592 results about "Phenanthroline" patented technology

The invention relates to the technical field of detection kits, in particular to a preparation method of fluorescent microspheres, the fluorescent microspheres and a preparation method of a kit. According to the invention, 4-vinylbenzoic acid, dibenzoylmethane and phenanthroline are used as ligands to prepare the europium complex; the prepared europium complex, styrene and lauryl methacrylate are subjected to first-stage copolymerization polymerization to obtain a polymer core with the europium complex, itaconic acid is added for continuous polymerization in the second-stage polymerization process, and the prepared fluorescent microspheres are uniform in size, high in fluorescence intensity and high in stability. The prepared detection kit has the advantages of high detection sensitivity and stable and reliable detection effect when being used for detecting the myocardial injury marker cTnI.

The invention discloses preparation of a phenanthroline-based covalent organic framework photocatalyst and application of the phenanthroline-based covalent organic framework photocatalyst in photocatalytic production of hydrogen peroxide. According to the method, a hydrogen peroxide production experiment is carried out in a water-oxygen system or a benzyl alcohol-water-oxygen system by taking phenanthroline-based COF as a photocatalyst. According to the invention, through regulation and control of molecular flatness engineering, an electron-rich phenanthroline unit (Phen) anchored by a pyridine expansion plane and electron-deficient triazine (TTA) are integrated into a COF skeleton, and a novel electron donor-acceptor (D-A) type COF is synthesized. The COF has the advantages of proper energy band structure, excellent photo-induced electron and hole separation efficiency, strong D-A interaction, good hydrophilicity and the like, and the efficiency of photocatalytic hydrogen peroxide production reaction within a short time is greatly improved. The invention provides a use method of the COF photocatalyst which is cheap, convenient, rapid, efficient and environment-friendly, and has a potential application prospect.

The invention discloses an organic carbonyl compound electrode material, a preparation method and application of the organic carbonyl compound electrode material in a lithium ion battery, and the organic carbonyl compound electrode material is bipyridino [3 ', 2': 5, 6; the invention relates to an organic carbonyl compound electrode material, which is prepared from 2, 2 ', 3': 7, 8] quinoxaline [2, 3-i] bipyridino [3, 2-a: 2 ', 3'-c] phenazine-10, 21-diquinone and 1, 2, 4, 5-tetraamino p-benzoquinone and 1, 10-phenanthroline-5, 6-diketone through a dehydration condensation reaction. When the organic electrode material is used as a positive electrode material to be applied to a lithium ion battery, due to the fact that the organic electrode material contains a large conjugated system, the organic electrode material has good dissolution inertness in electrolyte and is beneficial to electron transmission, and therefore the cycling stability and the rate performance of the battery are improved. In addition, multiple active sites provide more redox active sites to coordinate with lithium ions, so that reversible lithium storage is realized, and relatively high capacity is shown.

The invention discloses a polyether-ether-ketone polishing brush wire material and a preparation method thereof, and belongs to the technical field of brush wire material preparation. The polyether-ether-ketone polishing brush wire material is prepared from, by weight, 50-70 parts of polyether-ether-ketone, 8-13 parts of a modified flexibilizer, 5-10 parts of a modified stabilizer, 3-6 parts of a light stabilizer, 6-12 parts of a lubricant and 2-5 parts of graphite, the modified flexibilizer is prepared from allyl glycidyl ether, benzyl dimethyl silane, vinyl acetic acid and 4-methoxyphenol, and the modified flexibilizer is prepared from vinyl acetate and 4-methoxyphenol. The modified stabilizer is prepared from pentafluorobenzoic acid, potassium tert-butoxide, 1, 10-phenanthroline, pentafluorobromobenzene, 4-aminophenol and pyromellitic dianhydride. The polyether-ether-ketone polishing brush wire material prepared by the method has excellent toughness, organic solvent resistance and wear resistance.

The invention belongs to the technical field of polycarbonate materials, and particularly discloses a high-strength flame-retardant polycarbonate plastic and a preparation method thereof. The high-strength flame-retardant polycarbonate plastic comprises the following components in parts by weight: 60-80 parts of polycarbonate, 5-10 parts of a flame retardant, 0.1-2 parts of a dispersing agent, 0.1-2 parts of an antioxidant, 3-8 parts of a reinforcing agent and 2-6 parts of a toughening agent, a preparation process of the flame retardant comprises the following steps: adding 1, 10-phenanthroline-4, 7-diamine and triethylamine into dichloromethane, cooling to-5 to 5 DEG C, adding a dichloromethane solution of a compound A in an inert gas atmosphere, stirring to react, and purifying a reaction solution to obtain the flame retardant. The polycarbonate plastic prepared by the invention has excellent mechanical property and flame retardant property.

