94 results about "Terphenyl" patented technology

The invention relates to a crown ether covalent organic framework material as well as a preparation method and application thereof. The preparation method comprises the following steps: dissolving a crown ether monomer and an amino monomer in an o-dichlorobenzene solvent, adding a catalyst acetic acid aqueous solution, and uniformly dispersing to form a reaction solution; the method comprises the following steps: freezing a reaction solution through a liquid nitrogen bath, vacuumizing, filling nitrogen, carrying out a heating reaction, and carrying out post-treatment operations such as washing and drying on a reaction product, so as to obtain the crown ether covalent organic framework material BADT-DB18C6-COF. The crown ether covalent organic framework material is formed by condensation of a crown ether aldehyde monomer and an amino monomer, the crown ether monomer is 4, 4 ', 4' ', 4 '''-(6, 7, 9, 10, 17, 18, 20, 21-octahydrodibenzo [B, K] [1, 4, 7, 10, 13, 16] hexaoxacyclo octadecene-2, 3, 13, 14-tetrayl) tetrabenzaldehyde, and the crown ether monomer is 4, 4 ', 4' ', 4'''-(6, 7, 9, 10, 17, 18, 20, 21-octahydrodibenzo [B, K] [1, 4, 7, 10, 13, 16] hexaoxacyclo octadecene-2, 3, 13, 14-tetrayl) tetrabenzaldehyde. The amino monomer is 4 ', 5'-bis (4-aminophenyl)-[1, 1 ': 2', 1 ''-terphenyl]-4, 4''-diamine. The crown ether covalent organic framework material BADT-DB18C6-COF prepared by the invention is mainly used as an adsorbent, is used for adsorbing and recovering uranium, thorium and americium ions from a solution, shows good adsorption capacity on radionuclides U-238, Th-232 and Am-243, and is particularly suitable for the field of spent fuel post-treatment in the nuclear industry.

This application relates to a terphenylamine skeleton compound, its preparation method, and its application, belonging to the field of chemical synthesis technology. The preparation method of the terphenylamine skeleton compound of this application includes the following steps: dissolving 2,4,6-triphenylaniline with thiazole-4-carboxaldehyde or thiophene-3-carboxaldehyde in a solvent, conducting a reductive amination reaction under reducing agent conditions, quenching, extraction, washing, concentration to remove solvent, and purification to obtain the terphenylamine skeleton compound. This application provides a simple and mild synthetic method for the natural active products 5'-phenyl-N-(thiazol-4-ylmethyl)-[1,1':3',1''-terphenyl]-2'-amine and 5'-phenyl-N-(thiophene-3-ylmethyl)-[1,1':3',1''-terphenyl]-2'-amine, which can only be extracted from the secondary metabolites of the marine fungus Aspergillus sp. Furthermore, this method utilizes widely available raw materials, which is beneficial for large-scale industrial production of these natural active products.

The invention relates to a preparation method of a metal halide perovskite-coated three-dimensional cobalt porphyrin-based COFs (Covalent Organic Frameworks) composite material, which comprises the following steps: S1, reacting an aldehyde precursor with an amine precursor in a first organic solvent, and after the reaction is finished, performing post-treatment to obtain a three-dimensional cobalt porphyrin-based COFs material; wherein the aldehyde precursor is 5 ', 5 '', 5'' '', 5'' ''''-(5, 10, 15, 20-tetrayl) tetra (([1, 1': 3 ', 1 ''-terphenyl]-4, 4''-diformyl))-21H, 23H-cobalt porphyrin (II), and the amine precursor is 4, 4'-diamino terphenyl and 2 ', 5'-bis ((methylthio) methyl)-[1, 1 ': 4', 1 ''-biphenyl]-4, 4''-diamine; s2, in a second organic solvent, enabling the three-dimensional cobalt porphyrin-based COFs material to react with lead bromide, and after the reaction is finished, performing post-treatment to obtain a PbBr2 (at) 3D Co-COFs material; and S3, in a third organic solvent, carrying out a reaction on the PbBr2 (at) 3D Co-COFs material and methylamine bromide, and after the reaction is finished, carrying out post-treatment to obtain the metal halide perovskite (at) three-dimensional cobalt porphyrin-based COFs composite material. The preparation method has the advantage that the photocatalytic activity and stability are improved.

