1276 results about "Organic molecules" patented technology

An organic molecule is disclosed comprising:a first chemical moiety with a structure of formula I,andtwo second chemical moieties, each at each occurrence independently from another consisting of a structure of formula II,wherein the first chemical moiety is linked to each of the two second chemical moieties via a single bond.

The invention provides anti-aging polyurethane-zirconium phosphate composite modified asphalt and a preparation method thereof, and belongs to the technical field of building material preparation. The anti-aging polyurethane-zirconium phosphate composite modified asphalt is prepared from the following components in parts by weight: 100 parts of matrix asphalt, 3 to 15 parts of an isocyanate prepolymer, 1 to 8 parts of organic zirconium phosphate, 0.001 to 0.1 part of a catalyst and 2 to 5 parts of a solubilizer, wherein the organic zirconium phosphate is prepared by carrying out ultrasonic intercalation treatment on zirconium phosphate by adopting organic molecules. Compared with the traditional polyurethane modified asphalt, the organic zirconium phosphate in the anti-aging polyurethane-zirconium phosphate composite modified asphalt has a polyurethane cross-linked network structure, can effectively improve the high and low temperature performance of the asphalt, has a layered structure, can absorb ultraviolet rays, and can effectively improve the anti-aging performance of the asphalt. Therefore, organic molecules in the polyurethane asphalt are protected from being oxidized, the anti-aging performance is excellent, and the service life of an asphalt pavement is prolonged.

The invention relates to the technical field of battery materials, in particular to a method for regulating and controlling a biomass-based hard carbon microstructure through vapor deposition, a biomass-based hard carbon negative electrode material and application of the biomass-based hard carbon negative electrode material. The method comprises the steps that biomass-based shells are subjected to pre-oxidation treatment to obtain pre-oxidized shells, and the pre-oxidized shells are subjected to heat treatment in an inert atmosphere containing organic molecules to obtain the biomass-based hard carbon negative electrode material. A hard carbon material precursor is obtained; and finally carrying out carbonization treatment on the hard carbon material precursor. Inert gas is used as carrier gas to be mixed with gaseous organic molecules, the atmosphere of high-temperature sintering of hard carbon is changed, and the organic molecules are deposited on the surface of a hard carbon precursor, so that a relatively ordered surface structure is controllably formed in the carbonization process of a lignin-rich fruit shell biomass base; hard carbon surface defects are modified to obtain the biomass-based hard carbon negative electrode active material, so that a solid electrolyte interface generated by the biomass-based hard carbon negative electrode active material in contact with an electrolyte in a charging and discharging process is thinner and has stable chemical properties, and the first-circle coulombic efficiency is improved on the premise of keeping high capacity.

Shallow Trench Isolation (STI) chemical mechanical planarization (CMP) polishing compositions, methods and systems of use therefore are provided. The CMP polishing composition comprises abrasives of ceria coated inorganic oxide particles, such as ceria-coated silica; and dual chemical additives for providing the tunable oxide film removal rates and tunable SiN film removal rates; low oxide trench dishing, and high oxide: SiN selectivity. Dual chemical additives comprise at least one silicone-containing compound comprising at least one of (1) ethylene oxide and propylene oxide (EO-PO) group, and at least one of substituted ethylene diamine group on the same molecule; and (2) at least one non-ionic organic molecule having at least two, preferably at least four hydroxyl functional groups.

The invention provides a nitrogen-rich organic molecule modified graphene oxide composite material as well as a preparation method and application thereof. The method comprises the following steps: adding graphene oxide into a polar organic solvent, and performing ultrasonic dispersion and uniform mixing to obtain a graphene oxide dispersion liquid; the nitrogen-rich organic molecule modified graphene oxide composite material is prepared by the following steps: adding graphene oxide into a reaction kettle, adding 3, 5-diamino-1, 2, 4-triazole, uniformly mixing, carrying out nucleophilic reaction under a weakly acidic heating condition, repeatedly washing a product with ethanol and pure water, and freeze-drying to obtain the nitrogen-rich organic molecule modified graphene oxide composite material, and the composite material is used as an adsorbent, has a stable structure and can efficiently adsorb heavy metal ions. Through modification of the nitrogen-rich organic matter, the adsorbent obtains richer groups and adsorption sites, and can show different adsorption capacities on inorganic metal cations through multiple adsorption mechanisms. An adsorption result shows that the adsorbent has excellent adsorption selectivity on low-concentration copper ions in an aqueous solution. Through multiple adsorption-desorption experiments, the composite material still shows excellent reutilization performance.