The invention relates to the technical field of nylon, and discloses flame-retardant fireproof high-temperature-resistant nylon and a preparation method thereof. According to the invention, nylon 6, a montmorillonite-copper complex flame retardant and the like are extruded and granulated in a twin-screw extruder to obtain the flame-retardant fireproof high-temperature-resistant nylon. After surface organic modification, montmorillonite has good compatibility with nylon 6, the tensile strength of the material is increased, the flame retardant contains phosphate groups and more nitrogen-containing ureido and phenanthroline structures to form a nitrogen-phosphorus flame retardant, and meanwhile, the flame retardant contains a salicylic acid-phenanthroline-copper complex structure to catalyze charring of a nylon matrix at high temperature, so that the flame retardant has excellent flame retardancy. The flame retardance of the nylon material is remarkably improved, the UL94 grade reaches the V0 grade, the limit oxygen index is increased, the residual carbon amount at high temperature is increased, and the high-temperature resistance of the material is improved.

The invention discloses an organic compound with a plurality of heteroatoms and an organic electroluminescent device comprising the same. The structural general formula of the organic compound is as shown in a formula I, R1 to R4 independently represent any one of hydrogen, deuterium, a substituted or unsubstituted alkyl group with the carbon atom number of C1-C30, a substituted or unsubstituted aryl group with the carbon atom number of C6-C60, a substituted or unsubstituted fused ring aryl group with the carbon atom number of C6-C60 and a group as shown in a formula II, and R1 to R4 independently represent any one of hydrogen, deuterium, substituted or unsubstituted alkyl group with the carbon atom number of C6-C60, substituted or unsubstituted fused ring aryl group with the carbon atom number of C6-C60 and substituted or unsubstituted fused ring aryl group with the carbon atom number of C6-C60. And at least two of R1-R4 represent the group shown in the formula II. According to the organic compound provided by the invention, phosphine oxide and phenanthroline structures are introduced into the structure, under the introduction of high electronegativity atoms such as nitrogen, oxygen and phosphine, the maximum negative electrostatic potential is lower, and the stability and the electron transmission capability of an nCGL material can be improved, so that the driving voltage of the prepared organic electroluminescent device can be effectively reduced, and the organic electroluminescent device can be applied to the field of organic electroluminescent devices. And the luminous efficiency and life are improved. # imgabs0 # I; and # imgabs1 # II.

The invention discloses a preparation method and application of a high-valence nickel monatomic catalyst, through the synergistic effect of nickel-phenanthroline complexing and inert template anchoring, dense and stable anchoring sites are provided for nickel atoms, atom migration and agglomeration in the high-temperature pyrolysis process are effectively inhibited, and the high-valence nickel monatomic catalyst is prepared. Meanwhile, by combining with an air-inert atmosphere two-step calcination procedure, air pre-oxidation is carried out, and a nickel precursor is stabilized in a carrier framework to prevent the nickel precursor from being reduced into a metal state in subsequent high-temperature inert calcination, so that the nickel precursor is locked in an electron-deficient high valence state, and a nickel-loaded material with the nickel loading capacity of 2.9-9.2 wt% and the nickel loading capacity of 9.2-9.2 wt% is prepared. And the nickel element stably exists mainly in the form of Ni < 3 + > or a higher-valence monatomic form, so that the three-in-one breakthrough of high load, high valence and high stability is realized. When the obtained catalyst activates persulfate, high-valence metal oxygen species are preferentially generated, various new pollutants are degraded, and the catalyst has high activity, selectivity and high stability.

