449 results about "Oragene" patented technology

The invention discloses a composite polyacrylamide flocculant based on a nano core-shell structure as well as a preparation method and application of the composite polyacrylamide flocculant. The composite polyacrylamide flocculant is a core-shell structure composite material which takes inorganic nanoparticles grafted with carbon-carbon double bonds on the surface as a core and takes a polyacrylamide copolymer as a shell; the polyacrylamide copolymer is prepared from the following components in parts by mass: 70 to 90 parts of acrylamide, 10 to 30 parts of functional monomer and 0.1 to 1.0 part of cross-linking agent. The basic conception of the flocculating agent provided by the invention is that the structural design of inorganic nano core-organic polymer shell is adopted, PAM molecular chains firmly grow on the surfaces of nano particles in a chemical grafting manner, high dispersion and functional synergy of nano units are realized, and the obtained product has the characteristics of high flocculation speed, dense floc, high removal efficiency and the like, and has a wide application prospect. The method is especially suitable for deep treatment of difficult-to-treat industrial wastewater such as oil-containing wastewater, dye wastewater and heavy metal wastewater.

The invention discloses a macrocyclic covalent organic polymer material for inhibiting a pi-pi stacking effect and application of the macrocyclic covalent organic polymer material, and belongs to the technical field of biological medicines. The preparation method comprises the following steps: adding 5, 10, 15, 20-tetra (4-ethynylphenyl) copper porphyrin and a macrocyclic monomer into an organic solvent in a protective atmosphere, and carrying out solvothermal reaction in the presence of a catalyst and alkali to obtain the macrocyclic covalent organic polymer material. According to the invention, 5, 10, 15, 20-tetra (4-ethynylphenyl) copper porphyrin and a macrocyclic monomer form a porous polymer MCP-CU-POP, the material utilizes the photo-thermal capability to combine the effects of simulated photo-thermal (PTT), photodynamic (PDT), peroxidase (PODs) and glutathione peroxidase (GSH-Px) to perform synergistic antibiosis, and the inherent characteristics of an infected microenvironment can also be utilized to induce death of bacteria, so that the antibacterial property of the material is greatly improved, and the antibacterial property of the material is greatly improved. And the microenvironment of the bacterial infection part can be adjusted, so that the recovery of the bacterial infection wound can be obviously accelerated.

The invention discloses an artificial SEI material and a preparation method thereof, an artificial SEI film and an artificial SEI film modified negative electrode. The artificial SEI material is an organic polymer brush (CNF-g-PSSX) prepared by grafting cellulose nanofibers with polystyrene sulfonate. The polymer brush is of a crystal structure and has a firm framework; and the side chain of polystyrene sulfonate has rich-SO3 functional groups which are matched with cations in sulfonate, so that a rapid ion transmission channel is provided, high-current-density circulation can be realized, and good interface contact is ensured. Due to a special molecular topological structure and a multi-component synergistic effect, when the organic polymer brush forms an artificial SEI film, high mechanical strength, high ionic conductivity and low interface impedance can be obtained at the same time, and through strong electrostatic repulsion between a negatively charged-SO3 group and the surface of a negatively charged lithium dendrite tip, the electrochemical performance of the artificial SEI film is improved. An obvious inhibition effect is shown on the continuous growth of dendritic crystals.

The present invention discloses a method for preparing highly dispersible submicron spherical palladium powder. The method comprises the following steps: first, weighing solid palladium nitrate and dissolving it in dilute nitric acid to prepare a dilute palladium nitrate solution; then dissolving a reducing agent in deionized water to obtain a reducing solution; then weighing a dispersant and an additive and dissolving them in deionized water to obtain a mixed base solution; and then mixing the three to obtain a reaction slurry containing palladium powder. The mixture is then filtered, washed, and dried to obtain submicron spherical palladium powder particles. The present invention adopts a liquid phase reduction method to reduce the palladium nitrate solution with ascorbic acid or hydrazine hydrate as a reducing agent to prepare the submicron spherical palladium powder. An organic polymer dispersant and a small molecule alcohol additive are simultaneously added to the base solution in a symmetrical manner. While ensuring the yield of palladium powder, the particle growth process and dispersibility are well controlled. The prepared palladium powder particles are spherical and highly dispersed, with a particle size of 100 to 600 nm.