The invention discloses an anti-aging asphalt-based material and a preparation method thereof, and belongs to the technical field of asphalt material preparation, and the anti-aging asphalt-based material comprises the following raw materials in parts by mass: 100 parts of matrix asphalt and 2-10 parts of an organized zirconium phosphate modifier. Zirconium phosphate is subjected to intercalation treatment through organic molecules, the interlayer spacing of the zirconium phosphate is enlarged, agglomeration of zirconium phosphate particles can be effectively avoided, the compatibility of the zirconium phosphate particles and asphalt is improved, and the ultraviolet absorption performance of the zirconium phosphate particles can be greatly improved; the ultraviolet aging resistance of the obtained modified asphalt can be further effectively improved.

The invention relates to a decarboxylation coupling method catalyzed by N-heterocyclic carbene. Small organic molecule N-heterocyclic carbene is used as an organic catalyst, manganese is used as a reducing agent, aromatic acid or derivatives thereof and an electrophilic reagent are subjected to cross coupling, and multi-structure ketone is prepared. Small organic molecule N-heterocyclic carbene is used as an organic catalyst, manganese is combined as a reducing agent, cross coupling of aromatic acid or derivatives thereof and some cheap and easily available electrophilic reagents can be promoted, ketones with various structures can be provided at high yield, and the method is especially suitable for preparation of high-steric-hindrance ketone compounds and has wide application prospects. The method has the advantages of high yield, convenience in separation, high efficiency, mildness, low-cost economy and high industrial application value, and the requirement on transition metal catalysis can be reduced.

The invention relates to the technical field of air purification, and discloses an air purification adsorption device for a photogravure press, the air purification adsorption device comprises a waste gas treatment tank, the bottom end of the waste gas treatment tank is rotatably connected with a main shaft, and the circumferential surface of the main shaft is fixedly connected with an activated carbon filter plate; an inorganic filtering device for filtering inorganic particles is arranged in the waste gas treatment tank, and an organic desorption device for heating, desorbing and recycling organic matters is arranged on the outer side of the waste gas treatment tank. The activated carbon filter plate rotates to increase the contact area with the desorption agent, so that the desorption effect is improved, the desorption agent in the scattering cavity is intermittently scattered, the situation that the desorption agent cannot be uniformly and comprehensively scattered on the activated carbon filter plate due to the fact that the desorption agent is quickly scattered is prevented, and the desorption efficiency is improved after the activated carbon filter plate is in uniform contact with the desorption agent.

The invention provides a polylactic acid fiber with a controllable degradation period. The polylactic acid fiber comprises a core layer and a skin layer wrapping the core layer, the core layer is first polylactic acid; the skin layer is second polylactic acid; the weight-average molecular weight of the first polylactic acid is 20000 to 50000; and the weight-average molecular weight of the second polylactic acid is 100000 to 200000. Compared with the prior art, the polylactic acid fiber provided by the invention has the skin-core structure, the skin layer is high-molecular-weight polylactic acid, and the core layer is low-molecular-weight polylactic acid, so that the main component of the polylactic acid fiber takes polylactic acid as a main component, other organic molecules are not introduced, and the biocompatibility and biosafety of the polylactic acid fiber are ensured; meanwhile, the degradation period can be adjusted through the molecular weight change of the skin layer and the core layer and the mass ratio.

