159results about "Fullerenes" patented technology

The invention provides embedded metal fullerene and a preparation method thereof. The preparation method comprises the following steps: mixing a metal source and graphite powder, and filling a hollow graphite rod with the mixture to prepare an anode; the electrode is installed at the anode end of an electric arc furnace, and on-line activation is conducted through anode and cathode short-circuit current under the inert atmosphere; then carrying out arc discharge under specific air pressure and current, and collecting generated carbon ash; performing ultrasonic extraction by using an organic solvent to obtain a fullerene crude extracting solution; and finally, performing multi-stage separation and purification by high performance liquid chromatography, and performing primary and fine separation by sequentially adopting preparative and semi-preparative chromatographic columns to obtain a high-purity product. According to the method, a complete technical path capable of efficiently and controllably preparing the ultra-high-purity embedded metal fullerene is formed through a synthesis process integrating online activation and accurate atmosphere regulation and control and a multi-stage gradient chromatography purification strategy, and a solid foundation is laid for application of atomic-scale accurate materials in the frontier fields of quantum devices and the like.

A method of manufacturing a carbon nanostructure, such as a carbon foam material, is disclosed. The method comprises the steps of: (a) using a first laser beam to irradiate an encapsulated or sub-surface region of a carbon pre-cursor material below a surface of the material, to create carbon foam in that sub-surface region, and a disorganised, amorphous non-graphene material above the carbon foam, and then (b) using a second laser beam to remove or ablate the disorganised, amorphous non-graphene material sitting above the carbon foam, to expose at least some of the carbon foam. The resultant carbon foam material shows a significant D peak; the 2D peak is significantly less than the G peak; and the peak D:peak G ratio is significantly above zero. In appearance and Raman signature, it appears similar to a carbon nano-onion material. It can be used in biosensors, supercapacitors and pseudo-capacitors.

To provide a composite material using fullerene and a metal-organic framework, a method for producing the same, and a quartz crystal resonator sensor using the same.SOLUTION: The composite material of the present invention comprises fullerene nanotubes and a zeolitic imidazolate framework (ZIF) containing metal ions positioned on surfaces of the fullerene nanotubes. The method for producing the composite material of the present invention comprises acid-treating fullerene nanotubes, mixing and reacting the fullerene nanotubes, imidazole or a derivative of the same, and a salt of a metal element in a solvent, and washing and drying an obtained product.SELECTED DRAWING: Figure 1

The invention discloses a nitrogen / phosphorus co-doped fullerene material and a preparation method and application thereof.The nitrogen / phosphorus co-doped fullerene material is composed of fullerene, melamine and ammonium hypophosphite, the fullerene serves as a carbon skeleton precursor to form a rich pentagonal topological defect structure in the high-temperature pyrolysis process, and the nitrogen / phosphorus co-doped fullerene material is obtained; melamine and ammonium hypophosphite are respectively used as a nitrogen source and a phosphorus source, are decomposed at a high temperature and are uniformly doped with nitrogen and phosphorus atoms in a carbon skeleton. The method comprises the following steps: dissolving fullerene in carbon disulfide, adding melamine, uniformly mixing, heating until the carbon disulfide is completely volatilized, adding an ammonium hypophosphite solution, and pyrolyzing in an inert atmosphere to obtain the nitrogen / phosphorus co-doped fullerene material. The electrocatalyst provided by the invention has a relatively large specific surface area, can provide more active sites, and also can provide higher mass transfer efficiency and HO selectivity due to rich pores and a topological defect structure, so that the oxygen reduction reaction rate can be improved.

