78 results about "Fullerene" patented technology

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.

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 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 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.

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 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 application discloses a catalyst for esterification and hydrogenation of maleic anhydride to prepare 1,4-butanediol as well as a preparation method and application thereof. 2n The catalyst is Cu-M-C 2n at least one selected from fullerene and derivative materials, 2n is the number of carbon atoms of the fullerene material, and 60<=2n<=120. The catalyst is used for hydrogenation reaction of dialkyl maleate / dialkyl succinate, can selectively prepare 1,4-butanedioic acid, and can produce tetrahydrofuran and gamma-butyrolactone, and has the advantages of high activity, good selectivity and long running life.

The invention relates to a copper nanocluster / fullerol nano composite material, a polymer nonlinear optical thin film and a preparation method and application of the polymer nonlinear optical thin film, and the copper nanocluster / fullerol nano composite material is a nano composite material which is formed by inducing self-assembly of Cu6 and hydroxyl fullerene C60-OH in an aqueous solution through hydrogen bond interaction and has a nano structure. The nonlinear absorption coefficient of the film obtained by adopting the copper nanocluster / fullerol nanocomposite material is as high as 35.5 * 10 < 4 > cm / GW when the laser energy is 1 mu J, and the optical limiting threshold value is as low as 0.008 J / cm < 2 >, so that the film is obviously superior to the existing metal cluster-based material. The method is simple and convenient in process and environment-friendly, and the prepared film has important application value in the fields of laser protection and precision optical equipment safety.

The invention belongs to the technical field of nano materials, and relates to fullerol with moderate hydroxylation degree and a preparation method and application thereof. Fullerol with the chemical formula of C60 (OH) n.mH2O is obtained by controlling the mass ratio of fullerene to an alkaline reagent and adopting the processes of grinding, dissolving, concentration, alcohol precipitation and drying, n is 10-15, preferably 12, m is 10-15, preferably 12.5, and the product is a needle-like crystal and forms a stable dispersion liquid in water. Thermogravimetric analysis shows that the fullerol has controllable hydroxyl number and relatively high water solubility, has better ABTS < + > and. OH removal capability compared with low-hydroxylated and high-hydroxylated fullerol, can reduce the ROS level in cells and improve the cell survival rate and migration capability, can be used as an active component of an antioxidant and a cell repair preparation, and has a broad application prospect. The composition is used for skin barrier repair and oxidative stress related disease prevention and treatment.

This invention relates to the field of organic photovoltaic cell technology, specifically to a non-fullerene acceptor material and a mixture containing the same. The molecular structure is optimized by limiting the side-chain alkyl chain configuration and the selection of electron-withdrawing ends of the non-fullerene acceptor material. When the non-fullerene acceptor material of this invention is applied to the photoactive layer of an organic photovoltaic device, it exhibits excellent photoelectric performance.

The present application aims to provide a fullerene-aniline derivative with excited state hole delocalization or localization, which has a structure shown in formula (I), wherein each group is defined as described in the specification, and has excited state hole localization characteristics or excited state hole delocalization characteristics, and can form a fast charge separation or a long-lived charge separation state system.

The application relates to the field of organic solar device materials, in particular to a non-fullerene acceptor material compound. The application provides a novel oligomeric non-fullerene acceptor compound. By taking a high-performance non-fullerene acceptor unit as a monomer, a strategy of constructing an oligomeric acceptor by using a connecting group in the core is adopted, so that the material has the advantages of small molecules and polymers, has good batch repeatability and good film-forming property, and simultaneously has a relatively high photoelectric conversion efficiency.

The application discloses a kind of covalent crystal structure intelligent prediction method based on molecular unit topological assembly, by regarding molecular unit as rigid body and using hybrid gene coding system, topological connection and geometric pose decoupling are realized, compared with traditional atomic coordinate random search, the application can keep the internal configuration of molecule stable during evolution, avoid the collapse of geometric configuration of complex molecule during search process, and improve the calculation efficiency of large-scale, non-spherical molecular system;The method does not depend on specific empirical parameters, and can cover the structure prediction of fullerene polymer, covalent organic framework and complex porous material through general topological assembly logic, and has strong cross-field universality.