The present application relates to the field of basic organic chemistry synthesis, and particularly to a high-yield preparation method of o-terphenyl based on hydrogen participation; comprising the steps of preparing a catalyst mixed solution, preparing a reaction mixed solution, filling micro-pressure hydrogen, heating and hydrogenation coupling reaction, rough extraction through reduced pressure distillation, and recrystallization and drying; a pre-assembly reaction precursor is formed by a bidentate phosphine bidentate phosphine ligand and a supported palladium catalyst, and a coupling reaction occurs with diphenyl under the cooperation of micro-pressure hydrogen and an acidic cocatalyst; the present application does not need to use traditional halogenated aromatic hydrocarbons and organic metal reagents, solves the problems of isomer mixing and difficult separation and halogen residue affecting the performance of downstream optoelectronic materials, realizes the preparation of o-terphenyl, and simplifies the separation and purification process.

This invention discloses a colorless polyimide film with high fluorine content, high heat resistance, and low expansion, as well as its preparation method and applications. Specifically, a series of high-fluorine terphenyl dianhydride (structure I) and high-fluorine terphenyl diamine (structure II) are copolymerized (or homopolymerized), cast, and heat-treated to prepare CPI optical film materials with excellent properties. This type of CPI film exhibits excellent optical transparency, high glass transition temperature, high thermal decomposition temperature, low coefficient of thermal expansion, high mechanical properties, and low dielectric loss, making it highly suitable for applications in flexible displays, wearable devices, flexible batteries, and 5G high-frequency communications.

Achieving the selective and reversible adsorption of CO2 from humid, low partial pressures streams such as the flue gas resulting from the combustion of natural gas in combined cycle power plants ( 4% CO2) is challenging due to the need for high thermal, oxidative, and hydrolytic stability as well as moderate regeneration conditions to reduce the energy of adsorption / desorption cycling. Appending cyclic primary, secondary diamines, exemplified by 2-(aminomethyl)piperidine (2-ampd), to the metal-organic frameworks Mg2(dobpdc) (dobpdc4- = 4,4-dioxidobiphenyl-3,3-dicarboxylate), Mg2(dotpdc) (dotpdc4- = 4,4"-dioxido-[1,1':4',1"-terphenyl]-3,3"dicarboxylate) or Mg2(pc-dobpdc) (pc-dobpdc4-- = dioxidobiphenyl-4,4'-dicarboxylate) produces adsorbents of the classes EMM-44, EMM-45, and EMM-46, respectively, that display step-shaped adsorption of CO2 at the partial pressures required for 90% capture from natural gas flue gas at temperatures up to or exceeding 60 °C. Using a cyclic diamine in place of a diamine functionalized with bulky alkyl groups enables fast adsorption / desorption kinetics with sharp CO2 adsorption and desorption steps.

The application belongs to the field of optical films, and particularly relates to a pyridine-containing terphenyl diamine, a colorless and transparent polyimide and a preparation method and application thereof. The structural formula of the pyridine-containing terphenyl diamine is shown as formula (1). The application adjusts the substituents on the diamine monomer and changes the methyl of the nitrogen atom para-position on the pyridine, designs six different pyridine-containing terphenyl diamines introduced into the polyimide, adjusts the charge transfer effect, intermolecular distance and folding degree of the molecular chain of the polyimide, and obtains the colorless and transparent polyimide film with heat resistance, good optical performance and tensile strength. The application has potential application value in the field of flexible devices.