To provide a method of forming highly spherical carbon nanomaterial-graft-polyolefin (CNM-g-polyolefin) particles.SOLUTION: The method may comprise: mixing a mixture comprising (a) a carbon nanomaterial-graft-polyolefin (CNM-g-polyolefin), (b) a carrier fluid that is immiscible with the polyolefin of the CNM-g-polyolefin, optionally (c) a thermoplastic polymer not grafted to a CNM, and optionally (d) an emulsion stabilizer at a temperature higher than a melting point or softening temperature of the polyolefin of the CNM-g-polyolefin and the thermoplastic polymer, if included, and at a shear rate sufficiently high to disperse the CNM-g-polyolefin in the carrier fluid; cooling the mixture to below the melting point or softening temperature to form the CNM-g-polyolefin particles; and isolating the CNM-g-polyolefin particles from the carrier fluid.SELECTED DRAWING: Figure 1

This application relates to a fullerene composite material and a preparation method therefor, a perovskite solar cell and a preparation method therefor, and an electrical device. The fullerene composite material includes a host material and a doping material, where the host material includes at least one of a first fullerene and a first fullerene derivative, the doping material is selected from at least one of a second fullerene and a second fullerene derivative, and a molecular structure of the doping material is partially embedded in a lattice of the first fullerene and / or the first fullerene derivative.

The invention relates to a method for producing an anode of an alkali-ion battery, comprising: - providing a preferably molecularly dispersed fullerene Cx, where x is a number between 20 and 100 and the fullerene Cx is dissolved in a solvent or is present as a molecular beam comprising evaporated fullerene molecules; - providing an electrically conductive substrate; and - coating at least one surface of the electrically conductive substrate with the molecularly dispersed fullerene Cx. The invention also relates to a battery anode material comprising a fullerene Cx which is designed to reversibly bind at least one of the cations Na+, Li+, K+ and Cs+.

The invention provides an anti-biofilm composition based on the synergistic effect of amino fullerene and vancomycin and application of the anti-biofilm composition. The mass ratio of the amino fullerene to the vancomycin is 10: 1. The amino fullerene derivative and vancomycin are combined to have a remarkable synergistic effect in the aspect of inhibiting the formation of the biological membrane for the first time, and the inhibition rate of the biological membrane reaches 93%, so that the amino fullerene derivative and vancomycin have a strong synergistic effect. The composition provided by the invention can effectively remove more than 40% of formed mature biological membranes (24-48-hour biological membranes), which is an effect which cannot be realized by independent use of vancomycin.

Embodiments of the present disclosure relate to methods and apparatus for producing carbon nanomaterial (CNM) products, which may include carbon nanotubes and various other allotropes of nanocarbon. The methods and apparatus use consumable carbon dioxide (CO2) and renewable carbonate electrolyte as reactants in an electrolysis reaction to make CNTs. In some embodiments of the present disclosure, the operating conditions of the electrolysis reaction may be varied to produce CNM products with even greater generation of a desired allotrope of nanocarbon or a desired combination of two or more allotropes.

The present disclosure provides a heating film, a manufacturing method thereof, a heating element, and a heating electrical device, the heating film comprising graphene and an auxiliary agent, the auxiliary agent comprising at least one of a reinforcing agent, a warming agent, and a spectral adjuster, the reinforcing agent comprising at least one of ammonia water, glucose, ethylene glycol, ethylenediamine, carboxymethylcellulose, polyvinyl alcohol, polyethylene glycol, and chitin, the warming agent comprising at least one of carbon nanotubes, fullerenes, carbon black, and graphene nanoplatelets, and the spectral adjuster comprising at least one of silicon carbide, boron nitride, and silicon nitride.

The invention discloses a carbon material rich in intrinsic defects as well as a preparation method and application thereof, and belongs to the technical field of catalysts, fullerene or fullerene derivative carbon cages adopted by the invention have a pi conjugated structure, so that relatively strong pi-pi interaction force exists among molecules. Fullerene or a fullerene derivative is used as a raw material, a macroscopic crystalline material, namely a fullerene condensed state precursor, is obtained through self-assembly based on intermolecular acting force, the fullerene condensed state precursor is subjected to pre-etching treatment through oxygen plasma, surface modification is conducted on the fullerene condensed state precursor, and the fullerene or fullerene derivative is obtained. The preparation method comprises the following steps: preparing a fullerene condensed state precursor, performing two-stage temperature programming heat treatment of low-temperature pre-etching treatment and high-temperature roasting in ZnCl2 molten salt, endowing the fullerene condensed state precursor with five-membered ring topological defects and carbon intrinsic defects of boundaries and curvatures, so as to obtain the carbon material rich in intrinsic defects, and endowing the carbon material with good electro-catalytic performance by the intrinsic defect sites.

