179 results about "Fullerene" patented technology

The invention discloses a star-shaped tripolymer type non-fullerene acceptor material as well as preparation and application thereof. The star-shaped tripolymer type non-fullerene acceptor material has a structure as shown in the following formula: # imgabs0 #. According to the invention, a star-shaped trimer type oligomer material connected with a quinoxaline development center with a derivative site in the middle is adopted, so that the defect that the PCE of the current oligomer type acceptor material is influenced due to oligomerization based on a halogen substitution site of tail-end isatin is overcome; compared with a traditional small molecule material (oligomer type acceptor material), the material has higher open-circuit voltage (Voc), the photoelectric conversion efficiency is excellent, the illumination stability is good, and when the material is applied to a solar cell, the photoelectric conversion efficiency and stability of the cell can be remarkably improved.

A grease composition that includes at least an oil-based medium, a thickener, and a fullerene-like nano-structure. The fullerene-like nano-structure includes a plurality of layers each comprised of a metal chalcogenide composition has a molecular formula of MX2, where M is a metallic element selected from the group consisting of titanium (Ti), vanadium (V), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), zinc (Zn), zirconium (Zr), niobium (Nb), molybdenum (Mo), technetium (Tc), ruthenium (Ru), rhodium (Rh), palladium (Pd), silver (Ag), cadmium (Cd), hafnium (Hf), tantalum (Ta), tungsten (W), rhenium (Re), osmium (Os), iridium (Ir), platinum (Pt), gold (Au), mercury (Hg) and combinations thereof, and X is a chalcogen element selected from the group consisting of sulfur (S), selenium (Se), tellurium (Te), oxygen (O) and combinations thereof.

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.

Compounds of Formula Ia and Ib: (Ia) (Ib) wherein R, R1 and R2 are each independently a linear or branched C6-15-alkyl; X1, X2, X3 and X4 are each independently H, F, Cl or Br; and T1 and T2 are each independently ═O, ═C(CN)2, or ═CHCN, are disclosed herein. Organic photovoltaics (OPVs) based on binary and ternary compositions comprising a compound of Formula Ia and / or Ib are also disclosed. In an aspect, a compound of Formula Ia (electron acceptor material A1) was combined with PTB7-Th (electron donor material D1) to afford binary bulk heterojunction blends. In an aspect, a pair of compounds of Formula Ia (electron acceptor materials A1) were combined with PTB7-Th (electron donor material D1) to afford ternary bulk heterojunction blends. In a further aspect, a compound of Formula Ib (electron acceptor material A1) was combined with P3HT (electron donor material D1) to afford binary bulk heterojunction blends.

The invention discloses a fullerene dumbbell photocatalyst for improving photocatalytic hydrogen production performance through electron delocalization. The fullerene dumbbell photocatalyst has an acceptor-donor-acceptor characteristic, is of a fullerene-thiophene fused ring dumbbell-shaped structure, comprises two symmetrically modified fullerene carbon cages, is bridged by a fused ring electron donor in the middle, and is similar to a dumbbell in shape. The fullerene dumbbell compound has the structural characteristic as shown in the formula I. The catalyst is simple in preparation process and high in design regularity. Importantly, the dumbbell molecular photocatalyst has a remarkable electron delocalization property, so that the photocatalytic hydrogen production performance is greatly improved. According to the invention, beneficial guidance is provided for design of an efficient photocatalyst and photocatalytic hydrogen production.

Provided is an initial break-in lubricant composition capable of easily and economically reducing the coefficient of friction of a sliding portion. The initial break-in lubricant composition includes an organic dispersion medium and nanocarbon particles in a quantity from 0.1 to 2000 ppm by mass. The nanocarbon particles are preferably particles of one or more nanocarbon material(s) selected from the group consisting of: nanodiamonds, fullerenes, graphene oxide, nanographite, carbon nanotubes, carbon nanofilaments, onion-like carbon, diamond-like carbon, amorphous carbon, carbon black, carbon nanohorns, and carbon nanocoils.

