhile, the current conductive substrate is mainly ITO and FTO conductive materials, such as: the ITO glass is a plane, and a conducting layer cannot be sufficiently covered on a complex curved surface, so that the material of the device for carrying the photocatalyst in the electro-deposition process is incomplete, and the catalytic degradation effect is insufficient.
Disclosure of Invention
Aiming at the defects in the technology, the invention provides the silver nanowire electrode applied to the photoelectrocatalysis, which is coated on various substrates by using printing ink and utilizes an electrodeposition catalyst to realize the photoelectrocatalysis of organic pollutants.
In order to achieve the purpose, the invention provides a silver nanowire electrode applied to photoelectrocatalysis, the silver nanowire electrode is a conductive film, the conductive film comprises an ink layer and a substrate, the ink layer is attached to and covers the substrate, the ink layer is formed by mixing 1-10% of silver nanowires, 1-3% of an adhesive, 0.5-1.5% of a leveling agent, 0.5-2% of an antifoaming agent and 83.5-97% of deionized water, the obtained ink layer covers the substrate, and then baking and curing treatment are carried out, so that the conductive film of the silver nanowire is obtained finally.
Preferably, the obtaining step of the nano silver wire conductive film is as follows:
s1, weighing 1g of hydroxypropyl methylcellulose (HPMC), adding into 1000g of deionized water, and uniformly dispersing at the stirring speed of 1800-2200r/min at the temperature of 50 ℃; taking the supernatant after 4 hours to obtain hydroxypropyl methylcellulose solution with the mass fraction of 0.099-0.109% to be used as an adhesive;
s2: weighing 1% by mass of a nano-silver wire aqueous solution, adding a defoaming agent, a leveling agent, the hydroxypropyl methyl cellulose solution obtained in the step S1 and deionized water, placing on a rotary oscillator, and performing rotary oscillation for 20 minutes at 40-80r/min to obtain a nano-silver wire coating liquid;
s3, coating the nano silver wire coating liquid on a substrate, and placing the substrate in an oven at the temperature of 120-130 ℃ for baking for 2-3 minutes to obtain a primary conductive film;
s4: and (3) coating an ultraviolet curing resin solution on the surface of the primary conductive film, baking the primary conductive film in an oven at the temperature of 105-110 ℃ for 1-2 minutes, and then irradiating the primary conductive film for 1-2 minutes under the irradiation of ultraviolet light to obtain the nano silver wire conductive film with the hardened protective layer.
Preferably, the nano silver wire of the nano silver wire aqueous solution selected in step S2 has a length of 20 to 30um and a wire diameter of 20 to 30 nm.
Preferably, in step S4, the wavelength range of the ultraviolet light is 275-320nm, and the irradiation power is 300-1200 w.
Preferably, the leveling agent is one of dike height 450 and dike height 430.
Preferably, the defoaming agent is one of isopropyl alcohol and a silicone defoaming agent.
Preferably, the substrate is one of polyethylene terephthalate, polymethyl methacrylate, and polyimide.
The invention has the beneficial effects that: the invention takes the nano silver wire as the base, prepares the coating liquid, coats the coating liquid on the transparent film, and coats the hardening protective layer to obtain the transparent conductive film, which replaces the existing ITO conductive film. Based on the transparent conductive film, performing electrodeposition photocatalysis to obtain a flexible conductive film, and performing photocatalytic degradation; the coating layer can be coated on a substrate with any structure, so that the specific area is increased, more catalysts are electrodeposited, and the catalytic effect is better.
Drawings
FIG. 1 is a flow chart of the steps of the present invention.
Detailed Description
In order to more clearly describe the present invention, the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1, the invention discloses a silver nanowire electrode applied to photoelectrocatalysis, the silver nanowire electrode is a conductive film, the conductive film comprises an ink layer and a substrate, the ink layer is attached to and covers the substrate, the ink layer is formed by mixing 1-10% of silver nanowires, 1-3% of an adhesive, 0.5-1.5% of a flatting agent, 0.5-2% of an antifoaming agent and 83.5-97% of deionized water, the obtained ink layer covers the substrate, and then baking and curing treatment are carried out, and finally the conductive film of the silver nanowire is obtained. In this embodiment, the silver nanowires are used to replace indium, and simultaneously, the silver nanowires are matched with corresponding components, so that the performance of the silver nanowires is optimized, the production cost is reduced, and in order to stably perform photocatalysis, particularly, curing treatment is performed, so that the catalyst can be reacted more quickly, and the purpose of catalysis is achieved.