The invention provides an alloying modification method of a platinum catalyst, and relates to the field of electrochemical catalysis, and the alloying modification method specifically comprises the following steps: uniformly mixing a 5% platinum-carbon catalyst and a phytic acid solution, carrying out freeze-drying treatment, carrying out primary pyrolysis, sulfuric acid treatment, ultrapure water cleaning and suction filtration, and drying to obtain powder, adding ferrous sulfate and 1, 10-phenanthroline, and uniformly stirring to obtain the platinum-carbon alloy. And carrying out secondary pyrolysis, sulfuric acid treatment, ultrapure water cleaning, suction filtration and drying to obtain the alloying modified carbon-based catalyst. According to the method, the metal platinum and the transition metal are alloyed, so that the activity and the stability of the catalyst are effectively improved, the usage amount of the noble metal platinum is reduced, and the manufacturing cost of the catalyst is effectively reduced; the alloying modified carbon-based catalyst obtained by the method can be used for preparing primary zinc-air batteries, rechargeable zinc-air batteries and other batteries.

The invention discloses a chemical chromogenic reaction time sequence characteristic analysis method based on a CNN-LSTM model, and aims to establish a relationship between a chemical reaction color characteristic signal and time change. The method comprises the following steps: firstly, pretreating a PAD (paper-based analysis device) by using a phenanthroline reagent, and then dropwise adding iron ion solutions with different concentration gradients; in a single-light-source and all-black environment, continuous image data in a reaction process is acquired, and a rich data set is obtained. Preprocessing the acquired image data, including operations of cutting, denoising, enhancing, normalizing and the like, and extracting effective image information; spatial features of each frame of image are extracted by using a convolutional neural network (CNN), the features are input into a long short-term memory network (LSTM), time dynamic features of color changes are learned, and finally a change rule of the color features along with time or a prediction result is output. The invention provides an efficient and accurate chemical chromogenic reaction dynamic analysis method which can be widely applied to the field of chemical reaction monitoring and analysis.

The invention discloses a novel fluorescent probe based on triphenylamine and a preparation method and application thereof, the preparation method comprises the following steps: S1, dissolving 4-methoxyaniline and 1-bromo-4-iodobenzene in a solvent A, and then adding copper iodide, 1, 10-phenanthroline and potassium tert-butoxide for reaction to obtain a compound 1; s2, dissolving the compound 1 obtained in the step S1, (5-formylthiophene-2-yl) boric acid and anhydrous potassium carbonate in a solvent B, and then adding PdCl2 (dppf) for reaction to obtain a compound 2; and S3, dissolving the compound 2 obtained in S2 and malononitrile in a solvent C, and then adding triethylamine for reaction to obtain the TPA-CN probe. The TPA-CN probe is used for monitoring exogenous and endogenous SO2 and viscosity change in living cells. According to the invention, dual imaging of SO2 and viscosity in a biological system and a food sample can be realized.

The invention belongs to the technical field of organic synthesis, and particularly relates to an asymmetric phenanthroline compound as well as a preparation method and application thereof. Compared with the original symmetric ligand compound, the asymmetric phenanthroline compound provided by the invention has the advantage that the extraction performance and selectivity of americium are improved. In addition, the asymmetric phenanthroline compound provided by the invention is stable in structure, has good acid resistance and radiation resistance, can be suitable for high-acidity post-treatment waste liquid, improves the fat solubility of the phenanthroline ligand, is easy to split phases, does not need to use 2-bromohexanoic acid and other synergistic extractants, and reduces the introduction of secondary wastes in the post-treatment process.

The invention discloses an organic rare earth luminescent complex scintillator as well as preparation and application thereof. The molecular structural formula of the complex is L13ML2, M is Tb, Eu or Er metal ions, and the valence state is + 3; l1 is a tetraphenyl diphosphine imide anion ligand (tpip) or a substituted tpip ligand; l2 is unsubstituted or substituted 2, 2 '-bipyridyl, 1, 10-phenanthroline and a non-ionic chelating group containing a polyheterocycle / fused heterocycle. The organic rare earth luminescent complex scintillator can effectively convert high-energy X-rays into narrow-band visible light and near-infrared light, and is suitable for being applied to the fields of high-energy ray detection and high-resolution imaging.