This invention belongs to the field of electrocatalytic materials technology, specifically relating to fullerene-modified cobalt-based transition metal oxide nanocomposites, their preparation methods, and applications. The fullerene-modified cobalt-based nanocomposites prepared by combining fullerenes with cobalt-based materials not only significantly improve the catalytic activity and selectivity of the chloride evolution reaction (CER), but also effectively inhibit material corrosion and deactivation under strong oxidizing environments. Their performance is significantly superior to traditional cobalt-based materials and cobalt-based materials modified with carbon black or graphene. This breakthrough provides a novel solution to address the inherent defects of cobalt-based catalysts, demonstrating significant application prospects in highly corrosive electrochemical reactions such as CER. It can be used for efficient electrochlorination treatment of recalcitrant organic pollutants in various water bodies, including groundwater, surface water, and industrial wastewater.

The invention belongs to the technical field of gas sensing, and discloses an organic photovoltaic heterojunction passive multi-parameter gas sensor and a preparation method and application thereof, the organic photovoltaic heterojunction passive multi-parameter gas sensor comprises a bottom electrode, a hole transport layer, a heterojunction sensitive layer and a top electrode which are stacked in sequence; the heterojunction sensitive layer is an organic heterojunction sensitive layer formed by blending a donor and an acceptor; wherein the heterojunction sensitive layer adopts an organic photovoltaic polymer as an electron donor, adopts a non-fullerene small molecule as an electron acceptor, and is prepared by blending and spin-coating the organic photovoltaic polymer and the non-fullerene small molecule; the top electrode is a network-shaped silver nanowire electrode; the bottom electrode, the hole transport layer, the heterojunction sensitive layer and the top electrode are sequentially stacked to construct the gas sensor with an organic photovoltaic device structure, so that a multi-parameter gas sensing response mode is realized, and the sensitivity and selectivity of the sensor are remarkably improved; and accurate identification of types and concentrations of volatile organic compounds is realized.

PROBLEM TO BE SOLVED: The problem to be solved by the present invention is to elucidate the cause of the turbidity observed in the production of a PVP-fullerene complex aqueous solution and to provide such a composition having high clarity. SOLUTION: It was discovered that a high-clarity composition is obtained by decreasing the residual amount of aromatic hydrocarbons to 3000 ppm or less during drying in a method for producing a PVP-fullerene complex aqueous solution.

Narrow bandgap n-type small molecules are attracting attention in the near-infrared organic optoelectronics field, due to their easy tunable energy band with a molecular design flexibility. However, only a few reports demonstrate narrow bandgap non-fullerene acceptors (NFAs) that perform well in organic solar cells (OSCs), and the corresponding benefits of NFA photodiodes have not been well investigated in organic photodetectors (OPDs). Here, the ultra-narrow bandgap NFAs CO1-4F, CO1-4Cl and o-IO1 were designed and synthesized for the achieved efficient near-infrared organic photodiodes such as solar cells and photodetectors. Designing an asymmetrical CO1-4F by introducing two different π-bridges including alkylthienyl and alkoxythienyl units ultimately provides an asymmetric A-D′-D-D″-A molecular configuration. This enables a delicate modulation in energy band structure as well as maintains an intense intramolecular charge transfer characteristic of the excited state.

This invention belongs to the field of electrochemical catalysis and carbon capture and utilization technology. This invention relates to a fullerene-like Cu... 33 Cluster isomers, their preparation methods, and applications; the chemical formula of the cluster isomer is [Cu]. 33 (Ph3P)4(C≡CC6H4NH) 12 ] + (denoted as Cu) 33 -1 and Cu 33 -2), possessing unique Cu 13 @Cu 20 Core-shell structure, in which Cu 13 The core is an icosahedral structure, exhibiting 1S 2 1P 6 The octet closed-shell superatomic structure; the isomers are initiated by the rotation of three surface alkyne ligands relative to the other nine ligands, forming different intramolecular π-π stacking interactions and electronic structures. This invention modulates the electron distribution of catalytic active sites through a surface ligand asymmetry strategy, lowers the energy barrier of C-C coupling reactions, and suppresses hydrogen evolution side reactions, providing a new paradigm for designing highly selective CO₂ reduction catalysts.