The invention relates to an organic molecule, in particular for the use in optoelectronic devices.According to the invention, the organic molecule has a structure of Formula I:whereinRa, Rd and Re are independently selected from the group consisting of: hydrogen, deuterium, N(Ra)2, ORa, Si(Ra)3, B(ORa)2, B(Ra)2, OSO2Ra, CF3, CN, F, Cl, Br, I, C1-C40-alkyl, C1-C40-alkoxy, C1-C40-thioalkoxy, C2-C40-alkenyl, C2-C40-alkynyl, C6-C60-aryl, and C2-C57-heteroaryl.

The invention relates to an organic molecule, in particular for the application in optoelectronic devices. According to the invention, the organic molecule includes or consists of a structure represented by Formula IwhereinR1 is selected from the group consisting of hydrogen and C6-C12-aryl, which is optionally substituted with one or more C1-C6-alkyl substituents, andRa is at each occurrence independently selected from the group consisting of: hydrogen, deuterium, N(R5)2, OR5, Si(R5)3, B(OR5)2, B(R5)2, OSO2R5, CF3, CN, F, Br, I, C1-C40-alkyl, C1-C40-alkoxy, C1-C40-thioalkoxy, C2-C40-alkenyl, C2-C40-alkynyl, C6-C60-aryl, and C2-C57-heteroaryl.

A method for enhancing hydrogen uptake by cells of an acetogenic bacterium in a culture is provided. The method comprises incubating the cells in a liquid medium supplemented with an external gas mixture, wherein the external gas mixture comprises H2 and CO2; overexpressing an uptake hydrogenase and an associated electron transfer protein in the cells; increasing uptake of the H2 by the cells; and enhancing uptake of the CO2 by the cells. The culture may be a coculture with additional cells of a non-acetogenic bacterium, which produces natively H2 from catabolism of an organic molecule.

The invention discloses an inorganic-organic hybrid compound crystal and a preparation method thereof, and belongs to the technical field of organic-inorganic hybrid materials. The preparation method comprises the following steps: mixing raw materials containing hydroiodic acid, organic cage molecules RCC3 and a lead source with a solvent, and carrying out solvothermal reaction to obtain the inorganic-organic hybrid compound crystal. The chemical formula of the prepared inorganic-organic hybrid compound crystal is ({H18 [C72H108N12] 2 [(Pb10I36)]}. 2I), wherein [C72H108N12] is RCC3 acidified by hydroiodic acid, the crystal has a supramolecular three-dimensional structure assembled by a [Pb5I8] 3-anion cluster unit and a protonated RCC3 molecular cage through electrostatic and hydrogen-bond interaction, and belongs to a monoclinic system, and the space group is P21. The crystal structure is a metal halide-based organic-inorganic hybrid crystal constructed by taking an organic molecular cage as nitrogen-containing cations and lead iodide for the first time.

The invention relates to an organic molecule for the application in optoelectronic devices. According to the invention, the organic molecule hasa first chemical moiety with a structure of Formula I:anda second chemical moiety with a structure of Formula II:wherein W is the binding site of a single bond linking the first chemical moiety to the second chemical moiety,L is selected from a direct bond and a linking group with a structure of Formula BN-I:wherein the dashed lines denote the binding sites as indicated in Formula I, and # represents the binding site of the first chemical moiety to the second chemical moiety.

The invention provides luminescent lanthanide nanoparticles having simultaneously an improved brightness and an increased lifetime of the excited-state. These nanoparticles comprise terbium ions and ions of a second lanthanide, preferentially europium, and are coated with molecules of chromophore ligand bonded to the surface of the nanoparticle. The ligand is an organic molecule comprising at least one chromophore radical of formula (I) or of formula (II): wherein R is selected from H, CN group or COOH group. The phosphorescence excited-state lifetime is improved by energy transfer from surface terbium ions to core ions of the second lanthanide. The nanoparticle may further comprise a carrier molecule of analytical interest covalently attached to at least one ligand molecule.