The invention discloses a polyamine type porous polymer as well as a preparation method and application thereof, and belongs to the technical field of synthesis of porous organic polymers. The specific method comprises the following steps: dispersing beta-mercaptoethylamine, a photoinitiator and a porous framework polymer with carbon-carbon double bond connection in a polar organic solvent; under the ultraviolet light initiation condition, the photoinitiator excites beta-mercaptoethylamine to generate sulfydryl free radicals, and the sulfydryl free radicals and the porous framework polymer with carbon-carbon double bond connection are subjected to an addition reaction; and washing and drying the product after the addition reaction to obtain the amino-modified polyamine porous polymer. The preparation method provided by the invention is rapid in reaction, extremely high in reactant utilization rate and simple in post-treatment, and the prepared polyamine type porous polymer has rich adsorption sites, good stability and excellent carbon dioxide adsorption performance, and can be applied to the field of carbon capture and the like.

The invention belongs to the technical field of quantum dots, and discloses a preparation method of quantum dot composite microspheres and the quantum dot composite microspheres. The method comprises the following steps: mixing an aqueous solution containing an emulsifier, quantum dots, a polymer monomer, a cross-linking agent and an initiator, and emulsifying to obtain a quantum dot emulsion; carrying out polymerization reaction on the quantum dot emulsion in an inert atmosphere to form an organic polymer coating layer on at least part of the surface of the quantum dot, so as to obtain organic polymer coated quantum dot microspheres; mixing and reacting the organic polymer coated quantum dot microspheres, a silicon source and a solvent to form a silicon dioxide coating layer on at least part of the surface of the organic polymer coating layer to obtain the quantum dot composite microspheres. By adopting the method provided by the invention, the quantum dot composite microspheres with relatively good stability can be prepared.

The invention belongs to the technical field of functional material preparation and application, and particularly relates to a long alkyl chain covalent organic polymer as well as a preparation method and application thereof in oil-water separation. The chemical structure of the long alkyl chain covalent organic polymer is shown as a formula (I), the long alkyl chain covalent organic polymer is successfully loaded on melamine sponge through an impregnation method, and the prepared modified sponge LNU-33 at MS has good hydrophobic and oleophylic characteristics and can be used for separating a mixture of an organic solvent and water. The synthetic process is simple, the oil-water separation efficiency is higher, and the oil-water separation catalyst has a good application prospect in the field of oil-water separation. # imgabs0 #

The invention discloses a multi-channel optical power divider based on an MMI structure and a preparation method thereof, and belongs to the technical field of planar optical waveguide devices and preparation thereof. The polymer optical waveguide is composed of a silicon wafer substrate, a polymer lower cladding, a polymer optical waveguide core layer of a strip-shaped structure and a polymer upper cladding in sequence from bottom to top, and the polymer optical waveguide core layer of the strip-shaped structure is based on an MMI structure and is wrapped in the polymer upper cladding. According to the waveguide type power divider, the characteristics of large process tolerance and small size of an MMI optical waveguide structure are combined, and the advantage of various types of organic polymer materials is also utilized, so that the purpose of performing same power distribution on input of a plurality of different ports is realized; besides, the process for preparing the device by adopting the polymer material is relatively simple, only conventional processes such as spin coating and photoetching are needed, the process with relatively high difficulty is not needed, the production cost is low, the efficiency is high, large-scale batch production can be realized, and the power divider can be applied to practice.