To provide a production method of a carbonaceous material dispersion for removing moisture easily and quickly from a carbonaceous material dispersion without deterioration of stability of the dispersion.SOLUTION: There is provided a production method of a carbonaceous material dispersion in which carbonaceous material particles are dispersed in an organic dispersion medium, the method comprising: a step for adding the carbonaceous material particles into the organic dispersion medium and dispersing the particles for forming a carbonaceous material dispersion, then blowing a dry inert gas into the dispersion whose temperature is held to 20-120°C for bringing the dispersion into contact with the dry inert gas for evaporating moisture in the dispersion.SELECTED DRAWING: Figure 1

This fullerene derivative has a structure represented by formula (1) or formula (2) (wherein Ar represents a substituted or unsubstituted aromatic ring, * represents a carbon atom at a linkage point with respect to a fullerene core, X represents O, S, Se, or Te, and R represents an organic group).

The present disclosure relates to a carbon-based nanomaterial composition that may be formed from a gas mixture and a silicon powder. The gas mixture may include a carbon based gas, an oxygen gas, and a hydrogen gas. The carbon-based nanomaterial composition may include silicon doped nanospheres.

The invention belongs to the technical field of magnetic materials, and particularly relates to a multifunctional three-dimensional porous composite material and a preparation method thereof. The composite material comprises the following components in percentage by weight: 75-90% of ferrite and 10-25% of a ferrite / graphene composite material. The invention relates to a preparation method of a multifunctional three-dimensional porous composite material. The preparation method comprises the steps of ferrite precursor preparation, fullerene precursor preparation, ferrite / graphene composite powder preparation and composite material preparation. The invention develops a multifunctional ferrite material compounded with graphene, fullerene and a negative ion material and a preparation method thereof, and the material has high magnetic strength, infrared radiation function and negative ion release function, and can be widely applied to the fields of environmental protection, medical treatment, health care, sanitation and the like.

The invention belongs to the technical field of magnetic materials, and discloses a room-temperature molecular magnet and a preparation method and application thereof, the room-temperature molecular magnet is an organic eutectic, an acceptor in the organic eutectic is fullerene, and a donor in the organic eutectic is H2TPP, MgTPP, MnTPP, FeTPP, CoTPP, NiTPP, CuTPP or ZnTPP. The preparation method of the organic eutectic is simple, and the organic eutectic has good ferromagnetism at 300K, shows room-temperature magnetism and has good application prospects in magnetic semiconductors.

1. A method for producing graphene and hydrogen, the method comprising: heating a hydrocarbon feed comprising light hydrocarbons to about 500°C to produce a preheated hydrocarbon feed; heating ferrocene in a first reactor to a temperature above the sublimation temperature of the ferrocene; introducing a portion of the preheated hydrocarbon feed into the first reactor, wherein the light hydrocarbons react with the ferrocene to produce a mixture comprising light hydrocarbon gas and sublimated ferrocene; combining the mixture comprising the light hydrocarbon gas and the sublimated ferrocene with the preheated hydrocarbon feed to produce a reactor feed stream; and introducing the main reactor feed to a second reactor operating at about 1000°C to produce a product mixture comprising hydrogen and solid carbon particles.

The invention discloses a synthesis method of a fullerene nano material with glycolipid metabolism regulation capability, and belongs to the technical field of material science and biomedical engineering. The fullerene and the metformin are combined through chemical bonds, the strong oxidation resistance of the fullerene and the hypoglycemic effect of the metformin are exerted at the same time, the synergistic treatment effect is formed, and the drug composition is superior to a single drug; active oxygen in cells can be efficiently removed, oxidative stress is effectively relieved, and the functions of pancreatic beta cells are protected; through structural modification, the problem of low bioavailability caused by hydrophobicity of fullerene and hydrophilicity of metformin is solved, and the solubility and absorption efficiency of the medicine are improved; in conclusion, through chemical combination of the fullerene and the metformin, a dual-mechanism synergistic effect of oxidation resistance and blood sugar reduction is achieved, the treatment effect is remarkably improved, meanwhile, good safety and biocompatibility are achieved, and important application value is achieved in the field of treatment of the type II diabetes mellitus.