The invention relates to a preparation method of a silicon-carbon negative electrode material based on organic matter pyrolysis modified porous carbon, and the preparation method comprises the following steps: S1, carrying out activation pore-forming on a carbon raw material to obtain a porous carbon material; s2, placing the porous carbon material in an inert atmosphere, and performing high-temperature pretreatment; s3, performing pyrolysis modification on the pretreated porous carbon material in the presence of small organic molecule steam; s4, carrying out silicon vapor deposition on the modified porous carbon through silane gas to obtain a silicon-carbon precursor; and S5, coating the surface of the silicon-carbon precursor with carbon-containing gas at a high temperature to obtain the product silicon-carbon negative electrode material. Porous carbon is modified, ultramicropores are filled and defects in a pore wall carbon layer are repaired through pyrolysis of the small-molecular organic matter, a compact carbon layer structure is formed on the surface of the pore wall, the conductivity and mechanical strength of the material are improved, and irreversible capacity loss is reduced.

The invention provides an organic molecule cytoplasm delivery carrier as well as a preparation method and application thereof, the compound for cytoplasm delivery has the characteristic of fat-soluble aggregation, and can form electrostatic adsorption with small molecule protein goods such as RNase A (13.7 KDa), Trypsin (24KDa) and Saporin (32.8 KDa), medium molecule protein goods such as HRP (40KDa) and macromolecular protein goods such as beta-Gal (430KDa), so that the compound for cytoplasm delivery can be used for preparing a lipid-soluble protein carrier. And furthermore, transmembrane transportation is formed through the strong fat solubility property, so that the protection and intracellular delivery of carried protein molecules are realized. According to the delivery mechanism, cargo molecules can quickly penetrate through cell membranes, and carried protein molecules can enter cytoplasm to exert functions without release operation. Development of the organic molecule cytoplasm delivery carrier is expected to assist potential protein therapies with low bioavailability and off-target toxicity to complete clinical transformation, which is crucial to tumor therapy, gene therapy and the like requiring precise local administration.

The invention provides a method for activating Michael addition reaction by using a carbon-hydrogen bond of heterocyclic carboxylic acid, and belongs to the technical field of chemical synthesis. The method comprises the following steps: carrying out Michael addition reaction on heterocyclic carboxylic acid and nitroindole under the action of a catalytic system; the catalytic system comprises a catalyst and a cocatalyst, the catalyst is at least one of [Ru (p-cymene) Cl2] 2, RuCl3. 3H2O, RuH2 (CO) (PPh3) 3, RuH2 (PPh3) 3 and Ru3 (CO) 12, and the cocatalyst is at least one of AgSbF6, AgNTf2, Cu (OAc) 2, Zn (OAc) 2, KPF6 and NaPF6. The synthesis method of the aryl heterocyclic derivative is developed and enriched, a valuable new strategy is provided for constructing organic molecules with various structures, and the aryl heterocyclic derivative has important academic value and practical significance.

The invention provides an affinity carrier net for a cryoelectron microscope and a preparation method and application of a frozen sample of the affinity carrier net. The affinity carrier net comprises a carbonaceous bearing membrane covering the carrier net, a small organic molecule pyr-NHS connected with the carbonaceous bearing membrane, and a specific antibody protein connected with the small organic molecule pyr-NHS; the carbonaceous bearing film is a graphene film, a graphene oxide film or a carbon film. The method comprises the following steps: performing fusion expression on a PA tag having strong affinity interaction with an NZ-1 antibody on a target protein, and performing mixed incubation on an affinity carrier net fixed with an NZ-1 antibody protein and a cell lysis solution of the target protein which performs fusion expression on the PA tag; according to the method, efficient affinity purification and direct cryoelectron microscope sample preparation of the target protein with the PA tag in the cell lysis solution are realized, data collection and high-resolution structural analysis are carried out, the sample purification time and steps are reduced, the sample integrity is improved, the sample demand is reduced, and meanwhile, the problem of orientation tendency of sample distribution is solved.

The invention discloses an ABX3 type metal halide perovskite thin film, a preparation method and a photovoltaic device. The film is prepared by an anti-solvent method; wherein organic molecules containing active halogen with the concentration of 0.1-50 mg / ml are added into the anti-solvent solution. According to the method, release of active halogen in organic molecules is utilized, the gradual evolution process of multiple metal halide complexes is regulated and controlled, generation of related defects such as halogen vacancies is inhibited, migration of halogen ions in a perovskite thin film is prevented, and uniform perovskite film forming is achieved; the perovskite photovoltaic device with high photoelectric conversion efficiency is realized by using the thin film provided by the invention, and the method is very suitable for industrial preparation of the large-area and high-performance perovskite photovoltaic device.