A preparation method of a glove having a soft coating with high wear resistance and high anti-slip performance is provided, including: physically spraying a bio-based organic polymer material on a surface of a glove core coated with an impregnation latex, conducting pre-vulcanization and high-temperature vulcanization successively, washing with an alkali liquor, an acid liquor, and water successively, and oven-drying to obtain the glove having the soft coating with high wear resistance and high anti-slip performance. The present disclosure has the following advantages: The preparation method is simple and reliable, and can greatly increase anti-slip performance and wear resistance of a coating while providing a delicate sand surface effect for the coating. The glove of the present disclosure has excellent anti-slip performance, durability, and comfortability in oily environments and dry environments.

A TPC-OTBS n-hexane solution is added to a mixture of TPC-OSO2F, DMF, and DBU and allowed to stand to produce a crosslinked solvent gel; the crosslinked solvent gel is added to methanol, stirred, and dried to produce the porous crosslinked material. The gel acquired can be prepared into a pore-rich solid porous organic polymer material by means of solvent exchange. SEM and TEM are used to characterize the surface and internal morphologies of the solid material, and the porous morphology thereof is discovered, with large pores being the majority. Infrared and nuclear magnetic resonance are used to characterize the structure of a crosslinked polysulfate; the complete reaction of a sulfuryl fluoride group is proven by means of solid-state fluorine nuclear magnetic resonance spectroscopy and XPS element analysis; and the porous structure of the crosslinked polysulfate allows same to be provided with improved application prospect in terms of adsorption.

The invention discloses a ZnO / PES mixed matrix ultrafiltration membrane and a polyaniline-ZnO / PES mixed matrix nanofiltration membrane as well as a preparation method and an application of the ZnO / PES mixed matrix ultrafiltration membrane and the polyaniline-ZnO / PES mixed matrix nanofiltration membrane. PES is used as an organic polymer, PEG1500 is used as a pore-foaming agent, ZnO is used as a nano filler, and the ZnO / PES composite ultrafiltration membrane is prepared through a non-solvent induced phase inversion method. The preparation method comprises the following steps: synthesizing a polyaniline coated ZnO nano composite material, blending zinc nitrate hexahydrate in ammonia water with a polyaniline solution to form a nano composite structure, and preparing the polyaniline-ZnO / PES mixed matrix nanofiltration membrane by taking the synthesized nano composite particles as a filler. According to the mixed matrix membrane technology, alkali and lignin in the black liquor can be directly recovered, compared with alkali recovery through a combustion method, the mixed matrix membrane technology has the advantages of being easy to operate, not complex in process, low in investment cost, small in occupied area, low in energy consumption, good in environmental compatibility and the like, and meanwhile subsequent high-valued comprehensive utilization can be conducted on lignin.

The invention relates to a thiourea-based aromatic porous organic polymer as well as a preparation method and application thereof, and belongs to the technical field of functional polymer adsorption materials. The preparation method comprises the following steps: respectively dissolving a plurality of ternary aromatic amine monomers with different electron pushing (electron donating) effects and cheap binary isothiocyanate monomers, mixing, uniformly shaking, and reacting to obtain a porous organic polymer network which is shown as organogel; and grinding the organogel into powder, then carrying out solvent exchange in dichloromethane, treating in methanol by using a Soxhlet extractor, and finally drying to obtain the product. The thiourea-based aromatic porous organic polymer provided by the invention has good adsorptive selectivity to Au, high adsorption capacity, wide pH adaptation range, good cyclic adsorption performance, simple preparation method and relatively high practical application value.

The invention discloses a quinonyl conjugated organic polymer photocatalyst as well as a preparation method and application thereof, and belongs to the technical field of preparation of photocatalyst materials. The quinonyl conjugated organic polymer photocatalyst disclosed by the invention is formed by imine bond connection formed by a phenanthrenequinone group-containing aldehyde monomer and an amine monomer through a Schiff base condensation reaction, and the photocatalytic efficiency is improved by constructing an electron donor block and an electron acceptor block to initiate a push-pull electron effect in a material. According to the photocatalyst, pure water and air are subjected to photocatalysis under the condition that a sacrificial agent is not needed, and hydrogen peroxide can be efficiently generated.

