297 results about "Phenanthroline" patented technology

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 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 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 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 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 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.

The application provides an In-MOF crystal material and a preparation method and application thereof, and the molecular formula of the In-MOF crystal material is [In(phen)(BDC) 1.5 ]·H2O, wherein phen is 1,10-phenanthroline, and BDC is terephthalic acid ligand; the crystal belongs to a monoclinic crystal system P2 1 / n with a space group, and the cell parameters are alpha=90°, beta=97.774(2)°, gamma=90°, a=12.3359(3)Å, b=14.1993(4)Å, c=15.4995(4)Å, the cell volume is 2689.96(12)Å 3 , and Z=4. The application synthesizes an In-MOF crystal material by using a simple room temperature solvent evaporation method, and the In-MOF crystal material can be used as a catalyst for electrocatalytic carbon dioxide reduction, and realizes efficient carbon dioxide reduction to form formic acid.

A 1,10-phenanthroline derivative or a 2,2′-bipyridine derivative having different substituents at symmetrical positions is provided. An organic compound represented by General Formula (G1) or General Formula (G2) below is provided. In General Formula (G1) or (G2) below, any one of X2 to X5 or any one of X6 to X9 represents a halogen or a trifluoromethanesulfonyl group, and the others represent hydrogens. Any one of R2 to R5 or any one of R6 to R9 represents an aliphatic cyclic amino group. Note that a carbon to which the halogen or the trifluoromethanesulfonyl group is bonded and a carbon to which the aliphatic cyclic amino group is bonded are at line-symmetrical positions in a main skeleton (a 1,10-phenanthroline skeleton or a 2,2′-bipyridine skeleton).

The application provides an alloying modification method of a platinum catalyst, relates to the field of electrochemical catalysis, and particularly relates to the following steps: mixing 5% of a platinum carbon catalyst and a phytic acid solution uniformly, performing freeze-drying treatment, performing one-time pyrolysis, sulfuric acid treatment, and ultra-pure water cleaning and suction filtration, and drying to obtain a powder; adding ferrous sulfate and 1,10-phenanthroline, performing second-time pyrolysis, sulfuric acid treatment, and ultra-pure water cleaning and suction filtration, and drying to obtain an alloying modification carbon-based catalyst. The method is alloyed by the metal platinum and a transition metal, effectively improves the activity and stability of the catalyst, reduces the use amount of the noble metal platinum, and effectively reduces the manufacturing cost of the catalyst; and the alloying modification carbon-based catalyst obtained by the method can be used for the preparation of a primary zinc-air battery, a rechargeable zinc-air battery and the like.

This invention belongs to the field of catalyst technology, and relates to a metal ligand catalyst and a method for preparing lactic acid. The metal ligand catalyst is a complex formed by a metal and a ligand; the metal is one or more of manganese, copper, zinc, and molybdenum; the ligand is phenanthroline, pyridine, phosphine ligand, or nitrogen-phosphine ligand. The catalyst provided by this invention is low in cost, has relatively mild reaction conditions, is simple to prepare, and exhibits high selectivity for the preparation of lactic acid.

The present application relates to the technical field of electroluminescent device preparation, in particular to an OLED light-emitting composition and an electroluminescent device comprising the composition. The OLED light-emitting composition comprises an electron transport material and a light-emitting material, the electron transport material combines o-phenanthroline and a xanthene group, and has high electron mobility and a low energy level. A boron-nitrogen compound skeleton structure with multiple benzene rings is introduced into the light-emitting material, the skeleton structure is twisted in a planar configuration, the alkyl substituents contained in the large steric group are adjusted, the π-π mutual attraction caused by the introduction of benzene rings is weakened, the intermolecular force is further weakened, and the adverse effects of concentration quenching on efficiency are weakened. The OLED device prepared by using the composition of the present application has low starting voltage, high light-emitting efficiency and better service life, can meet the requirements of current panel manufacturing enterprises for high-performance materials, and has great commercial value.

The application discloses a method for regionally selective C3-H alkyne of triazolopyridazine compounds, and belongs to the field of organic synthesis. The method uses triazolopyridazine and high-valence iodine (III) alkyne reagent as raw materials, and a double catalytic system composed of Ph3PAuNTf2 (5 mol%), AgOTf (5 mol%) and 1,10-phenanthroline (20 mol%) in dichloromethane, and after reaction at 50 DEG C, the C3 alkyne product is obtained through purification. The method solves the problems of catalyst deactivation and poor selectivity caused by nitrogen-rich heterocyclic rings through gold / silver synergistic catalysis, and realizes precise functionalization of the C3 position. The reaction condition is mild, the substrate is widely applicable (R¹ contains various aryl groups and heteroaryl groups, and R² is compatible with different substituted aryl groups), the yield is 60% to 95%, the step is economical, and the method is suitable for large-scale preparation.