The present invention relates to the field of battery material technology, and in particular to a method for regulating biomass-based hard carbon microstructure by vapor deposition, biomass-based hard carbon negative electrode material and application, the method comprising the steps of: pre-oxidizing the biomass-based fruit shell, heat-treating the pre-oxidized fruit shell under an inert atmosphere containing organic molecules to obtain a hard carbon material precursor; and finally carbonizing the hard carbon material precursor. By using an inert gas as a carrier gas to mix gaseous organic molecules, the atmosphere of high-temperature sintering hard carbon is changed, and the organic molecules are deposited on the surface of the hard carbon precursor, so that the lignin-rich fruit shell biomass base can controllably form a relatively ordered surface structure during the carbonization process, and the surface defects of the hard carbon are modified to obtain a biomass-based hard carbon negative electrode active material, so that the solid electrolyte interface generated by contact with the electrolyte during the charge and discharge process is thinner and chemically stable, and the first-cycle coulomb efficiency is improved while maintaining high capacity.

The invention relates to the technical field of all-solid-state batteries, in particular to air-stable argyrodite type sulfide electrolyte, a preparation method thereof and an all-solid-state battery. The air-stable argyrodite type sulfide electrolyte provided by the invention comprises a sulfide solid electrolyte and a protective layer formed by self-assembly of organic molecules on the surface of the sulfide solid electrolyte, wherein the sulfide solid electrolyte is argyrodite type sulfide solid electrolyte, the general formula of the sulfide solid electrolyte is Li < 7-a > PS < 6-a > X , X is halogen, and a is more than 0 and less than 2; the organic molecule is at least one of 1-methoxyhexane, 2-heptanone, 3-chloropropanol, 4-chlorobenzyl mercaptan, n-amylamine, 5-chloromethyl-1, 3-benzodioxole, chlorophenylmethane and ethylbenzene, and the organic molecule is at least one of 1-methoxyhexane, 2-heptanone, 3-chloropropanol, 4-chlorobenzyl mercaptan, n-amylamine, 5-chloromethyl-1, 3-benzodioxole, chlorophenylmethane and ethylbenzene. According to the air-stable argyrodite type sulfide electrolyte provided by the invention, the stability of the sulfide electrolyte to water can be enhanced, and the ionic conductivity of the sulfide electrolyte can be ensured.

A method and apparatus with organic molecule spectrum prediction are disclosed. The method includes accessing a molecular structure representation of an organic molecule; generating parameters of an approximated Franck-Condon progression by inputting the molecular structure representation to a neural network model that infers the parameters from the molecular structure representation; and generating a spectrum of the organic molecule based on the generated parameters.

The invention is applicable to the technical field of eutectic materials, and provides an organic macrocyclic aromatic hydrocarbon-based eutectic material and a preparation method and application thereof, the eutectic material is a metastable material EtLP6-F4TCNQ alpha, and is prepared by taking oblique tower aromatic hydrocarbon as a subject and electron-deficient 2, 3, 5, 6-tetrafluoro-7, 7, 8, 8-tetracyanodimethyl p-benzoquinone as an object, and carrying out co-crystallization on the oblique tower aromatic hydrocarbon and the 2, 3, 5, 6-tetrafluoro-7, 7, 8, 8-tetracyanodimethyl p-benzoquinone to obtain the organic macrocyclic aromatic hydrocarbon-based eutectic material. And carrying out mechanical grinding on 2, 3, 4, 5, 6, 8-tetracyanodimethyl p-benzoquinone. According to the method, two or more organic molecules are directly mixed and induced to form the eutectic structure through simple mechanical grinding operation, the method is efficient, low in cost and easy for large-scale production, the eutectic material with the metastable structure is prepared, and the metastable structure shows higher sensitivity and faster response speed in gasochromic detection.