The invention provides a preparation method of an organic polymer photocatalyst and application of the organic polymer photocatalyst in the aspect of photocatalytic synthesis of nitric acid (HNO3) by directly taking nitrogen (N2) and oxygen (O2) as raw materials in water, and additional reagents do not need to be added. It is worthy of notice that the organic polymer photocatalyst (PyOP) shows excellent photocatalytic performance. When O2 is subjected to photocatalytic reduction, the yield of hydrogen peroxide (H2O2) reaches 10147.5 [mu] mol g <-1 > cat, and meanwhile, 672.8 [mu] mol g <-1 > cat of HNO3 can be synthesized by directly utilizing N2 and O2. The preparation method of the photocatalyst provided by the invention is simple, the raw materials are easy to obtain, the preparation cost is low, a metal-free photocatalytic platform only using H2O, N2 and O2 is constructed, and the photocatalyst is used for green and sustainable nitric acid production.

The invention belongs to the technical field of organic photoelectric materials, and discloses a high-transparency high-refractive-index organic polymer material as well as a preparation method and application thereof. According to the organic polymer material, an acrylic monomer with a spiro structure and a monomer with disulfydryl are subjected to free radical polymerization to obtain a polysulfide polymer with a main chain containing the spiro structure, and the polymer shows high transparency and high refractive index. According to the invention, the monomer with a spiro structure is polymerized with the disulfydryl monomer through sulfydryl-sparse click polymerization at normal temperature or photopolymerization reaction under ultraviolet light, so that the material has high refractive index and high transparency and also has low birefringence. The all-organic polymer material has wide application prospects in the fields of organic light-emitting diodes, micro-lens elements in double charge-coupled devices, high-performance complementary image sensors, all-polymer optoelectronic devices, polymer-based optical waveguides, photovoltaics, storage devices and the like.

The invention relates to the technical field of water treatment, and discloses a silicon powder conditioner and a preparation method thereof, the silicon powder conditioner comprises 20-40% of an inorganic coagulant, 5-15% of an organic polymer coagulant, 3-10% of a natural polymer coagulant aid, 10-25% of a demulsifier, 2-8% of a synthetic coagulant aid, and the balance of water. The demulsifying agent is compounded with various coagulants and coagulant aids, the demulsifying agent preferentially destroys an oil-water interfacial film, releases wrapped silicon powder and eliminates the'colloid protection 'effect of oil stains on the surface of the silicon powder, and the inorganic and organic coagulants rapidly perform electrical neutralization and adsorption bridging on exposed silicon powder particles to form floc which is good in settling performance and easy to filter. Meanwhile, the inorganic coagulant provides positive charges and efficiently neutralizes the microfine silicon powder with negative charges; cPAM with high molecular weight and PDADMAC with strong cations form long-chain bridging and patching effects, so that fine particles with the particle size of 1-5 microns are specially captured, and meanwhile, larger-particle silicon powder is improved to form floc which is easy to filter; the natural polymer further increases the volume and density of the floc, and prevents the floc from being broken under shearing.

The invention discloses a core-shell structure hybrid particle, an anti-corrosion wear-resistant coating and a preparation method and application of the core-shell structure hybrid particle and the anti-corrosion wear-resistant coating. The core-shell structure hybrid particle comprises a polytetrafluoroethylene particle serving as a core, an organic polymer transition layer wrapping the surface of the core and a two-dimensional lamellar material layer arranged on the surface of the organic polymer transition layer in a stacked mode. Wherein the two-dimensional lamellar material layer is formed by wrapping a two-dimensional lamellar material on the surface of the organic polymer transition layer at least through hydrogen-bond interaction. The core-shell structure hybrid particles in the anticorrosive wear-resistant coating prepared by the invention can effectively fill the micropore defect in the rapid curing process of the water-based resin, improve the density and physical shielding effect of the coating, and enhance the corrosion resistance of the coating in the deep sea environment; meanwhile, by adding the core-shell structure hybrid particles, the friction coefficient and the wear rate of the coating can be effectively reduced, and the tribological performance of the coating is improved.