The invention discloses an imidazole derivative molecule modified solar cell and a preparation method thereof, and belongs to the technical field of solar cells. The cell sequentially comprises an ITO (Indium Tin Oxide) conductive glass layer, a nickel oxide passivation layer, a [4-(3, 6-dimethoxy-9H-carbazole-9-yl) butyl] phosphonic acid hole transport layer, an ITO (Indium Tin Oxide) conductive glass layer and a nickel oxide passivation layer from bottom to top, the thin film solar cell is characterized in that the thin film solar cell comprises a substrate, a metal Ag electrode layer, a Cs0.05 (FA0. 95MA0. 05) 0. 95Pb (I0. 95Br0. 05) 3 narrow-band gap perovskite thin film PVSK modified by 2-(2 ', 6'-dichloroanilino)-2-imidazoline, a (6, 6)-phenyl-C61-butyric acid methyl ester electron transport layer, a 2, 9-dimethyl-4, 7-biphenyl-1, 10-phenanthroline hole blocking layer and a metal Ag electrode layer; according to the scheme, perovskite defects are passivated through imidazole derivative molecules, double-interface passivation and crystallization regulation are achieved, the film quality is improved, and the crystal quality of the perovskite film is remarkably improved; due to effective passivation of the double interfaces, ion migration is obviously inhibited, the carrier transmission efficiency is effectively improved, and the moisture resistance of the perovskite thin film and the device stability are improved.

The invention provides a supported catalyst and a preparation method thereof, and belongs to the technical field of hydrogenation catalysts, and the preparation method comprises the following steps: preparing a double-ligand nickel compound solution, dissolving tert-butyl modified bis (1-methylimidazolyl) ethane and 1, 10-phenanthroline in absolute ethyl alcohol, stirring, adding nickel salt, and uniformly stirring again to obtain the double-ligand nickel compound solution; the preparation method comprises the following steps: preparing an aluminum oxide-silicon oxide composite carrier, adding a caffeine solution and an alkali solution into a mixed solution of an aluminum precursor solution and a silicon precursor solution, uniformly stirring, gelatinizing, and carrying out two-step calcination to obtain the aluminum oxide-silicon oxide composite carrier, immersing the aluminum oxide-silicon oxide composite carrier into a double-ligand nickel compound solution, uniformly stirring, and drying to obtain the catalyst. And filtering, washing and drying to obtain the supported catalyst. According to the technical scheme provided by the invention, the purpose of efficient hydrogenation of the supported catalyst is achieved.

The present invention provides a tracer and a fracturing implementation effect evaluation device based on the tracer. The tracer comprises: a rare earth element compound, a composite complexing agent, and a compatibility additive, wherein the composite complexing agent comprises a phenanthroline-based compound and ethylenediaminetetraacetic acid. The device comprises: a tracer preparation apparatus; a pumping apparatus connected to the tracer preparation apparatus and used for putting the prepared tracer into a stratum; a tracer detection apparatus comprising a flowback fluid treatment apparatus for receiving and treating flowback fluid and an analysis instrument for detecting and analyzing the tracer in the flowback fluid; and a central control apparatus connected to and controlling the tracer preparation apparatus, the pumping apparatus, and the tracer detection apparatus, wherein the central control apparatus obtains fracturing implementation effect data on the basis of an analysis result of the analysis instrument.

The invention provides a hydrogen fuel cell catalyst as well as a preparation method and application thereof, and relates to the technical field of catalysts, the catalyst comprises an N atom modified carbon carrier and platinum alloy nanoparticles loaded on the surface of the carbon carrier, the platinum alloy nanoparticles are binary or multicomponent alloys formed by Pt and metal M, the molar ratio of platinum to the metal M is (0-10): 1, and the molar ratio of platinum to metal M is (0-10): 1. The weight ratio of the N atom modified carbon carrier to the platinum alloy nanoparticles is (25-80): (75-20). According to the preparation method of the hydrogen fuel cell catalyst, the N-modified carbon-supported PtFe alloy is prepared by a two-step pyrolysis method, so that the use amount of Pt is effectively reduced, the cost is controlled, and the utilization rate of Pt is increased; through the strong coordination capability of the 1, 10-phenanthroline, the formed Fe-N-C layer can restrain the growth and agglomeration of the PtFe alloy nanoparticles, the adsorption to a reaction intermediate is weakened, and the oxygen reduction activity and stability of the alloy catalyst are improved.