The invention relates to a copper-doped zinc sulfide nano composite material as well as a preparation method and application thereof, and belongs to the technical field of catalysts. In the copper-doped zinc sulfide nano composite material disclosed by the invention, the doping proportion of Cu is 0.1 wt%-10 wt%. The copper-doped zinc sulfide nano composite material prepared by the preparation method disclosed by the invention can be used for effectively degrading plastics and realizing efficient hydrogen evolution. The visible light absorption range can be effectively expanded by doping a small amount of Cu, and separation and transfer of carriers are promoted. Meanwhile, nuclear magnetic resonance detection analysis shows that the plastic is successfully degraded into small organic molecules such as formate, acetate and glycollate under photocatalysis. The invention provides a new thought for the design of a non-toxic catalyst in a sustainable and sunlight-driven plastic light conversion process, and responds to the aims of environmental protection, low cost and high efficiency.

This disclosure provides a method of tagging binders in electrodes to allow for easy visualization. In particular, environmentally friendly organic molecules are used as organic fluorescent tags. The organic fluorescent tag will react with alkene moieties within the binder through cycloadditions to introduce a fluorescent tag, which is easily visualized to allow visualisation of binder distribution within the electrode.

The invention discloses a polymer capable of being assembled with protein and hydrophobic small molecule drugs and a preparation method thereof, any one of an ammonium functional group-containing monomer, an amido functional group-containing monomer and an alkylene oxide functional group-containing monomer is selected as a main body material, and a double-block polymer with a cavity functional group is obtained through secondary ATRP (Atom Transfer Radical Polymerization) reaction or RAFT (Reversible Addition-Fragmentation Chain Transfer) reaction; aiming at an alkylene oxide functional group-containing monomer main body material, a double-block polymer with a cavity functional group is grafted with an amino functional group-containing organic molecule through organic modification, and amine group cationization is carried out, so that a polymer capable of being assembled with protein and hydrophobic small molecule drugs is obtained. The polymer capable of being assembled with the proteins and the hydrophobic small-molecule drugs is a degradable multi-block polymer, and can be combined with the hydrophobic small-molecule targeted drugs and macromolecular immune and targeted drugs through subject-object self-assembly; and the existing drug-loaded microspheres can effectively load micromolecular targeted drugs, macromolecular targeted drugs and macromolecular immune drugs.

The invention provides a preparation method of an organic electron transport layer and a preparation method of a perovskite solar cell. The perovskite solar cell structurally comprises an anode, a hole transport layer, a perovskite layer, the organic electron transport layer, a cathode modification layer and a cathode from bottom to top. According to the preparation method of the organic electron transport layer, an n-type small organic molecule CY4 solution is dissolved in a PCBM solution according to a certain proportion, chlorobenzene (CB) is adopted as a solution solvent, the perovskite layer is spin-coated with the solution solvent after stirring, a high-quality organic electron transport layer film is formed, and it is measured that the photoelectric conversion efficiency of a final device is 19.80%. A series of characterization results show that the CY4-doped organic electron transport layer improves the electron extraction capability between layers and inhibits carrier recombination; and meanwhile, the roughness of the PCBM film is also reduced, and the formed organic electron transport layer film more uniformly covers the perovskite layer, so that the efficiency of the cell and the environmental stability are greatly improved finally.

The present technology concerns a coating material comprising at least one organic compound comprising a branched or linear unsaturated aliphatic group having from 6 to 50 carbon atoms and having at least one carbon-carbon double or triple bond and at least one atom other than a carbon or hydrogen atom, a functional group comprising at least one atom other than a carbon or hydrogen atom, or a group comprising at least one optionally substituted ring or heterocycle. The present technology also concerns coated particles comprising said coating material and processes for manufacturing them, electrode materials, electrodes, electrolytes, surface-coating materials for current collectors and current collectors comprising the coated particles, and the use thereof in electrochemical cells, for example, in electrochemical storage cells, in particular in batteries referred to as all-solid-state batteries.