The invention relates to the technical field of porous organic polymers, and discloses a vinyl porous organic polymer and a preparation method thereof. The preparation method comprises the following steps: carrying out melt polymerization on an organic molecule A, an organic molecule B and a fluxing agent in a closed reactor, and purifying a reaction product to obtain the vinyl porous organic polymer, wherein the organic molecule A is pyridine or pyrazine containing at least two methyl functional groups; the organic molecule B is an aromatic compound containing two aldehyde functional groups; the fluxing agent is a compound containing an anhydride functional group, a compound containing an acyl chloride functional group or a compound containing a carboxylic acid functional group. The vinyl porous organic polymer POPs is synthesized through the specific reaction monomer and the fluxing agent by a melt polymerization method, so that the synthesis process of the vinyl porous organic polymer is simplified, the phenomena of high temperature and high pressure caused by the use of a large amount of organic solvent are avoided, and large-scale industrial production can be realized.

The application relates to an organic polymer for rapid detection and degradation of mercury ions, and belongs to the technical field of preparation and application of organic functional materials. The structural formula of the organic polymer is shown as formula (IV); the luminescence performance of the polymer is derived from a conjugated organic polymer skeleton, and the recognition function for mercury ions is derived from a sulfur hydrocarbon chain embedded in the organic polymer skeleton. The polymer has high chemical stability and thermal stability, and can be repeatedly used for multiple cycles. The organic polymer is used for detecting and degrading mercury ions, and has the advantages of simple operation, low cost, short detection and degradation time, real-time detection, field detection and the like, and is easy to popularize and apply.

The present invention discloses a covalent organic polymer fluorescent probe, and the preparation method is as follows: 2,7-dibromopyrene and 1,2,3,4,5,6-hexa(4-bromophenyl)benzene are added to an organic solvent to dissolve, a Ni(0) catalyst is added, and the reaction is heated overnight. After the reaction is completed, it is cooled to room temperature, an HCl aqueous solution is added, the resulting precipitate is filtered, and washed with an organic solvent to finally obtain the covalent organic polymer fluorescent probe. The fluorescent probe is synthesized by a nickel-catalyzed Yamamoto reaction, has a significant quenching effect on nitro explosives containing OH groups, can be observed with the naked eye to have a significant color change, has high sensitivity, and has a low detection limit; and has no significant response to nitro explosives containing OH groups. Therefore, this fluorescent probe can be used as a specific fluorescent probe for highly selective detection of nitro explosives containing OH groups.

A preparation method of the covalent organic polymer fluorescent probe comprises the following steps: adding 2, 7-dibromopyrene and 1, 2, 3, 4, 5, 6-hexa (4-bromophenyl) benzene into an organic solvent for dissolving, adding a Ni (0) catalyst, and heating overnight for reaction. And after the reaction is finished, cooling to room temperature, adding an HCl aqueous solution, filtering the generated precipitate, and washing with an organic solvent to finally obtain the covalent organic polymer fluorescent probe. The fluorescent probe is synthesized through a nickel-catalyzed Yamamoto reaction, has an obvious quenching effect on-OH-containing nitro explosives, can observe obvious color change through naked eyes, and is high in sensitivity and low in detection limit; the method has no obvious response to-OH-free nitro explosives. Therefore, the fluorescent probe can be used as a specific fluorescent probe for high-selectivity detection of-OH nitro-containing explosives.

The invention belongs to the field of functional porous materials, and particularly relates to novel N, S polycyclic aromatic hydrocarbon molecules and preparation thereof, preparation of porous organic porous polymer gel constructed by using the polycyclic aromatic hydrocarbon molecules and application of the porous organic porous polymer gel in photocatalytic water oxidation to generate hydrogen peroxide. The invention provides an N, S polycyclic aromatic hydrocarbon molecule which has a structural formula as shown in a formula I. The invention provides a novel N, S polycyclic aromatic hydrocarbon molecule and a synthesis method thereof. The porous organic polymer gel is synthesized by taking the porous organic polymer as a construction unit, and the synthesized gel has excellent processability and photoelectric activity, so that the gel shows an excellent rate of preparing hydrogen peroxide through photocatalytic water oxidation when being used as a photocatalytic material.