The invention discloses a high-efficiency ternary perovskite solar cell and a preparation method thereof, and the cell sequentially comprises an ITO conductive glass layer, a (4-(3, 6-dimethyl-9H-carbazole-9-yl) butyl) phosphonic acid hole transport layer (MeO-4PACz), a ternary perovskite layer formed by mixing an ionic liquid BzMIMBr and a perovskite layer Cs0.05 (FA0.95 MA0.05) 0.95 Pb (I0.95 Br0.05) 3, a C60 electron transport layer, 2, 9-dimethyl-4, 4 '-diazole-4, 4'-diazole-4, 4 '-diazole-4, 4'-diazole-4, 4 '-diazole-4, 4'-diazole-4 '-diazole-4, 4'-diazole-4 '-diazole-4'-diazole-4 ' the hole barrier layer is a 1, 7-biphenyl-1, 10-phenanthroline hole barrier layer (BCP); and the metal Al electrode layer is formed on the hole barrier layer. According to the scheme, the conjugated ionic liquid is introduced into the perovskite active layer, so that multi-point passivation of defects is realized, the external quantum efficiency is improved, the film form is improved, the crystallinity is expanded, charge transfer is balanced, the photoelectric conversion efficiency is enhanced, the stability is improved, and the hysteresis effect of a device is effectively inhibited.

The invention relates to a self-healing anti-oxidation Phen / CD-MXene / water-borne epoxy resin anticorrosive paint and a coating, relates to the technical field of anticorrosive paints, and aims to solve the problem of lack of anti-oxidation and stability modified Ti3C2Tx MXene self-healing water-borne epoxy resin anticorrosive paints in the prior art. The anticorrosive paint provided by the invention is prepared from the following components in parts by mass: 0.3 to 0.8 part of PCD-MXene filler, 35 to 40 parts of waterborne epoxy resin, 45 to 55 parts of curing agent, 0.025 to 0.05 part of body filler and 0.02 to 0.1 part of additive. The preparation method comprises the following steps: dispersing CD powder into n-butyl alcohol, adding Ti3C2Tx MXene powder and ascorbic acid to obtain a mixed solution, adding the mixed solution into a solution consisting of 3-amino-1-propanol, NaOH and 5-chloro-1, 10-phenanthroline, and stirring, centrifuging, washing and drying in a nitrogen atmosphere and an ice-water bath to obtain PCD-MXene powder. The anti-corrosion coating can effectively prevent a corrosion medium from being in direct contact with the metal surface; and the permeation rate of hydrogen ions and oxygen on the metal surface is reduced, and oxidation corrosion of metal is reduced.

The invention relates to the technical field of biosensing, in particular to enzyme liquid, an electrochemical biosensor for blood glucose measurement and a preparation method of the electrochemical biosensor. The enzyme liquid is used for preparing the electrochemical biosensor for blood glucose determination and comprises the following components in percentage by mass: 60%-80% of a buffer system, 10%-20% of a disintegrating agent, 0.1%-5% of a stabilizer, 0.01%-2% of a surfactant, 0.1%-8% of an electron transfer agent and 0.1%-5% of glucose dehydrogenase, the electron transfer agent is selected from a phenanthrenequinone compound or a phenanthroline compound containing diketone. The current amplification effect of the electrochemical biosensor can be improved, and the detection sensitivity can be further improved.

The invention belongs to the technical field of electrocatalytic nitrate reduction catalysts, and particularly relates to a graded porous hollow carbon fiber catalyst with synergistic monatomic iron and ferric oxide clusters as well as a preparation method and application of the graded porous hollow carbon fiber catalyst. The preparation method specifically comprises the following steps: stirring polyacrylonitrile and polymethyl methacrylate in an organic solvent to obtain a spinning precursor solution; the preparation method comprises the following steps: taking ferrous sulfate heptahydrate and 1, 10-phenanthroline as ligands, and stirring in an organic solvent to obtain a metal organic ligand; the preparation method comprises the following steps: stirring a spinning precursor solution and a metal organic ligand, obtaining a metal precursor-loaded composite fiber through an electrostatic spinning technology, and then carrying out pre-oxidation and high-temperature pyrolysis to obtain the composite fiber. The prepared carbon fiber has good conductivity and a unique hollow hierarchical porous structure, transmission of reactants is greatly promoted while more active sites are exposed, the carbon fiber serves as a monatomic synergistic cluster catalyst carrier, rapid transmission of electrons is facilitated, and the electro-catalysis efficiency is effectively improved.