This invention discloses a method for preparing and applying a class of highly efficient catalytic materials for activating persulfate. The preparation method includes: dispersing g-C3N4 in nitric acid at room temperature, stirring, washing, and drying to obtain g-C3N4-H; placing it in an inert atmosphere and treating it at high temperature to obtain a g-C3N4 substrate; mixing it with iron salt, cobalt salt, water, and 1,10-phenanthroline to obtain a suspension; evaporating to dryness, grinding, drying, treating at high temperature, dispersing in nitric acid, washing, drying again, treating at high temperature in an inert atmosphere, and naturally cooling to obtain FeCo-g-C3N4 catalytic material. The method of this invention constructs structurally stable and highly dispersed FeCo bimetallic-nitrogen-carbon active centers on the g-C3N4 substrate; it can achieve efficient degradation of pollutants with low dosage, while the metal leaching rate is extremely low, avoiding secondary pollution; this catalytic material combines high activity, high stability, environmental friendliness, and operational economy, showing outstanding application potential in the field of advanced oxidation water treatment.

The invention provides a waste lithium iron phosphate direct regeneration method based on a 1, 10-phenanthroline organic lithium system and application of the waste lithium iron phosphate direct regeneration method in a battery, and relates to the technical field of positive electrode material repair and regeneration. The method comprises the following steps: reacting in an organic lithium reagent consisting of 1, 10-phenanthroline lithium and tetrahydrofuran to realize the supplement of active lithium and the recovery of lithium iron antiposition defects, and carbonizing organic matters remained on the surface of lithium iron phosphate while recovering lithium iron phosphate crystal lattices by virtue of roasting; and an amorphous carbon layer wrapping the lithium iron phosphate particles is formed so as to improve the conductivity of the lithium iron phosphate material and further improve the electrochemical performance of the battery. Compared with traditional pyrogenic process regeneration and wet process regeneration, the direct regeneration method provided by the invention has the advantages of simple operation and low energy consumption, has certain competitiveness in economic benefit, does not need high-pressure steam operation, and is high in safety.

This application discloses a phenanthroline benzimidazole-structured polyimide single rare-earth ion coordination full-spectrum luminescent material, its preparation method, and its applications, belonging to the field of polymer luminescent material preparation technology. This phenanthroline benzimidazole-structured polyimide single rare-earth ion coordination full-spectrum luminescent material comprises a phenanthroline benzimidazole-structured polyimide, a rare-earth ion, and a β-diketone-structured small organic molecule ligand bound through coordination. This polymer single rare-earth coordination material retains the advantages of polyimide while exhibiting the characteristics of rare-earth ions (Ln... 3+ The addition of ) brings special optical properties, coordination polymers and rare earth ions Tb 3+ PI-Tb formed after coordination 3+ It can emit full-spectrum white light (CIE = (0.31, 0.35)) and exhibits excellent thermal stability and solubility.

The invention discloses a preparation method and application of a cobalt-nitrogen-doped mesoporous carbon catalyst, and belongs to the technical field of catalyst preparation, and the preparation method comprises the following steps: mixing and grinding glucose and an SBA-15 mesoporous molecular sieve, pyrolyzing in a nitrogen atmosphere, soaking the obtained product in hydrofluoric acid to remove an SBA-15 template, alternately centrifuging with water and ethanol to obtain a precipitate, and drying to obtain the cobalt-nitrogen-doped mesoporous carbon catalyst. Mesoporous carbon is obtained; the preparation method comprises the following steps: respectively dissolving phenanthroline and cobalt chloride hexahydrate in ethanol, and mixing to form a Co-phen solution; and soaking the obtained mesoporous carbon in a Co-phen solution, evaporating the solvent after soaking, grinding into powder, and carrying out heat treatment in a nitrogen atmosphere to obtain the cobalt-nitrogen doped mesoporous carbon catalyst. The cobalt-nitrogen-doped mesoporous carbon catalyst shows excellent oxygen reduction catalytic activity under the alkaline condition, the half-wave potential reaches 0.873 V and is close to a 4-electron transfer path, and the stability and methanol tolerance are superior to those of a commercial Pt / C catalyst.