The invention relates to the technical field of display, and discloses application of an ultrahigh-luminous-efficiency perovskite quantum dot PC material to a mini module, and the application comprises the following steps: S1, synthesizing perovskite quantum dots: preparing the perovskite quantum dots through a thermal injection method in an inert gas environment; s2, anti-quenching treatment: coating the surface of the perovskite quantum dot with an anti-quenching layer, wherein the anti-quenching layer comprises an inorganic oxide shell layer or an organic polymer shell layer; s3, quantum dot dispersion: dispersing the perovskite quantum dots subjected to anti-quenching treatment in an organic solvent; s4, compounding the PC material; s5, carrying out patterning treatment; and S6, curing and forming. The quantum dot dispersion liquid is combined with the PC material, and the good mechanical property, chemical stability and high heat resistance of the PC material are utilized to provide a stable support matrix for the perovskite quantum dots, so that the composite material has the high luminous efficiency luminescence characteristic of the perovskite quantum dots and the practical performance of the PC material; and the dual requirements of the mini module on optical and physical properties of the material are met.

The invention discloses a phenazine-based electrochemical electrode material as well as a preparation method and application thereof. The phenazine-based electrochemical electrode material is an organic small molecule material or an organic polymer which contains nitrogen, has a conjugated structure and can be subjected to electrochemical oxidation-reduction reaction. The phenazine-based electrochemical electrode material disclosed by the invention can be applied to selective separation and extraction of ions, can be used for selective extraction and separation of target ions in a multi-ion complex solution, and can be used for extracting valuable element ions step by step at high performance; the extraction method has the advantages of high ion extraction capacity, low cost, simple process and high element separation and extraction efficiency, is environment-friendly, can realize efficient development and comprehensive utilization in the fields of salt lake resources, marine resources, industrial sewage and wastewater recycling, seawater desalination and the like, and has a better industrialization prospect.

The invention belongs to the technical field of photocatalysts, provides a structure, a preparation method and application of four novel organic polymer materials, and particularly relates to a preparation method and application of a perylene covalent triazine framework material. The preparation method mainly comprises the following steps: firstly, mixing monomers containing different functional groups and structures in different solvents, and synthesizing a polymer material through simple Sonogashira coupling reaction and Suzuki coupling reaction; secondly, performing Soxhlet extraction and purification on the four materials in a Soxhlet extractor to wash off impurities and unreacted monomers; according to the novel organic polymer material, triazine rings are introduced and form a more stable and prolonged D-A structure with pyrene and perylene functional group parts, intramolecular electron transfer of photon-generated carriers is promoted, compounding of the photon-generated carriers can be inhibited, and then the performance of the obtained material for photocatalytic water production of hydrogen peroxide is improved; meanwhile, the influence of introduction of different units on the performance of photocatalytic water production of hydrogen peroxide is compared.

The invention discloses a lead sulfide quantum dot photoelectric device and a preparation method thereof. A hole transport layer of the photoelectric device is of a three-layer structure, a lower interface modification layer is a lead sulfide quantum dot film of a thiol micromolecule ligand formed on the lower surface of a P-type organic polymer layer, and an upper interface modification layer is a tri-pentafluorophenyl boron doped poly [bis (4-phenyl) (2, 4, 6-trimethylphenyl) amine] film formed on the upper surface of the P-type organic polymer layer. According to the invention, through a thiol micromolecule modified PbS quantum dot transition organic / inorganic interface, poly [bis (4-phenyl) (2, 4, 6-trimethylphenyl) amine] doped with tri-pentafluorophenyl boron is used as a universal material for eliminating a potential barrier with a gold electrode, so that a plurality of P-type polymer hole transport layers and the gold electrode form stable ohmic contact; the erosion of water and oxygen in the air to the lead sulfide quantum dots is effectively blocked, and the efficiency and the working stability of the lead sulfide quantum dot photoelectric device are remarkably improved.