The invention discloses a phenanthroline benzimidazole structure polyimide single rare earth ion coordination full-spectrum luminescent material as well as a preparation method and application thereof, and belongs to the technical field of preparation of polymer luminescent materials. The phenanthroline and benzimidazole structure polyimide single rare earth ion coordination full-spectrum luminescent material comprises phenanthroline and benzimidazole structure polyimide, rare earth ions and an organic small molecule ligand of a beta-diketone structure which are combined through coordination. The polymer single rare earth coordination material not only retains the advantages of polyimide, but also shows special optical properties brought by addition of rare earth ions (Ln < 3 + >), PI-Tb < 3 + > formed after coordination of the coordination polymer and the rare earth ions Tb < 3 + > can emit full-spectrum white light (CIE = (0.31, 0.35)), and shows excellent thermal stability and solubility.

Electrically neutral complex compounds of formula I including any stereoisomer or E / Z isomer thereof wherein: M is Fe < 2 + >, Ru < 2 + >, Os < 2 + >, Co < 3 + >, Rh < 2 + >, Rh < 3 + >, Ir < 3 + >, Ni < 2 + >, Pd < 2 + >, Pt < 2 + > or Pt < 4 + >, in particular Ru < 2 + >; t and T'are H or (C1-C3)-alkyl; lig is a bidentate ligand, in particular 2, 2 '-dipyridyl (bpy) or 4, 7-diphenyl-1, 10-phenanthroline (BPhen); and A is an anion from a pharmaceutically acceptable acid, the electrically neutral complex compounds of formula I are useful in human therapy, in particular as photosensitizers (PS) in photodynamic therapy (PDT) of cancer, skin diseases, fungal infections or microbial infections. They are almost non-toxic under dark conditions at therapeutic doses and exhibit good to excellent photoactivity under hypoxic conditions. They can be used for PDT treatment of deep hypoxia tumors by using light within a far-infrared to near-infrared light treatment window.

The invention relates to the technical field of immunochromatography, in particular to time-resolved fluorescent microspheres, a preparation method and application of the time-resolved fluorescent microspheres in PSP / CRP / MxA quantitative detection immunochromatography test strip, and the preparation method of the time-resolved fluorescent microspheres comprises the following steps: 1) preparing surface aminated polystyrene microspheres; (2) carrying out glutaraldehyde crosslinking and 1, 10-phenanthroline-5-amino combination; 3) grafting a rare earth fluorescent dye on the surface; and 4) coating a polymer shell layer and modifying carboxyl. According to the invention, through a dual fixation strategy of surface grafting and polymer coating, the time-resolved fluorescent dye is confined to a functional region between the surface of the microsphere and a polymer shell layer, diffusion and leakage of dye molecules to the external environment are blocked, and the problem of dye shedding of traditional fluorescent microspheres is solved; the polymer shell layer can effectively isolate external ultraviolet light, oxygen and other corrosive factors, reduce photooxidative degradation and non-radiative transition loss of fluorescent molecules, and improve the light stability and fluorescent lifetime of the fluorescent molecules.

The invention discloses application of nitrogen-doped bamboo activated carbon in room-temperature oxidation of methyl mercaptan, and belongs to the technical field of sulfur-containing foul pollutant treatment. According to the catalyst, bamboo charcoal is used as a carbon source, 1, 10-phenanthroline or ammonia gas and 1, 10-phenanthroline are used as nitrogen sources, and the nitrogen-doped bamboo activated carbon catalyst is prepared through mixed grinding and high-temperature calcination. The nitrogen-doped bamboo activated carbon prepared by the method has abundant topological defects and structural alkaline sites, and has remarkable advantages in the aspect of oxidative degradation of methyl mercaptan at room temperature. The catalyst can realize catalytic degradation of methyl mercaptan at room temperature, can still keep the degradation rate of 85% or above after continuous reaction for 150 hours, and shows excellent catalytic activity and stability.

The invention discloses an antibacterial nanofiber hemodialysis membrane and a preparation method thereof, and relates to the technical field of dialysis membranes, and the preparation method comprises the following steps: mixing a chitosan derivative, heparin, dopamine, an unsaturated monomer and an initiator in a DMF / phosphate buffer mixed solution to obtain a surface treating agent; taking the polyethersulfone nanofiber membrane as a supporting layer, dipping in a surface treating agent, and performing UV irradiation to form a functional layer, thereby obtaining the dialysis membrane. The preparation method comprises the following steps: compounding phenanthroline cerium triacrylate hybridized CeO2 with N-vinyl pyrrolidone, sodium p-styrenesulfonate and lauryl methacrylate to obtain an unsaturated monomer, compounding the unsaturated monomer with a chitosan derivative, heparin and dopamine to prepare a surface treating agent, impregnating a polyether sulfone nanofiber membrane, and carrying out irradiation curing to form a functional layer. The prepared hemodialysis membrane has efficient anticoagulation and broad-spectrum antibacterial properties, high permeability, low protein adsorbability and long-term stability.