The application relates to a ligand-regulated CuCe-MOF catalyst and a preparation method and application thereof in an electrocatalytic CO2 methane production reaction, and the preparation method comprises the following steps: mixing a Ce solution, an organic ligand solution and a structure directing agent to obtain a mixed solution; the organic ligand is terephthalic acid, 1,4-naphthalene dicarboxylic acid, diphenyl dicarboxylic acid or triphenyl dicarboxylic acid; the mixed solution is centrifuged and dried to obtain a cerium-based metal organic framework powder; the cerium-based metal organic framework powder is dispersed in a third solvent, ultrasonated, and soluble Cu salt is added, and after stirring, the third solvent is volatilized by heating to obtain the CuCe-MOF catalyst. The CuCe-MOF is prepared by using the organic ligand with a single benzene ring, a double benzene ring and a triple benzene ring, the dual synergistic optimization of ligand electronic effect and protonation efficiency is realized, the methane selectivity is greatly improved in the CO2 electro-reduction, and a brand-new synergistic regulation strategy is provided for the structural design and performance optimization of a CO2 RR electro-catalyst.

The present application relates to the technical field of porphyrin-based covalent organic framework material preparation, in particular to a mild preparation method of acetaldehyde-based porphyrin covalent organic framework and application thereof, which comprises the following steps: step one: dispersing ligand 2', 5'-bis((ethyl sulfide) methyl)-[1,1':4',1''-triphenyl]-4,4''-diamine in acetonitrile solution to obtain solution A, and dissolving acetaldehyde-based porphyrin in dichloromethane to obtain solution B; step two: mixing solution A and solution B; step three: adding ferric chloride and acetic acid as catalysts to react under mild conditions to obtain acetaldehyde-based porphyrin covalent organic framework material, which has excellent gaseous iodine adsorption performance. The synthesis method provided by the present application has mild conditions, simplifies the high-temperature time-consuming shortcomings of traditional porphyrin-based covalent organic framework material synthesis, and realizes the synthesis of special ligand covalent organic framework.

The invention provides a rare earth metal-organic framework material as well as a preparation method and application thereof, and relates to the technical field of fluorescence detection, the general formula of the material is {[Ln4 (THBA) 2 (H2O) 5]. 4H2O} n, Ln is Eu < 3 + > or Tb < 3 + > ions; tHBA is a deprotonated [1, 1 ', 4', 1 ''-terphenyl]-2 ', 3, 3', 5, 5 ', 5''-hexacarboxylic acid ligand; the material belongs to a triclinic system, the space group is P1, the material has a three-dimensional porous frame structure, and each Ln < 3 + > ion is in an eight-coordinate configuration; n > = 1, and n is an integer. The material not only shows high-sensitivity, high-selectivity and quick-response detectability to the harmful substance malachite green, but also successfully realizes conversion from a powder material to a portable device, and has wide application prospects in the fields of environmental monitoring, food safety, information encryption and the like.

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.

An object of one embodiment of the present invention is to provide a novel organic compound. The organic compound is a triarylamine derivative. The triarylamine derivative has an aryl group including a skeleton in which a naphthyl group is bonded to a naphthylene group. The other two aryl groups are each independently a phenyl group, a biphenyl group, or a terphenyl group. These groups may each have a substituent. As the substituent, an alkyl group having 1 to 6 carbon atoms or a cycloalkyl group having 3 to 6 carbon atoms can be selected.