Fullerene-functionalized vinyl polymer having general formula (I):wherein:x is a fractional number comprised between 0 and 0.89;y is a fractional number comprised between 0.01 and 0.9;z is a fractional number comprised between 0.1 and 0.99;provided that the sum of x+y+z is equal to 1;p is an integer comprised between 10 and 10000;w is an integer comprised between 50 and 250;n is an integer comprised between 1 and 12;R represents a hydrogen atom; or is selected from C1-C20, linear or branched, saturated or unsaturated, alkyl groups, optionally containing heteroatoms, optionally substituted aryl groups, optionally substituted heteroaryl groups, optionally substituted cycloalkyl groups, optionally substituted heterocyclic groups.Said fullerene-functionalized vinyl polymer having general formula (I) can advantageously be used as an electron acceptor compound in organic photovoltaic devices (or solar devices).

The present invention relates to an intrinsically polarized light detector comprising an optically active layer comprising a blended structure of a polymer donor and a small molecule acceptor, wherein the optically active layer exhibits anisotropy. The disclosed intrinsically polarized light detector based on a non-fullerene organic conjugated small molecule achieves simultaneous directional alignment of the polymer donor and the non-fullerene organic conjugated small molecule acceptor in the blended film, achieving optical anisotropy within their respective absorption spectrum bands. This enables the intrinsically polarized light detector to detect polarized light within the absorption spectrum bands of the two, filling a current research gap. Furthermore, the detector has the advantages of a simple structure, easy preparation, tunable response light, low energy consumption, room-temperature operation, and low cost, and holds great promise for future applications in complex, compact, integrated, and space-based detection and imaging systems.

The present invention provides an aqueous formulation comprising fullerene, structured water having a three-dimensional helical structure of polygonal water molecules with hollow cavities, dissolved hydrogen, a mineral, and an additive. The formulation provides a stable and biocompatible fullerene, which can be surrounded by micelles. The aqueous formulation has long term stability, thereby maintaining the concentration of hydrogen dissolved in the aqueous formulation over time. Also provided are methods of treating cancer comprising administering to a subject in need thereof an aqueous formulation comprising a fullerene, structured water having a three-dimensional helical structure of polygonal water molecules of hollow cavities, dissolved hydrogen, a mineral, and an additive.

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.

This invention relates to the field of fullerenes and their derivatives, specifically to a method, apparatus, and device for preparing high-fluorine-content fluorinated fullerenes via a gaseous homogeneous reaction. The method includes: providing a fullerene-containing raw material; heat-treating the raw material to obtain a sublimation product containing fullerene; and thoroughly mixing and reacting the sublimation product with a gaseous fluorinating agent to obtain a fluorinated product containing fluorinated fullerenes. The fluorinated fullerenes obtained using the preparation method provided by this invention have a higher fluorine content.

The application relates to the technical field of nitrile compound hydrogenation, and discloses a nitrile compound hydrogenation catalyst, a preparation method and application thereof, the catalyst comprising a carrier and an active component loaded on the carrier, wherein the active component comprises at least one of Ni, Co and Fe, the carrier comprises at least one of alumina and silicon dioxide and an electronic assistant, the electronic assistant comprises at least one of fullerene, graphene and carbon nanotube, and the content of the electronic assistant is 2-30% by weight based on the total weight of the carrier. The catalyst can effectively inhibit the generation of polymers such as secondary amine and tertiary amine under the premise of ensuring high conversion of nitrile compounds, so that the selectivity of amine products is improved.

The application relates to the technical field of high polymer composite materials, in particular to a modified polytetrafluoroethylene material and a preparation method thereof, the method comprises the following steps of S1, respectively preparing graphene-coated topological insulator powder, fluorine-containing surfactant modified liquid metal microdroplets and bifunctionalized fullerene, S2, mixing the three to prepare a pre-composite powder, S3, mixing with PTFE resin and then cold pressing to form, and S4, performing gradient sintering densification under a protective atmosphere, wherein the temperature rising rate is controlled to be less than or equal to 2 DEG C / min in a key temperature range of 250 DEG C to 340 DEG C, the application successfully solves the problems of multi-phase interface compatibility and high-temperature protection of functional components through unique component design and interface regulation and a gradient sintering process suitable for heat-sensitive components, and the application has the advantages of super-low friction coefficient, extremely high wear resistance, adjustable volume resistivity, significantly improved thermal conductivity and mechanical strength and excellent photo-thermal conversion efficiency.