In order to realize the purpose, firstly, a nano silver wire conductive film is prepared; the acquisition steps are as follows:
s1, weighing 1g of hydroxypropyl methylcellulose (HPMC), adding into 1000g of deionized water, and uniformly dispersing at the stirring speed of 1800-2200r/min at the temperature of 50 ℃; taking the supernatant after 4 hours to obtain hydroxypropyl methylcellulose solution with the mass fraction of 0.099-0.109% to be used as an adhesive;
s2: weighing 1% by mass of a nano-silver wire aqueous solution, adding a defoaming agent, a leveling agent, the hydroxypropyl methyl cellulose solution obtained in the step S1 and deionized water, placing on a rotary oscillator, and performing rotary oscillation for 20 minutes at 40-80r/min to obtain a nano-silver wire coating liquid;
s3, coating the nano silver wire coating liquid on a substrate, and placing the substrate in an oven at the temperature of 120-130 ℃ for baking for 2-3 minutes to obtain a primary conductive film;
s4: and (3) coating an ultraviolet curing resin solution on the surface of the primary conductive film, baking the primary conductive film in an oven at the temperature of 105-110 ℃ for 1-2 minutes, and then irradiating the primary conductive film for 1-2 minutes under the irradiation of ultraviolet light to obtain the nano silver wire conductive film with the hardened protective layer.
In a specific embodiment, the length of the nano silver wire aqueous solution selected in step S2 is 20-30um, and the wire diameter is 20-30 nm; in step S4, the wavelength range of the ultraviolet light is 275-320nm, and the irradiation power is 300-1200 w; the leveling agent is one of digao 450 and digao 430; the defoaming agent is one of isopropanol and an organic silicon defoaming agent; the substrate is one of polyethylene terephthalate, polymethyl methacrylate and polyimide. Firstly, selecting a nano silver wire aqueous solution with the size, wherein the nano silver wire with the size can be matched with other components in an ink layer so as to achieve the optimal use effect, then selecting a polyether siloxane leveling agent as the leveling agent, mainly taking Digao 450 and Digao 430 as representatives, and thus helping a coating to obtain a paint film surface, wherein a compact lubricating layer is helpful for dynamic smoothness between a solid object and the paint film surface; meanwhile, the friction coefficient can be reduced, the coating film is prevented from being scratched, the abrasion can be reduced, a hydrophobic surface is formed, and the surface tension is effectively reduced; the defoaming agent is added, so that the surface tension can be effectively reduced, and the generation of foam is inhibited; the substrate is used as the covering surface of the ink layer, and needs to have better affinity, so that one of polyethylene terephthalate, polymethyl methacrylate and polyimide is selected. The ultraviolet light curing resin is one of epoxy acrylic resin, polyurethane acrylic resin and polyester acrylic resin; the selection of the curing resin depends on the rapid curing under the irradiation of ultraviolet light, the curing efficiency is high, and the tensile strength and the chemical resistance are strong; thereby having longer service life.
The working and principle of the application are described in the following with specific embodiments:
depositing zinc oxide on the surface of the conductive film by taking a zinc plate as a positive electrode, a nano silver wire conductive film as a negative electrode and a zinc nitrate solution as electrolyte, thereby obtaining a nano silver wire/zinc oxide flexible electrode; then placing the electrode in a methyl blue solution, and irradiating for 10min under the condition of ultraviolet light to carry out photocatalytic degradation on the methylene blue solution, wherein the degradation rate is up to 90%; the capture principle of this photocatalysis is represented by the following equation:
O2+2H20+4e→4OH-NO3 -+H20+2e→NO2 -+2OH-
Ag+OH-Ag→-OH-ad Zn2++2OH-ad→Zn(OH)2
Zn(OH)2→ZnO+H2O
namely, after electrification and catalysis, photocatalyst zinc oxide is generated, and the zinc oxide is used for carrying out photocatalytic degradation on the methylene blue solution; certainly, the application is not limited to this, and methanol may also be used to dissolve titanium chloride, hydrogen peroxide is added to the titanium chloride to obtain an electrolyte, titanium metal is used as an anode, a silver nanowire conductive film is used as a cathode, titanium dioxide is deposited on the conductive film surface to obtain a silver nanowire/titanium dioxide flexible electrode, the obtaining principle of titanium dioxide is similar to that of zinc oxide, and repeated description is omitted here.
