220 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 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 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 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 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.

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.

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 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 rare earth organic acid salt complex with high far infrared emissivity and a preparation method and application thereof, the molecular general formula of the rare earth organic acid salt complex is RE (OA-SH) 3 (Phen), RE is a rare earth ion, OA-SH is a functionalized oleic acid ligand, Phen is phenanthroline, and the functionalized oleic acid ligand is 11-mercaptoundecane-9-olefine acid. According to the invention, the ternary complex with a clear structure is successfully constructed through a multi-step reaction. Compared with simple neodymium oleate, the ternary complex has the advantage that the far infrared emissivity can be increased from 0.92 to 0.97.

The application provides an electrochemical synthesis method of glycine, improves catalytic activity of nitrate reduction and C-N coupling process through atom-dispersed Co-N active sites, and improves mass transfer efficiency through ordered mesoporous structure, thereby relieving the problem of limited substrate diffusion in the reaction process, so that higher glycine Faraday efficiency and yield can be obtained; through taking cobalt acetate tetrahydrate, 1,10-phenanthroline and magnesium hydroxide as raw materials, and sequentially performing reflux coordination, high-temperature pyrolysis and acid washing template treatment, uniform anchoring and atomic-level dispersion of cobalt species in the carbon skeleton can be realized, agglomeration of cobalt particles in the heat treatment process is avoided, and therefore the utilization rate and catalytic activity of cobalt active sites are significantly improved. Meanwhile, the magnesium hydroxide as a template material is removed in the subsequent acid washing process, and rich mesoporous structure can be formed in the catalyst, which is beneficial to rapid diffusion and mass transfer of reactants, intermediates and products, and diffusion limitation in the reaction process is relieved.

The present invention provides a novel compound and an organic light-emitting device comprising the same, in which a rigid fluorene-based substituent is introduced into 1,10-phenanthroline having a non-shared electron pair. When the compound is applied to one or more organic layers of an electron transport layer (ETL), a hole blocking layer (HBL), and an N-type charge generation layer (N-CGL), the compound enables the implementation of low voltage, high efficiency, and long life of an organic light-emitting device.

The application discloses a preparation method and application of a rare earth cluster scintillator, and the scintillator material is prepared from 4,7-diphenyl-1,10-phenanthroline, 4-tert-butyl benzoic acid, titanium tetraisopropoxide and europium(III) acetate by a solvothermal reaction. The rare earth cluster scintillator material Eu2Ti4 prepared in the application has excellent flexibility and can be used for flexible imaging of non-planar materials. The minimum detection limit of the obtained scintillator is 32.89 nGy s ‑1 , which is 167 times lower than a standard medical diagnostic dose. The rare earth cluster scintillator process is simple, has high yield and fast crystal growth. The limit resolution of the Eu2Ti4-PDMS scintillation screen in the application exceeds 31 LP mm ‑1 at different temperatures, and the scintillation screen has excellent high-resolution X-ray radiation imaging capability and can be used as an ideal visualization tool for high-performance radiation imaging in extreme environments.

The invention discloses a light-emitting probe based on a europium-based metal-organic framework and a preparation method and application thereof, and belongs to the technical field of fluorescent sensing materials and food safety detection.The light-emitting probe is a europium-based metal-organic framework material, the chemical formula of the light-emitting probe is Eu (phen) (5-hipa) NO3 <->, phen is 1, 10-phenanthroline ligand, 5-hipa is 5-hydroxyisophthalic acid ligand, and the molecular weight of the Eu (phen) (5-hipa) NO3 <-> is larger than that of Eu (phen) (5-hipa) NO3 <->. The light-emitting probe takes a binuclear Eu cluster as a metal center. According to the luminous probe based on the europium-based metal-organic framework, the synthesized europium-based metal-organic framework material can be used as a bifunctional fluorescent probe, and specific recognition and quantitative detection of carbaryl and enrofloxacin are realized in an aqueous solution; the method has the remarkable effects of high sensitivity, strong anti-interference capability, recyclability and simplicity, convenience and rapidness in operation.

