226 results about "Fullerene" patented technology

The invention belongs to the technical field of organic electro-oxidation electrode materials, and particularly relates to a fullerene modified transition metal hydroxide nano array material as well as a preparation method and application thereof. A transition metal hydroxide nano array grows in situ on a current collector through solvothermal reaction, surface amino modification is achieved by means of grafting of a silane coupling agent with amino, and finally the transition metal hydroxide nano array material with the surface modified by fullerene is obtained through addition reaction of amino and fullerene carbon-carbon double bonds. The strong electron-withdrawing capability of the fullerene is beneficial to optimizing the surface electron structure of the material, so that the intrinsic catalytic activity is improved; meanwhile, fullerene can promote adsorption and enrichment of an organic substrate on the surface of the material through a conjugated pi bond, a hydrophobic effect and the like, so that the mass transfer efficiency is improved. Benefited from the lifting mechanism, the obtained nano array material has the advantages of high electrocatalytic activity and high mass transfer efficiency, and can be widely applied to a series of organic electrooxidation reactions.

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 relates to a dimer non-fullerene acceptor molecule based on a pyrone-ring lock structure, preparation of the dimer non-fullerene acceptor molecule and application of the dimer non-fullerene acceptor molecule as an acceptor photovoltaic material, and belongs to the technical field of organic solar cell materials. An A-D-A '-D-A type dimer non-fullerene acceptor molecule is designed and synthesized based on a pyrone structure, A is an electron withdrawing unit, D is an electron donating unit, and A' is an electron withdrawing unit based on the pyrone structure. The dimer molecule has a structural general formula I shown in the specification. Wherein EG is selected from conjugated groups with electron withdrawing capability, Ar is selected from conjugated groups with electron donating capability, and X is selected from hydrogen atoms or halogen. The dimer acceptor molecule shows a small dihedral angle, which is beneficial to accumulation between molecules, so that the material has high carrier mobility. The dimer acceptor molecule with the pyrone structure shows obviously improved stability under illumination and attack of a nucleophilic reagent, and the organic solar cell device shows good photoelectric conversion efficiency.

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.

The invention belongs to the technical field of perovskite photovoltaic materials, and particularly relates to a Y-type non-fullerene acceptor electron transport material driven by coordination supramolecular action, and a preparation method and application of the Y-type non-fullerene acceptor electron transport material. According to the invention, a core of benzothiadiazole of Y6 is substituted by high-polarity benzoline and crown ether, and two types of Y-type NFAs, Y-Phen and Y-CE are developed. The Y-Phen and the Y-CE are respectively used as the ETL of the perovskite solar cell to obtain 25.03% and 25.61% of laboratory power conversion efficiency, and a device using the Y-CE as the ETL obtains 25.59% of certified power conversion efficiency which is obviously higher than the power conversion efficiency (23.58%) of a device using Y6 as the ETL. Meanwhile, the degradation rate of the optimized device to PCE is lower than 10% after 1440 hours, and the device has excellent performance in preparation of perovskite solar cells.

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 metal complex type non-fullerene electron acceptor material, a preparation method and application, and relates to the technical field of organic photovoltaic devices, the novel metal complex type non-fullerene electron acceptor material is designed and synthesized by introducing metal ions into non-fullerene acceptor molecules. By reasonably designing the structure of the metal complex, the extinction coefficient of the material is remarkably improved, so that the material has higher light absorption capacity under unit thickness, and the light capture efficiency is improved. Heavy metal elements in the metal complex have relatively long excited state life and relatively strong carrier migration characteristics, so that the life of a photon-generated carrier is effectively prolonged, the recombination loss is reduced, and the photoelectric conversion efficiency is further improved. By introducing the metal complex, the charge transmission performance of a non-fullerene receptor is enhanced, the problems of short exciton diffusion distance and high exciton recombination rate in a traditional organic semiconductor material are solved, and photon-generated carriers can be effectively separated and migrated in a thin active layer.

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).

A tricone bit having one or more bearings with deposited lubricant layers is disclosed. The lubricant layers may comprise one or both of a metal-phosphate and / or solid lubricant. The lubricant layers may be disposed on one or more of the bearings, the journal bases, and / or the cones. The lubricant layers can also be used for applications of bearings other than for tricone bits. The deposited lubricant layers may be more persistent lubrication for tricone bits, such as air-cooled tricone bits, compared to conventional lubricants for tricone bits. The metal-phosphate layer may include one or more of zinc phosphate, manganese phosphate, iron phosphate, or the like. The solid lubricant may include one or more inorganic fullerenes, tungsten disulfide, molybdenum disulfide, graphite, graphene, or the like.

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.

The invention discloses a non-fullerene electron acceptor material with a side chain substituted with Y6 as well as a preparation method and application of the non-fullerene electron acceptor material. According to the non-fullerene electron acceptor material, on the basis of a Y6 molecular skeleton, a side chain substituent group R1 is introduced, and the chemical structural general formula of the non-fullerene electron acceptor material is shown as a formula I: [formula I] # imgabs0 #, and R1 is # imgabs1 #. The non-fullerene electron acceptor material with the side chain replacing Y6 is synthesized through a simple preparation process, spectral absorption and active layer morphology of the acceptor material are efficiently regulated and controlled, and the performance of the non-fullerene electron acceptor material is improved. The absorption is enhanced in a visible light region of 500-700nm, the open-circuit voltage of the cell is increased, and the highest photoelectric conversion efficiency reaches 16.1%.

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.