The invention discloses a preparation method of a morphology-controllable Zr-MOF nano material, which comprises the following steps: dissolving zircon salt and formic acid in an organic solvent, heating to form a salt solution, dissolving an organic ligand 4 '', 4'' '', 4'' '', 4'' ''''-(ethylene-1, 1, 2, 2-tetrayl) tetra (([1, 1 ': 4', 1 ''-terphenyl]-4-carboxylic acid)) in the organic solvent to form an organic ligand solution; and adding the organic ligand solution into the salt solution while stirring, reacting to obtain a mixed solution, transferring the mixed solution into a reaction kettle, heating, reacting, cleaning precipitates by using an organic solvent, and drying in a dark place to obtain the Zr-MOF nano material. The invention discloses application of a Zr-MOF nano-material in an aqueous zinc-iodine battery. The Zr-MOF nano-material and iodine are mixed and ground and then heated to react to prepare an I2-coated Zr-MOF composite material, and then the I2-coated Zr-MOF composite material is prepared into electrode slurry. Solid or hollow Zr-MOF nano materials with different morphologies can be obtained by adjusting the heating reaction temperature, and the obtained hollow Zr-MOF nano material is used as an iodine positive electrode host material, so that the rate capability of an aqueous zinc-iodine battery can be improved.

The application provides an aromatic proton exchange membrane with a regional double sulfonic acid side chain structure and a preparation method thereof, and belongs to the technical field of proton exchange membranes. Triphenyl, 2,2,2-trifluoroacetophenone and 2,3,4,5,6-pentafluorobenzaldehyde are selected as monomers, an aromatic polymer is obtained through a super acid polymerization method, then 2-naphthol-6,8-disulfonic acid dipotassium hydrate is added, and a double solvent method is used to successfully realize the positioning controllable sulfonation of the side chain phenyl of the polymer. The main chain of the polymer is an ether-free aromatic skeleton, which guarantees good chemical stability from the source; the flexible regional double sulfonic acid side chain is beneficial to the induction of the formation of a continuous proton transmission channel, so that excellent proton conductivity is realized; meanwhile, due to the phenyl stacking effect of the naphthyl structure of the side chain, the proton membrane has excellent dimensional stability; the application gives a solution to the contradiction that the general aromatic proton exchange membrane is difficult to be compatible with the proton conductivity and the dimensional stability.

The utility model relates to the technical field of viscosity testing equipment, in particular to a hydrogenated terphenyl heat-conducting oil cleaning agent viscosity testing device which comprises an operating platform and a testing mechanism, the testing mechanism comprises a detection unit, a working assembly and a clamping unit, the detection unit is fixedly connected with the working table, the working assembly comprises a base, a driving part, a driving gear, a driven gear, a rotating rod, a rotating disc and an auxiliary part, the base is fixedly connected with the working table, the driving part is fixedly connected with the base, and the driving gear is fixedly connected with the driving part; the driven gear is meshed with the driving gear, the rotating rod is fixedly connected with the driven gear, the rotating disc is fixedly connected with the rotating rod, the auxiliary part is fixedly connected with the rotating disc, and the clamping unit is slidably connected with the rotating disc, so that continuous testing operation on the viscosity of the cleaning agent can be realized, and the operation efficiency of testing the viscosity of the cleaning agent is effectively improved.

This invention discloses an oral frameshift peptide neoantigen vaccine, its preparation method, and its application, relating to the field of biomedical technology. The preparation method includes: 1) synthesizing a sea urchin-like metal-organic framework (MOF) via a hydrothermal method using zinc ions and 3,3''-dihydroxy-2',5'-dimethyl-[1,1':4',1''-terphenyl]-4,4''-dicarboxylic acid; 2) loading the sea urchin-like MOF with a frameshift peptide and a Toll-like receptor 9 agonist via electrostatic interactions and / or van der Waals forces to prepare the oral frameshift peptide neoantigen vaccine. This vaccine not only promotes antigen endocytosis and transcytosis via intestinal microfold cells by activating cyclin 42, but also alleviates immune tolerance mediated by the goblet cell-regulatory T cell immunosuppressive axis and activates specific CD8+. + T cells help prevent the development of Lynch syndrome-related colorectal cancer.