The invention relates to a small organic molecule material, a preparation method thereof and an application of the small organic molecule material in an aqueous zinc ion battery, and the small organic molecule material is an imine small organic molecule (PD-TABQ) formed by condensation of 1, 10-phenanthroline-5, 6-diketone and 2, 3, 5, 6-tetra (amino) p-benzoquinone. The small organic molecule is prepared by carrying out reflux reaction, washing and drying on 1, 10-phenanthroline-5, 6-diketone and 2, 3, 5, 6-tetra (amino) p-benzoquinone, and has the advantages of low solubility, good conductivity, large capacity density and good cycle performance. When the PD-TABQ positive electrode is applied to an aqueous zinc ion battery, the PD-TABQ positive electrode has the high initial capacity of 163.4 mAh g <-1 > under the current density of 0.1 Ag <-1 >. And excellent performance and application prospects are shown in the field of aqueous zinc ion batteries.

The invention relates to a preparation method of a high-stability PtCoIn ternary alloy fuel cell cathode catalyst, and belongs to the field of new energy nanometer materials and the technical field of catalysis. The invention aims to solve the problems of poor stability and the like caused by easy dissolution of metal elements in a fuel cell working environment of a Pt-based catalyst. According to the main scheme, Co ions coordinated by 1, 10-phenanthroline are adsorbed on a BP2000 (Cabot) carbon carrier by adopting an impregnation method, then high-temperature carbonization is performed to obtain a modified Co-N-C carrier, then the modified Co-N-C carrier is placed in an aqueous solution in which chloroplatinic acid H2PtCl6. 6H2O, cobalt acetate tetrahydrate Co (Ac) 2.4 H2O and indium nitrate hydrate In (NO3) 3. XH2O are dissolved, after impregnation and metal ion adsorption, high-temperature pyrolysis and acid etching are performed, and the Co-N-C carrier is obtained. And removing the unreacted metal precursor and transition metal elements on the surface of the Pt alloy, and finally performing low-temperature carbonization to obtain the small-size, highly-dispersed and highly-stable PtCoIn ternary alloy fuel cell cathode catalyst with a Pt atomic layer structure on the surface.

Disclosed in the present invention are an ion-conjugated material and a metal coordination material thereof, and the antibacterial use thereof, wherein 2,9-diformyl-1,10-phenanthroline and 1,2,3-triaminoguanidine hydrochloride are brought into a reaction to prepare an ion-conjugated material, and metal ions are coordinated on the ion-conjugated material to form a new metal coordination covalent organic framework material, which has an efficient antibacterial and sterilizing performance against Escherichia coli and Staphylococcus aureus, and a greatly improved sterilizing performance under light irradiation. Specifically, in practice, the sterilizing rate against Escherichia coli and Staphylococcus aureus can reach 99% or more; furthermore, under irradiation with an ultraviolet lamp, the sterilizing performance against high-concentration bacteria is greatly improved.

The application discloses a method for synthesizing a single-atom catalyst, which comprises the following steps of mixing raw materials: taking dimethyl imidazole, zinc nitrate and graphene oxide as solutes, and taking anhydrous methanol as a solvent to form ZIF-8@GO through stirring; taking ZIF-8@GO and thiourea as solutes, and taking anhydrous methanol as a solvent to form S / ZIF-8@GO through stirring and adsorption; first-stage pyrolysis: pyrolyzing S / ZIF-8@GO in a protective gas atmosphere to form porous carbon (S, N-C); precursor preparation: after the porous carbon is cooled, phenanthroline (Phen) and a transition metal source (M) are added into the porous carbon to form a precursor M / S, N-C@Phen; and second-stage pyrolysis: pyrolyzing the M / S, N-C@Phen precursor in a protective gas atmosphere to obtain a M / S, N-C single-atom catalyst. The synthesis method is simple and effective, can be used for large-scale synthesis of a single-atom catalyst, is suitable for synthesis of various metal single-atom catalysts, and solves the problems of complexity in the prior art and difficulty in large-scale preparation.