The invention discloses a supported bimetallic complex catalyst for synthesizing isovanillin and a preparation method and application thereof.The catalyst is composed of an inorganic porous carrier and an active component supported on the inorganic porous carrier, and the active component is a bimetallic complex formed by Cu, Co and 1, 10-phenanthroline; the inorganic porous carrier is an SBA-15 molecular sieve or amino-modified Fe3O4 (at) SiO2 magnetic nanoparticles with a core-shell structure. The catalyst is prepared from a metal salt, a ligand and a carrier in a solvent through a coordination-loading one-step method. The catalyst disclosed by the invention is applied to one-step synthesis reaction of isovanillin by taking heliotropin and sodium methoxide or potassium methoxide as raw materials, and shows extremely high catalytic activity and product selectivity (yield gt; and by virtue of the load-type characteristic, especially the application of the magnetic carrier, rapid magnetic separation and recovery and repeated recycling can be realized, so that the catalyst is obviously superior to a traditional homogeneous copper chloride catalytic system, and has the potential of simple steps, environment friendliness and suitability for industrial production.

The invention discloses an acid and alkali corrosion resistant glass lining ceramic glaze coating, a preparation method and application. The acid and alkali corrosion resistant glass lining ceramic glaze coating is prepared from the following raw materials: enamel glaze powder, quartz powder, clay, potassium carbonate, a coloring agent, sodium tripolyphosphate, modified zeolite, modified silica sol, calcium carbonate and nano zirconium oxide. The modified zeolite efficiently and selectively captures Fe < 2 + > by grafting phenanthroline, and performs ion exchange with Na < + >. The modified silica sol forms a firm, transparent and inorganic network structure film on the surface of the enamel coating, the film reacts with the modified zeolite to form amido bonds, the amido bonds are fixed on the surface of the enamel coating, and Fe < 2 + > is effectively prevented from being oxidized through hydrophobic modification and introduction of ascorbic acid. Calcium carbonate is used as a pore-forming agent and provides a huge loading area and a permeation channel for the modified zeolite and the modified silica sol. The nano-zirconia improves the mechanical strength of the enamel matrix on one hand, and enhances the binding force between the modified silica sol and the enamel coating through a co-condensation reaction on the other hand.

The application discloses a kind of Fe-N-C loaded gamma-Fe2O3 hollow ball material catalyst and its preparation method and application, the chemical formula of the catalyst is Fe (phen) 3Cl2, wherein, phen in structural formula is 1,10-ortho-phenanthroline ligand;The catalyst structural formula is as follows: the preparation method includes the following steps, and is prepared by pyrolysis of iron-based complex crystal and metal organic framework material ZIF-8, and the iron-based complex crystal is Fe (phen) 3Cl2 complex crystal.The catalyst can be used for the preparation of CO2 at normal temperature and pressure electrocatalytic reduction CO, the catalyst shows excellent CO selectivity in-0.5V~‑1.1V wide potential window, and after 2h continuous electrolysis at-0.6V, current density and CO Faraday efficiency are basically unchanged, and show excellent stability.

Provided are: an organic compound of a 1, 10-phenanthroline derivative or a 2, 2 '-dipyridyl derivative, which has substituents at symmetrical positions and which are different from each other; and a method for synthesizing the organic compound of the 1, 10-phenanthroline derivative or the 2, 2'-dipyridyl derivative. Provided is an organic compound represented by general formula (G1) or general formula (G2). In general formula (G1) or general formula (G2), any one of X2 to X5 and X6 to X9 is a halogen or a trifluoromethanesulfonyl group, and the others are hydrogen. In addition, any one of R2 to R5 or R6 to R9 is an aliphatic cyclic amino group. Note that the position of a carbon substituted by a halogen or a trifluoromethanesulfonyl group and the position of a carbon substituted by an aliphatic cyclic amino group are axisymmetric positions in the main skeleton (1, 10-phenanthroline skeleton or 2, 2 '-bipyridine skeleton).

Provided are a solid polymer fuel cell and a water electrolysis device which each include: a membrane / electrode / gas diffusion layer assembly (MEGA) comprising a solid polymer electrolyte membrane, catalyst layers bonded to both surfaces of the solid polymer electrolyte membrane, and a gas diffusion layer disposed on the outer side of each catalyst layer; and a deterioration inhibitor added to any portion of the MEGA. The deterioration inhibitor includes a complex comprising an Fe ion and ligands coordinated thereto. The ligands include 1,10-phenanthroline-5,6-dione and / or a derivative thereof. The content of the deterioration inhibitor is preferably 0.0001-10.0 mol%.