A method of manufacturing a carbon nanostructure, such as a carbon foam material, is disclosed. The method comprises the steps of: (a) using a first laser beam to irradiate an encapsulated or sub-surface region of a carbon pre-cursor material below a surface of the material, to create carbon foam in that sub-surface region, and a disorganised, amorphous non-graphene material above the carbon foam, and then (b) using a second laser beam to remove or ablate the disorganised, amorphous non-graphene material sitting above the carbon foam, to expose at least some of the carbon foam. The resultant carbon foam material shows a significant D peak; the 2D peak is significantly less than the G peak; and the peak D:peak G ratio is significantly above zero. In appearance and Raman signature, it appears similar to a carbon nano-onion material. It can be used in biosensors, supercapacitors and pseudo-capacitors.

The present invention discloses a Schwarz-body carbon nanoring, a synthesis method thereof, and its application in the separation of fullerene allotropes. The Schwarz-body carbon nanoring has a structure represented by the following formula (I): #imgabs0# In formula (I), n represents the number of dibenzocyclooctatetraene structural units in the Schwarz-body carbon nanoring, and is an integer selected from 3 to 7. The synthesis method comprises: synthesizing the Schwarz-body carbon nanoring by a Yamamoto coupling reaction catalyzed by a nickel catalyst using a compound having a structure represented by the following formula (V) as a monomer; #imgabs1##imgabs2#

A nanostructure includes a plurality of substantially spherically curved carbon layers having diameters in a range of 1 nanometer to 1000 nanometers and a plurality of nitrogen atoms attached to an outer convex side of the carbon layers. A composition of matter includes a liquid fuel and an additive including at least one liquid and a plurality of carbon nano-onions. A method of fabricating an additive for liquid fuel includes creating a carbon based material using a plasma in an environment including at least one hydrocarbon gas and / or at least one liquid containing hydrocarbons, organometallic metal-complex, and / or element-organic compounds, evaporating organic material from the carbon-based material, nitrating the carbon-based material, and extracting carbon nano-onions from the nitrated carbon-based material.

To provide fullerene-coated boron nitride particles capable of improving voltage-resistant performance with no loss of heat radiation performance when applied to a heat radiation member of a semiconductor device, that are easily manufacturable at low cost; and to provide a resin composition using the same, a resin sheet, a semiconductor device and a manufacturing method of the fullerene-coated boron nitride particles thereof.SOLUTION: Fullerene-coated boron nitride particles comprise hexagonal boron nitride particles, and fullerene covering at least part of a surface made of the hexagonal boron nitride particles.SELECTED DRAWING: Figure 1

The invention discloses a preparation method and a preparation device of fullerene, and relates to the technical field of fullerene. The preparation method of the fullerene comprises the following steps: S1, carrying out gasification treatment on an organic substrate under first vacuum pressure to obtain a gasified product; s2, under second vacuum pressure, inert gas is used for carrying the gasification product into a pyrolysis chamber, and after pyrolysis treatment, a pyrolysis product is obtained; and S3, cooling the pyrolysis product to obtain carbon ash containing fullerene, so that the yield and purity of the fullerene can be improved.

The invention discloses a nitrogen-embedded indanone C60 derivative with an addressable spinning energy level and a preparation method of the nitrogen-embedded indanone C60 derivative. A double-cavity structure with an ion source cavity and a reaction cavity connected in series is adopted for preparation, and the preparation method comprises the following steps: taking the indanone C60 derivative as a sublimation raw material, and bombarding the sublimated indanone C60 derivative by using a nitrogen-containing ion beam to realize ion implantation so as to directly form the nitrogen-embedded indanone C60 derivative. Through modification of indanone and introduction of zero field splitting, electron spin transition of embedded nitrogen atoms is degenerated, good spin energy level addressability is achieved, and zero field splitting parameters are respectively calibrated as D = 17.17 MHz and E = 0.39 MHz. The preparation method overcomes the double difficulties of difficult synthesis of the intrinsic nitrogen-embedded fullerene in the preparation of the nitrogen-embedded fullerene derivative and ineffective loss of the intrinsic nitrogen-embedded fullerene in the chemical modification process.