The invention has the advantages that:
1) the ink is matched with the curing agent, so that the ink can be adapted to substrates of various shapes, the specific area is increased, more catalysts are electrodeposited, and the catalytic effect is better;
2) the photocatalyst can be loaded on the substrate by using an electrodeposition method, so that the recovery step is saved, and the secondary pollution of the photocatalyst to the environment is reduced.
The above disclosure is only for a few specific embodiments of the present invention, but the present invention is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (7)
1. The silver nanowire electrode is characterized in that the silver nanowire electrode is a conductive film, the conductive film comprises an ink layer and a substrate, the ink layer is attached to and covers the substrate, the ink layer is formed by mixing 1-10% of silver nanowires, 1-3% of an adhesive, 0.5-1.5% of a flatting agent, 0.5-2% of an antifoaming agent and 83.5-97% of deionized water, the obtained ink layer covers the substrate, and then baking and curing treatment are carried out, so that the conductive film of the silver nanowire is obtained finally.
2. The silver nanowire electrode of claim 1, wherein the obtaining of the conductive film of the silver nanowire is as follows:
s1, weighing 1g of hydroxypropyl methylcellulose (HPMC), adding into 1000g of deionized water, and uniformly dispersing at the stirring speed of 1800-2200r/min at the temperature of 50 ℃; taking the supernatant after 4 hours to obtain hydroxypropyl methylcellulose solution with the mass fraction of 0.099-0.109% to be used as an adhesive;
s2: weighing 1% by mass of a nano-silver wire aqueous solution, adding a defoaming agent, a leveling agent, the hydroxypropyl methyl cellulose solution obtained in the step S1 and deionized water, placing on a rotary oscillator, and performing rotary oscillation for 20 minutes at 40-80r/min to obtain a nano-silver wire coating liquid;
s3, coating the nano silver wire coating liquid on a substrate, and placing the substrate in an oven at the temperature of 120-130 ℃ for baking for 2-3 minutes to obtain a primary conductive film;
s4: and (3) coating an ultraviolet curing resin solution on the surface of the primary conductive film, baking the primary conductive film in an oven at the temperature of 105-110 ℃ for 1-2 minutes, and then irradiating the primary conductive film for 1-2 minutes under the irradiation of ultraviolet light to obtain the nano silver wire conductive film with the hardened protective layer.
3. The silver nanowire electrode of claim 2, wherein the length of the nano-silver wire of the aqueous nano-silver wire solution selected in step S2 is 20-30um, and the wire diameter is 20-30 nm.
4. The silver nanowire electrode as claimed in claim 2, wherein in step S4, the wavelength range of the ultraviolet light is 275-320nm, and the irradiation power is 300-1200 w.
5. The silver nanowire electrode of claim 1, wherein the leveling agent is one of dike height 450 and dike height 430.
6. The silver nanowire electrode of claim 1, wherein the antifoaming agent is one of isopropyl alcohol and a silicone antifoaming agent.
7. The silver nanowire electrode of claim 1, wherein the substrate is one of polyethylene terephthalate, polymethyl methacrylate, polyimide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911149524.6A CN110844978A (en) | 2019-11-21 | 2019-11-21 | Silver nanowire electrode applied to photoelectrocatalysis |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911149524.6A CN110844978A (en) | 2019-11-21 | 2019-11-21 | Silver nanowire electrode applied to photoelectrocatalysis |
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| CN110844978A true CN110844978A (en) | 2020-02-28 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101319259B1 (en) * | 2012-07-11 | 2013-10-17 | 대한잉크 주식회사 | Silver nano wires water-based ink for a transparent electrode and method for forming the transparent electrode using the same |
| CN104658700A (en) * | 2015-01-23 | 2015-05-27 | 华南师范大学 | Preparation method for transparent silver nanowire conducting electrode |
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