The application belongs to the technical field of perovskite solar cells, and particularly relates to a perovskite solar cell and a hole transport material thereof, wherein the hole transport material is specifically a phenanthroline metal complex, has the structural formula shown in the following formula (I), is low in cost, and can be used in the perovskite solar cell to improve device stability.

The invention belongs to the technical field of fluorescent dyes, and particularly relates to a phenanthroline-based double-BODIPY fluorescent dye with an asymmetric structure as well as a preparation method and application of the phenanthroline-based double-BODIPY fluorescent dye. The preparation method comprises the following steps: mixing a chlorinated BODIPY derivative with 1, 10-phenanthroline-5-amino, adding palladium acetate, tri-tert-butylphosphine, potassium tert-butoxide and toluene, and carrying out a heating reflux reaction; and after the reaction is finished, cooling, reducing pressure to remove toluene, dissolving the obtained product with dichloromethane, washing, drying, concentrating, and separating and purifying through silica gel column chromatography to obtain the target dye. The unique asymmetric structure in the prepared target dye destroys the planarity and symmetry of molecules, effectively weakens the fluorescence quenching effect caused by molecular self-absorption and pi... pi accumulation, and further has relatively large Stokes shift and high solid-state luminous efficiency; good application potentials are shown in a plurality of fields such as high-performance solid-state light-emitting devices and biological probes.

This application relates to the field of polymer composite materials, specifically to a high thermal conductivity polyphenylene sulfide composite material, its preparation method, and its applications. By designing and synthesizing a block copolymer compatibilizer, polar urea bonds are introduced into the middle of the molecular chain, and trifluoromethyl and phosphoro-phenanthroline structures are introduced into the compatibilizer through the amino groups at both ends. This improves the bonding effect between the compatibilizer and the insulating and thermally conductive filler and the polyphenylene sulfide resin matrix, while simultaneously enhancing the flame retardancy and hydrophobicity of the composite material. Furthermore, the compatibilizer can form an effective thermal conduction pathway, reduce the agglomeration of boron nitride filler, and fill interfacial voids between the filler and the polyphenylene sulfide resin matrix, thereby improving the thermal conductivity, processability, mechanical properties, and reducing the dielectric constant of the composite material. When used in high-frequency circuits, this composite material can reduce signal crosstalk and maintain signal integrity.

The application relates to application of iron-nitrogen doped graphene in preparation of anti-radioactive enteritis drugs and belongs to the technical field of biological medicines. ZIF-8 powder, 1,10-phenanthroline powder, iron (II) acetate powder and a grinding medium are placed in a closed container to perform mechanical ball milling treatment to obtain a mixed powder; under the protection of inert gas, the mixed powder is placed in a preheated tube furnace to perform pyrolysis treatment, and is cooled to room temperature to obtain iron-nitrogen doped graphene. The iron-nitrogen doped graphene has NADH oxidase-like activity, can directly catalyze the conversion of NADH into NAD + , can rapidly supplement NAD + depletion caused by radiation, can enhance PARP-dependent DNA damage repair, can reduce the generation of active oxygen (ROS), can reduce intestinal cell death and can protect the integrity of intestinal structure, and can realize efficient protection of radioactive enteritis. Moreover, the problem of low-efficiency biosynthesis of NAD + supplementation in existing radioactive intestinal injury protection technologies is solved.

The present application relates to a synthesis method of deuterium-labeled substances containing deuterium atom structural units, which comprises mixing aryl chloride with deuterium water in an organic solvent, adding a catalyst of ethylene glycol dimethyl ether-nickel dichloride and a ligand of 2,9-dimethyl-1,10-phenanthroline, and then reacting under the condition of zinc powder and nitrogen protection to obtain the deuterium element labeled compound. The present application uses ethylene glycol dimethyl ether-nickel dichloride as a catalyst, and aryl chloride can react with deuterium water to generate deuterium atom substitution products under the condition of nitrogen at normal temperature and pressure. The reaction condition is simple and mild. Meanwhile, the range of alternative substrates is more extensive, and the use of inexpensive nickel as a catalyst has higher economic value compared with the previous reports.

The invention provides a compound containing a phenanthroline structure as well as a preparation method and application thereof. The structure of the compound is shown as a general formula (1) or a general formula (2), the electron accepting capability of the compound containing the phenanthroline structure can be improved when the general formulas R1-R4 are connected with corresponding functional groups, the compound is applied to preparation of an organic light-emitting device, the driving voltage can be effectively reduced, the current efficiency is improved, the working life of the device is prolonged, and the application prospect is wide. Therefore, the requirements of the current OLED manufacturing industry on high-performance electron transport materials are met.