The invention discloses a hydrophobic MOF material-based mixed matrix flat sheet membrane and a preparation method and application thereof.The preparation method comprises the following steps: S1, weighing an MOF material and a cross-linking agent, adding the weighed MOF material and cross-linking agent into a solvent, and fully and uniformly mixing to obtain a solution A; s2, weighing an organic polymer, adding a solvent, and fully and uniformly mixing to obtain a solution B; s3, preparing a membrane casting solution: mixing the solution A and the solution B, fully and uniformly mixing, adding a catalyst, and uniformly mixing to obtain the membrane casting solution; and S4, mounting a flat plate support body on a pulling machine, loading the membrane casting solution on the flat plate support body by adopting a dip-coating process, and then drying to obtain the mixed matrix flat plate membrane. The dipping, extracting and film-drawing process has the advantages of wide applicability, simplicity and convenience in operation, controllable film thickness, uniformity and transparency of the film and low energy consumption, the prepared film is uniform, the area of the film is larger, and the permeability of the film can be improved while high selectivity of the mixed matrix film is ensured.

The invention belongs to the technical field of electrochemical energy storage, and relates to a magnetron sputtering preparation method and application of a solid electrolyte hydrophobic interface layer. 2, depositing a hydrophobic coating, namely depositing the hydrophobic coating on one side surface or two side surfaces of the electrolyte matrix by adopting radio frequency magnetron sputtering to form a hydrophobic interface layer; the coating material of the hydrophobic coating comprises an organic polymer or an inorganic nano material, the organic polymer comprises PTFE (polytetrafluoroethylene), PDMS (polydimethylsiloxane) and FAS-17, and the inorganic nano material comprises Si3N4 and NiCrN; the compact and uniform hydrophobic coating is deposited on the surface of the garnet-type, sulfide-based or halide-based solid electrolyte membrane, so that the environmental stability and the interface electrochemical performance of the solid electrolyte material are remarkably improved, and the problems that the current solid electrolyte is easy to absorb moisture in air, unstable in structure, poor in interface contact and the like are effectively solved.

The invention relates to a preparation method of silver-coated mica powder, and belongs to the technical field of conductive powder materials, the silver-coated mica powder comprises modified mica powder and a silver coating layer coating the modified mica powder; wherein a silane coupling agent structure in the Schiff base polymer intermediate can react with hydroxyl on the surface of the mica powder, so that on one hand, the mica powder can be modified, and on the other hand, an organic polymer transition layer is formed on the surface of the mica powder; silver ions are enriched through sulfur and nitrogen multi-reaction active sites in a Schiff base polymer intermediate, so that an organic polymer transition layer and chelated silver ions can be stably attached to the surface of mica powder, and a compact coating layer is formed. And after high-temperature calcination, the silver elementary substance promotes the coating layer to be connected into a sheet through a metal bond between Ag and Ag, the mica powder can be completely coated, and the oxidation resistance of the silver-coated mica powder is improved.

The invention belongs to the field of two-dimensional material preparation, and particularly relates to a dry transfer method of a corner two-dimensional material. On one hand, introduction of impurities is avoided by adopting a plurality of organic polymers for assistance through a splitting step mechanism; on the other hand, by means of the mechanism that the two-dimensional material slides on the h-BN interface and does not exceed the plane geometrical shape of the h-BN interface, the two-dimensional material is locked on the h-BN geometrical interface through laser cutting, the probability that the two-dimensional material wrinkles, bubbles and slides in the transfer process is remarkably reduced, meanwhile, the internal stress of a system is reduced, and the mechanical performance of the system is improved. Therefore, the accuracy of the transfer angle of the corner two-dimensional material is improved; and the phenomena of slippage, traction and the like do not occur between the corner two-dimensional materials, lattice distortion is also weakened, and the quality of the corner two-dimensional materials is further improved. According to the method, reliable technical support is provided for constructing a high-quality strong-correlation physical platform, and the method can be widely applied to the fields of novel quantum devices and the like.