This invention discloses a method for preparing and applying a bifunctional iron-doped carbon dot photocatalyst for extracellular CO2 reduction and intracellular coenzyme regeneration. The method employs a dual-ligand chelation-hydrothermal method, using NaFeEDTA, 1,10-phenanthroline, and other raw materials to prepare iron-doped carbon-nitrogen quantum dots. This catalyst possesses a unique spatiotemporal decoupling dual function: extracellularly, it can efficiently photocatalyze the reduction of CO2 and selectively generate methanol; intracellularly, after being endocytosed by microorganisms, the catalyst can achieve efficient regeneration of reduced nicotinamide adenine dinucleotide (NADH) coenzyme. This catalyst can be used with methanol-nutritional acetic acid bacteria (such as... Acetobacterium By coupling microorganisms such as methanol and NADH, a photobiological coupling system is constructed to achieve efficient synthesis of acetic acid from CO2 by simultaneously providing carbon source (methanol) and reducing power (NADH).

The object of the present invention is to obtain a phenanthroline derivative capable of suppressing a decrease in luminous efficiency even at a current density higher than conventional ones. [Solution] The present invention provides a phenanthroline derivative represented by a specific formula (1), wherein, when analyzed by high performance liquid chromatography, the absorption intensity area of ​​the phenanthroline derivative represented by the specific formula (A) and / or the specific formula (B) is 0.001% to 0.300% of the absorption intensity area of ​​the phenanthroline derivative represented by the specific formula (1).

This invention discloses a method for synthesizing a terbium complex fluorescent probe and its application in the detection of metronidazole, belonging to the field of food safety technology. This invention utilizes 2,6-difluorobenzoic acid and 1,10-phenanthroline as ligands to synthesize a luminescent rare earth complex [Tb2(2,6-dfba)6(phen)2] with Tb(NO3)3·6H2O. The crystal structure shows that it is a binuclear terbium complex, which exhibits strong Tb2 fluorescence at 489, 545, 584, and 621 nm. 3+ The complex exhibits characteristic emission peaks and good time stability of its fluorescence intensity. It specifically and sensitively recognizes metronidazole, demonstrating rapid response (<1 min), a low limit of detection (43.7 nM), and a wide linear detection range (0–100 μM). It can be used for the quantitative detection of metronidazole in animal feed.

The invention relates to the technical field of material chemistry, and provides an aperture regulation and control method and application of a naphthalimide hydrogen bond organic framework. By changing the ratio of N, N-dimethylformamide to water, the hydrogen bond interaction between water and 2, 7-bis (4H-1, 2, 4-triazole-4-yl) benzo [lmn] [3, 8] phenanthroline-1, 3, 6, 8 (2H, 7H)-tetraone is changed, so that the pore size of the naphthalimido hydrogen bond organic framework is regulated and controlled. When the water content is relatively low, the self-hydrogen-bond aggregation characteristic of water is weakened by DMF, the hydrogen bond interaction between water and NDIT is enhanced, and large-aperture NDIT-HOF-1 is obtained; when the water content is increased, the self hydrogen bond aggregation characteristic of water is enhanced, so that the hydrogen bond interaction between water and NDIT is weakened, and small-aperture NDIT-HOF-2 is obtained. An NDIT-HOF pore channel contains an electron-rich nitrogen site from triazole and an electron-rich oxygen site from water, and a nitrogen-oxygen synergistic adsorption site can realize selective adsorption of Th (IV). The water participating in framework assembly also enhances the hydrophilic performance of the NDIT-HOF, accelerates adsorption kinetics, realizes rapid adsorption of Th (IV) in a complex environment, and has a good application prospect.

The invention provides an atomic-scale catalyst-carbon nanotube composite material as well as a preparation method and application thereof, and belongs to the technical field of electrochemical catalysis. The atomic-scale catalyst-carbon nanotube composite material prepared by the invention has a mutually cross-linked carbon nanotube three-dimensional conductive network, and the network contains a nitrogen-doped carbon matrix formed by in-situ pyrolysis of phenanthroline and wrapped on the outer wall of the carbon nanotube. An atomic-scale dispersed metal species M is stably anchored in a nitrogen-doped carbon matrix through an M-Nx coordination bond to form single / double atomic sites, so that a stable three-dimensional structure in which the carbon tube is used as a skeleton and the nitrogen-doped carbon is used as muscle is formed, and rich micropores and mesopores are formed. The prepared atomic-scale catalyst-carbon nanotube composite material has efficient catalytic activity and high conductivity, and shows excellent electrochemical performance when being used for electrochemical catalysis.