This application provides a vinylcarbazole-based anion exchange membrane, its preparation method, and its application, belonging to the field of anion separation membrane technology. The vinylcarbazole-based anion exchange membrane is prepared by copolymerization of vinylcarbazole, piperidinone, and terphenyl monomers, possessing a poly(vinylcarbazole-arylpiperidine) backbone structure. By controlling the content of vinylcarbazole monomer, this application can effectively regulate the interchain spacing of the polymer within the membrane and construct densely interconnected ion channels. Utilizing precise interchain spacing sieving, the Donnan repulsion effect, and the synergistic effect of charge-assisted hopping conduction at the nitrogen center of carbazole, this vinylcarbazole-based anion exchange membrane simultaneously achieves high proton flux and high metal ion rejection rate during diffusion dialysis. The membrane exhibits excellent performance in HCl / FeCl2 and H2SO4 / FeSO4 mixed acid / metal ion systems, and possesses good anti-swelling and durability, making it effective for the recovery of industrial waste acids, such as those used in metal processing.

This invention provides a photosensitive diamine monomer, a photosensitive polyimide precursor containing the monomer, a method for preparing thin film materials using the photosensitive polyimide precursor, and the application of this material in patterned hydrophilic surfaces and humidity sensor substrates. The photosensitive diamine monomer has a triphenyldiamine backbone, and its side chain contains o-nitrobenzyl ether photosensitive groups. When polyamic acid or polyimide materials prepared from this diamine monomer are irradiated with ultraviolet light, the o-nitrobenzyl ether groups in the side chain undergo a photolysis reaction to generate o-nitrosobenzaldehyde and release phenolic hydroxyl groups. The phenolic hydroxyl groups are covalently fixed on the polymer backbone, which significantly improves the hydrophilicity of the irradiated area. This material can be used to prepare patterned hydrophilic surfaces and has potential application prospects in fields such as the integrated design of humidity sensor substrates and humidity-sensitive materials.

The application relates to the technical field of acrylonitrile-butadiene-styrene, and discloses a preparation method of a high-temperature-resistant ABS material, wherein acrylonitrile-butadiene-styrene resin, carboxyl polyarylether sulfone, AN-PS-GMA copolymer and the like are mixed, melt extruded, water-cooled and cut into particles to obtain the high-temperature-resistant ABS material. The AN-PS-GMA copolymer plays the role of a reactive compatilizer, improves the compatibility between the carboxyl polyarylether sulfone and the ABS resin, and makes the ABS material show higher tensile strength and impact strength. The carboxyl polyarylether sulfone introduces the heat-resistant terphenyl structure into a molecular main chain, is favorable for improving the high-temperature-resistant performance of the ABS material, and after high-temperature heat treatment, the material still has higher tensile strength and impact strength. And the material shows lower surface resistivity and good antistatic performance.

The application provides a method for producing pyromellitic anhydride by a pyromellitic acid dehydration process and belongs to the technical field of organic compound synthesis. The method comprises the following steps: (1) dissolving pyromellitic acid in an organic solvent and heating and dehydrating; and (2) cooling and crystallizing and separating to obtain pyromellitic dianhydride. The organic solvent comprises diphenyl ether and hydrogenated terphenyl. The mixture of diphenyl ether and hydrogenated terphenyl is used in the application, the low-temperature operation window is expanded, and better PMDA yield and PMDA purity are obtained compared with the case of using diphenyl ether or hydrogenated terphenyl as the solvent, and the problems of easy formation of a viscous system, narrow temperature operation window and inconvenient operation during low-temperature crystallization in the prior art are solved.

A method, reaction system, multi-stage composite reactor, and resulting hydrogenated terphenyl are disclosed. The method includes feeding, reaction, and discharging. The reaction includes contacting the feed with a catalyst. The reaction comprises n stages in series, with catalysts in each stage loaded in a gradient manner, wherein n ≥ 3. The feed is divided into n groups and enters each of the n stages of the reaction. The feed includes raw materials and hydrogen, wherein the raw materials contain benzene. The system and method for producing hydrogenated terphenyl of this invention can produce hydrogenated terphenyl at different scales, can adapt to catalysts at different reaction temperatures, and ensures the same selectivity of hydrogenated terphenyl in each reactor.