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 relates to a preparation method of a quasi-superconducting composite strong magnetic material and a magnetizer device, belongs to the technical field of magnetic materials, and relates to the preparation method of the quasi-superconducting composite strong magnetic material, and the preparation method of the quasi-superconducting composite strong magnetic material comprises the following steps: S1, preparing a nano powder material; the preparation method comprises the following steps: preparing cobalt, black phosphorus, nickel alkene, dysprosium, graphene, fullerene and boron alkene into a nano powdery material; s2, preparing a powder blank, namely uniformly mixing nano-powder cobalt, black phosphorus, nickel alkene, dysprosium, graphene, fullerene and boron alkene powder materials according to a preset proportion to prepare a prepared powder blank; s3, powder blank die-casting is conducted, specifically, the prepared powder blank is subjected to die-casting forming in a high-pressure environment; and S4, in a high-pressure environment and an ultra-vacuum environment, performing high-temperature plasma sintering shaping on the die-cast powder blank at the temperature of 1500-3000 DEG C to obtain the nano quasi-superconducting composite material with required physical and mechanical properties.

The application discloses a high specific detectivity optical detection device and a preparation method thereof. The detection device is composed of a bottom substrate, a conductive cathode, an electron transport layer, an organic photoactive layer, a hole transport layer and a metal anode. The photoactive layer adopts a polymer donor PDPP3T and a fullerene acceptor PC 71 BM is blended to form a bulk heterojunction, and a solvent additive 1,8-diiodooctane is added to regulate the heterojunction morphology. The electron transport layer uses pure zinc oxide as a single interface layer or ethoxylated polyethyleneimine modified zinc oxide as a composite interface. Under the action of a reasonable additive content, the dark current of the detection device is significantly reduced, and a low dark current and high specific detectivity optical detection device is realized.

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.

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#

The application discloses a kind of high-performance pure organic magnetic composite material and preparation method thereof, the composite material is poly (3-hexyl thiophene) as electron donor, using fullerene as electron acceptor, synthesis poly (3-hexyl thiophene) / fullerene composite charge transfer object.Then after 4" -n-pentyl-4-cyanotriphenyl subsequent doping, poly (3-hexyl thiophene) / fullerene / 4" -n-pentyl-4-cyanotriphenyl composite material.The method and material used in the application enhance the degree of charge transfer between pure organic composite material and solid state structure order, so that composite material obtains high room temperature ferromagnetism and Curie temperature, overcome the shortcoming that organic magnetic material is unstable in performance in air, low Curie temperature.Through poly (3-hexyl thiophene), fullerene and 4" -n-pentyl-4-cyanotriphenyl three composite, provide a kind of simple operation, solid state structure packing order, good stability high magnetic pure organic component composite material preparation new method.

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 application discloses an oxygen-sensitive film and a preparation method and application thereof, and comprises the following steps: S1: fluorine-containing silane is dissolved in an organic solvent, hydrochloric acid and water are added to completely hydrolyze the fluorine-containing silane, the solution is placed at 50-80 DEG C for 1-5h, a capping agent is added, and the mixture is uniformly stirred and baked at high temperature to obtain material I; S2: a fluorescent indicator is dissolved in an organic solvent, and nano inorganic oxide is added to the solution, stirred, and layered after standing; centrifugation, drying and grinding are carried out to obtain material II; the fluorescent indicator is a fullerene material; S3: material I and material II are added to an organic solvent in a mass ratio of 50:1-100:1, and the mixture is uniformly stirred; and S4: the uniformly stirred solution in S3 is dropped on a substrate, dried after spin coating to obtain an oxygen-sensitive film. The oxygen-sensitive film has high sensitivity, good light stability and high-temperature stability, can be used for preparing an oxygen sensor, and has a wide application range.

Provided are: a compound which enables both the elongation of absorption wavelengths and the achievement of high solubility in an A-D-A type non-fullerene acceptor material; and a composition, a film, a photoelectric conversion element, and a CMOS image sensor each obtained using the compound. This compound is represented by general formula (1).　(1): A-D-A In general formula (1), the A moieties are each independently a specific electron-withdrawing group, and D is an electron-donating group comprising four or more rings connected along the main-chain direction of the molecule and includes a structure represented by general formula (2). In general formula (2), Q1 represents an oxygen atom, a sulfur atom, etc., and the R1 moieties each independently represent a hydrogen atom, an alkyl group, etc. and at least two of the R1 moieties are not hydrogen atoms.