This application relates to the field of quantum dot light-emitting diodes (QLEDs), disclosing a highly dense quantum dot film, its fabrication method, and QLED light-emitting devices and display devices. This application introduces rigid steric materials such as fullerenes, which are smaller in volume than quantum dots and have a diameter of 0.2-2 nm, into the quantum dots to fill the gaps between them. Compared to conventional quantum dot films, the spin-coated quantum dot film produced by this method exhibits significantly improved morphology and better film density.

The invention discloses a preparation method and application of a chromium-doped fullerene C20 catalyst. According to the invention, fullerene C20 is used as a carrier, chromium atoms are efficiently introduced into a carbon cage structure of fullerene C20 through chemical doping, and a stable active center with a strong electron coupling effect is successfully constructed. The method specifically comprises the following steps: dispersing fullerene C20 in toluene, carrying out ultrasonic treatment, adding chromium trichloride, carrying out a doping reaction under nitrogen protection, and carrying out centrifugation, washing and drying to obtain the target catalyst. The catalyst shows excellent performance in the reaction of catalyzing carbon dioxide hydrogenation to prepare formic acid, under the mild condition, the highest carbon dioxide conversion rate can reach 90.2%, the highest formic acid yield can reach 92.6%, and the catalytic activity retention rate is still 91.7% or above after the catalyst is recycled five times. The process is simple, the prepared catalyst has the advantages of high activity, high selectivity and high stability, and a new material is provided for efficient resource utilization of carbon dioxide.

The utility model relates to the technical field of experimental devices, in particular to an efficient electric arc reaction device for fullerene production, which comprises a reaction furnace main body, a plurality of pipelines, a first flange plate, a second flange plate, a support plate, a cathode rod, a cathode trigger plate, an anode rod and a moving component, the second flange plate is connected with the first flange plate. According to the utility model, the movable rod body rotates when moving in the horizontal direction under the limitation of the clamping block, so that the connecting rod and the anode rod rotate, the anode rod continuously rotates in the evaporation process, the surface of the anode rod is in uniform contact with an electric arc, graphite can be uniformly evaporated and consumed, and the surface of the anode is kept flat due to uniform consumption; conical or concave pits are prevented from being formed, local excessive evaporation can be avoided due to uniform consumption, and the effective utilization rate of a single graphite rod is increased.

The present invention provides an ADA-type non-fullerene acceptor material having a deep HOMO level while extending the π-conjugated system, as well as a composition, film, photoelectric conversion element, and CMOS image sensor using this compound. [Solution] The compound of the present invention is represented by the following general formula (1). ADA ···(1) Each A is independently a group represented by any of (2a) to (2d) below, at least one of the two A's contains (2a) or (2b) below, and D is an electron-donating group consisting of 2 to 20 cyclic groups. [C1] TIFF2026116245000059.tif37170

The application relates to a fullerene liquid crystal and a preparation method thereof, and belongs to the technical field of liquid crystal materials. The fullerene liquid crystal is a polymer or an oligomer with a terminal group of fullerene. The polymer or the oligomer is an aliphatic polyether, a polyester or the like which is incompatible with the fullerene, and includes a polyether such as polyethylene glycol and polytetrahydrofuran, and a polyester such as polycaprolactone. The fullerene liquid crystal is self-assembled to form a fullerene supramolecular liquid crystal through pi-pi interaction between the fullerenes and microphase separation between the fullerenes and polymer chains. The fullerene liquid crystal is free of liquid crystal units, has a simple preparation method, low cost, a wide liquid crystal phase temperature range, and a fullerene content of more than 60%.