Embodiments of the present disclosure generally relate to methods of producing carbon-nitrogen allotrope nanomaterials. More specifically, the methods of the present disclosure utilize nitrogen-containing compounds as a feedstock for nitrogen doped carbon nanomaterial production. In some embodiments, a method for forming carbon-nitrogen nanomaterials includes mixing a nitrogen-rich feedstock, carbon-based feedstock, and a catalyst to form a feed solution. The method further includes injecting the feed solution into a carrier gas stream and into a heated reaction vessel. The heated reaction vessel includes a first zone and a second zone. The method further includes heating the feed solution within the first zone at a first temperature. The method further includes heating the feed solution within the second zone at a second temperature to form the carbon-nitrogen nanomaterials. The method further includes removing the carbon-nitrogen nanomaterials from the heated reaction vessel.

To provide industrially useful fullerene derivative solutions, etc. [Solution] The fullerene derivative solution comprises a fullerene derivative, one or more first solvents, and one or more second solvents, wherein the boiling point of the first solvent is 200°C or lower. The boiling point of the second solvent is 100°C or lower. Among the Hansen solubility parameters of the first solvent, when the dispersion force term is δD1, the polarity term is δP1, and the hydrogen bonding term is δH1, the following conditions are satisfied: 17.8 ≤ δD1 ≤ 18.9, 4.4 ≤ δP1 ≤ 4.7, and 4.8 ≤ δH1 ≤ 6.9. The volume ratio of one or more first solvents to the total volume of one or more first solvents and one or more second solvents is greater than the volume ratio of one or more second solvents to the total volume.

The present disclosure related to compositions and methods of multifunctional fullerene nanoparticles.

The invention discloses two-dimensional fullerene and an alkali metal intercalation stripping method and application thereof, and belongs to the technical field of two-dimensional fullerene preparation.The stripping method comprises the steps that a fullerene superlattice material and molten alkali metal are mixed and subjected to an intercalation reaction, and an alkali metal intercalation compound is obtained; and dispersing the alkali metal intercalation compound in a solvent containing an electron quencher, and stripping to obtain the two-dimensional fullerene. By means of the mild intercalation and electron quenching solvation stripping technology, efficient stripping is achieved within a short time, and high quality and high yield of the material are guaranteed. Compared with an organic cation intercalation layer, the stripping speed is high, the stripping efficiency is high, alkali metal and a solvent containing an electron quencher are easy to remove, almost no residue exists, and the conductivity, the thermal stability and the catalytic activity of the product are all improved. Compared with an electrochemical stripping method, the method does not need an external electric field, avoids bubble-mechanical disturbance, and is high in stripping speed and efficiency, less in residual ions and higher in skeleton integrity.

The invention discloses a preparation method of a fullerene-containing metal wear self-repairing material for a transmission lubricating system, and relates to the technical field of lubricating materials. Comprising the following steps: (1) pretreating raw materials, and preparing artificially synthesized nano hydroxyl magnesium silicate, fullerene-nano indium composite powder and micro-nano composite hydroxyl magnesium silicate powder; (2) preparing a fullerene-indium-copper-lithium quaternary composite dispersion liquid; (3) mixing the micro-nano composite hydroxyl magnesium silicate powder and the composite dispersion liquid in the modified base oil in a gradient manner, and adding an antioxidant and an anti-settling agent; and (4) regulating the particle size to D50 = 500-800nm and the viscosity to 150-200mm / s at 40 DEG C, and carrying out vacuum degassing and packaging to obtain a finished product. According to the method, shutdown-free in-situ repair of the worn surface of the transmission system is achieved, the friction coefficient is reduced to 0.02-0.06, the hardness of the metal surface is improved by 1-2 times, and the service life of equipment is prolonged by one time or above.