280results about "Fullerenes" patented technology

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.

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.

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 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.

The invention belongs to the technical field of two-dimensional material preparation, and particularly relates to a two-dimensional fullerene covalent network, an electrochemical synthesis method and a photoelectric detector. The method comprises the following steps: by taking a fullerene superlattice material as a cathode, an inert material as an anode and a mixed solution of quaternary ammonium salt containing hydrogen protons and a polar aprotic solvent as an electrolyte solution, performing electrochemical stripping under constant potential to obtain a large batch of two-dimensional fullerene networks within a short time. Based on intercalation and expansion of layered fullerene superlattices, in combination with an in-situ reduction assisting effect of solvated protons at the edge of Mg4C60 crystals, quaternary ammonium salt cations are electrically driven to perform rapid intercalation expansion, generated hydrogen bubbles destroy relatively strong interaction force between layers, rapid and uniform intercalation of the quaternary ammonium salt cations between the layers is promoted, and the performance of the Mg4C60 crystal is improved. The stripping efficiency is as high as 83%, the single-layer stripping rate is as high as 30%, and the stripped two-dimensional C60 covalent network keeps a complete crystal structure and a large size.

The invention belongs to the field of new energy CO2 electroreduction catalyst materials, and discloses a fullerene C60 supported copper cluster catalyst and application thereof in CO2 electroreduction, and the catalyst is prepared by enriching a copper complex on the surface of fullerene C60 and then performing electrochemical reduction. The copper cluster catalyst prepared by the method can be used for electrochemically reducing CO2 into CH4 under a neutral or alkaline condition, shows relatively high product selectivity and stability, and has the advantages of easiness in synthesis, simple process 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.

The invention relates to a fullerene composite material and a preparation method thereof, a perovskite solar cell and a preparation method thereof, and an electric device. The fullerene composite material comprises a main body material and a doping material, the main body material comprises at least one of first fullerene and a first fullerene derivative, and the doping material is selected from at least one of second fullerene and a second fullerene derivative. A part of the molecular structure of the doped material is embedded into the crystal lattice of the first fullerene and / or the first fullerene derivative.

Provided is a carbon nanotube dispersion liquid having excellent dispersion stability of single-layer carbon nanotubes. A carbon nanotube dispersion liquid according to an embodiment contains single-layer carbon nanotubes, carboxymethyl cellulose and / or a salt thereof, and water, wherein the content of the single-layer carbon nanotubes is 0.47-1.00 mass%. The carboxymethyl cellulose and / or the salt thereof contains at least one type of carboxymethyl cellulose and / or a salt thereof having a degree of etherification of 0.65-0.85 and a weight-average molecular weight of 120,000-250,000. The content of the carboxymethyl cellulose and / or the salt thereof is 120-220 parts by mass per 100 parts by mass of the single-layer carbon nanotubes.

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

Composite material units (CMU) of the structure (SE1-ML-LinkerL-Ligand2-SE2), are provided, wherein ML is a Mechanical Ligand, LinkerL is a chemical bond or entity that covalently links ML and Ligand2, Ligand2 is a chemical entity that is covalently linked to the structural entity SE2, or forms a mechanical bond with the structural entity SE2, and SE1 and SE2 are structural entities.

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

A light detection element with reduced dark current and improved external quantum efficiency. The light detection element comprises: an anode; a cathode; and an active layer disposed between the anode and the cathode and comprising a p-type semiconductor material and an n-type semiconductor material, wherein the thickness of the active layer is greater than 800 nm, and the value obtained by subtracting the absolute value of the LUMO of the n-type semiconductor material from the work function of the surface in contact with the cathode side surface of the active layer is 0.0 to 0.5 eV. In addition, the above-mentioned n-type semiconductor material has an absolute value of the LUMO of 2.0 eV to 10.0 eV.

To provide an efficient production method of a methanofullerene derivative suited for mass production, and to provide a sulfone compound suitably used in the production method.SOLUTION: A production method of a [6,6]methanofullerene derivative is characterized as including a step to make a sulfone compound represented by formula (I) and fullerene react with each other in a solvent and in the presence of a base. [In formula, R1 indicates a C1-30 alkyl group which may have a substituent or the like, R2 indicates a C6-30 aryl group which may have a substituent or the like, R3 indicates H or -X-C(=O)O-R4 (in formula, X indicates a single bond or a C1-10 alkanediyl group, and R4 indicates a C1-30 alkyl group which may have a substituent or the like).]SELECTED DRAWING: None

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.

A porous silicon-containing composite includes: a porous core including a porous silicon composite secondary particle; and a shell on at least one surface of the porous core, the shell including a first graphene, wherein the porous silicon composite secondary particle includes an aggregate of a first primary particle including silicon, a second primary particle including a structure and second graphene on at least one surface of the first primary particle and the second primary particle, and wherein at least one of a shape and a degree of oxidation of the first primary particle and the second primary particle are different. Also an electrode including the porous silicon-containing composite, a lithium battery including the electrode, and a device including the porous silicon-containing composite or the carbon composite.

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 greater generation of a desired allotrope of nanocarbon or a desired combination of two or more allotropes.

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

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.

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.

A process of integrating heat in a reaction includes performing an exothermic reaction, generating heat and products in response to performing the exothermic reaction, transferring the heat to an endothermic reaction, and performing the endothermic reaction in response to the heat from the exothermic reaction. In addition, a reaction system includes an exothermic reactor configured to perform an exothermic reaction, an endothermic reactor configured to perform an endothermic reaction, and a heat exchange surface configured to transfer heat from the exothermic reaction to the endothermic reaction.