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 application provides a precision preformed soldering piece and a preparation method thereof. By arranging a graphene layer between the preformed soldering piece and a flux layer, the welding quality and efficiency can be improved, the energy consumption and environmental pollution in the welding process can be reduced, the welding strength and corrosion resistance can be improved, the oxidation and thermal stress in the welding process can be reduced, the cavity rate can be reduced, the precision can be improved, fullerene is added in the alloy raw material, the fullerene has high chemical stability and strong mechanical properties, can form strong bonding with rare earth metals, has high heat conduction performance, can effectively dissipate heat, avoids overheating of the welding part to cause failure, significantly reduces the cavity rate, improves the precision of the welding, reduces the welding temperature required by the preformed soldering piece, and has excellent oxidation resistance, which can effectively prevent the oxidation of the metal surface.

The application belongs to the technical field of organic electro-oxidation electrode materials, and particularly relates to a fullerene-modified transition metal hydroxide nano-array material and a preparation method and application thereof. The application utilizes a solvent thermal reaction to in-situ grow the transition metal hydroxide nano-array on a current collector, then realizes surface amino modification by means of grafting of a silane coupling agent with amino groups, and finally obtains the surface fullerene-modified transition metal hydroxide nano-array material through an addition reaction of amino groups and a carbon-carbon double bond of fullerene. The strong electron-withdrawing capacity of fullerene is conducive to optimizing the surface electronic structure of the material, thereby improving the intrinsic catalytic activity. Meanwhile, fullerene can also promote the adsorption and enrichment of organic substrates on the surface of the material through conjugated π bonds and hydrophobic interactions, thereby improving the mass transfer efficiency. Benefiting from the above-mentioned improvement mechanisms, the obtained nano-array material has the advantages of high electro-catalytic activity and fast mass transfer efficiency, and can be widely applied to a series of organic electro-oxidation reactions.

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

The present application relates to a kind of water-soluble fullerene and intermediate, preparation method and application, it is related to material field, including for the compound of hydrophilic treatment to fullerene, and including its water-soluble fullerene, water-soluble fullerene it includes fullerene and the polyhedral molecular cage that it is wrapped, the polyhedral molecular cage is formed by compound M1 (6-vinyl pyridyl hexaphenylbenzene) self-assembly.The present application is assembled by the hydrophobic effect of six molecules in water, forms a water-soluble C 60 Molecular perfectly wrapped in cavity cubic supramolecular cage (6M1@C 60 ).It significantly improves the water-solubility of C 60 Without changing the original structure of C 60 .

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.

The invention is directed to a printing process in which a substrate to be printed is disposed opposite an ink carrier having a liquid ink layer and the liquid ink layer is irradiated regionally, wherein the liquid ink layer comprises a liquid and carbon containing particles X dispersed in the liquid, where said carbon containing particles X are present as carbon nanotube particles, graphite particles and / or structural analogue particles of graphite selected from the group consisting of graphene particles, graphene oxide particles, graphite oxide particles, fullerene particles and particles of graphite intercalation compounds.

To provide a compound that enables shifting of the absorption wavelength to a longer wavelength while maintaining light absorption properties in A-D-A type non-fullerene acceptor materials, and to provide a composition, a film, a photoelectric conversion element, and a CMOS image sensor, each made using the compound.SOLUTION: The present invention provides a compound represented by the following general formula (1): A-D-A. In general formula (1), each A independently represents a group represented by any one of the following general formulae (2a) to (2c), and D is an electron-donating group composed of 2 to 20 rings. In general formulae (2a) to (2c), Z is an oxygen atom or a dicyanomethylene group, Q is each independently an oxygen atom, a sulfur atom, a selenium atom, or a tellurium atom, and X is a sulfur atom, a carbon atom substituted with an alkyl group or an aryl group, a silicon atom substituted with an alkyl group or an aryl group, or a germanium atom substituted with an alkyl group or an aryl group.SELECTED DRAWING: None