The application discloses a method and system for preparing hydrogenated terphenyl and the obtained hydrogenated terphenyl, and the method comprises the following steps: carrying out N-stage reactions by taking hydrogen and C6 components from a C6 removal tower as raw materials, wherein N is greater than or equal to 2, and the reaction product enters the C6 removal tower after the N-stage reactions are completed; wherein, fresh benzene is taken as the feed in the C6 removal tower, the C6 components are taken out from a side line, overhead materials are taken out, and a product containing hydrogenated terphenyl is taken out from a tower bottom. The application can realize the preparation of the hydrogenated terphenyl by taking cheap benzene and hydrogen as raw materials under the conditions that the temperature is 130-280 DEG C (preferably 150-220 DEG C) and the pressure is 0.5-2.5 MPaG (preferably 1.0-2.0 MPaG), thereby avoiding the high-temperature cracking operation of benzene.

The compound represented by the general formula is useful for organic electroluminescent elements. Ar represents an arylene group substituted with an acceptor group, or a heteroarylene group. D1 and D2 each represent a donor group, and Ter represents a terphenyldiyl group. Ar is bonded to D2 at an atom in the β-position or the γ-position when the atom to which D1 is bonded is in the α-position.

The invention belongs to the technical field of anion exchange membranes, and discloses a calix [4] arene-based microporous polyaryl piperidine anion exchange membrane as well as a preparation method and application thereof. Regulating and controlling the topological structure of the main chain of the polymer by regulating the feeding proportion of the rigid calix [4] arene monomer and the p-terphenyl monomer in the main chain; and carrying out quaternization reaction on the obtained polymer to obtain a functionalized microporous polymer, and finally, casting a solution to form the membrane. According to the invention, a three-dimensional annular calix [4] arene structure is introduced into a polymer main chain, a flexible side chain is guided to be self-assembled along a non-coplanar direction by utilizing an easily-modified site at the edge of the upper part of the polymer main chain, and mutually-communicated ion micropore nano-channels are constructed in the membrane, so that the transmission efficiency of hydroxyl ions is remarkably improved. Meanwhile, the rigid calix [4] arene skeleton forms a three-dimensional branched network in the polymer, so that the mechanical strength and the dimensional stability of the membrane are effectively enhanced, and swelling of the membrane is inhibited.

The invention provides an anion exchange polymer, a preparation method thereof and an anion exchange membrane. In the structural general formula of the anion exchange polymer, R1, R2 and R3 are respectively and independently selected from any one of C1-C20 straight-chain alkylene groups; and R4, R5, R6 and R7 are respectively and independently selected from any one of H and C1-C20 straight-chain alkyl groups. According to the anion exchange polymer disclosed by the invention, aryl (such as p-terphenyl) with an alkali-resistant characteristic is taken as a part of a main chain, and on the basis, on one hand, a cationic group with strong alkali resistance is introduced into the main chain of the anion exchange polymer, so that the cation density of the anion exchange polymer is increased; and the stability in a strong alkaline environment is also obviously improved. On the other hand, by introducing a side chain containing a cationic group, the ionic conductivity of the anion exchange membrane is improved, and the alkali-resistant stability of the anion exchange membrane is also enhanced.

The invention discloses a method for detecting total phosphorus concentration in an anaerobic fermentation system by using a ratiometric fluorescence sensor, the method is characterized in that the ratiometric fluorescence sensor is used for detecting total phosphorus in the anaerobic fermentation system, the adopted ratiometric fluorescence sensor is a lanthanide series metal organic framework suspension, and the lanthanide series metal organic framework is formed by europium ions and [1, 1 ': 4', 4 ', 4', 4 ', 4', 4 ', 4', 4 ', 4', 4 ', 4', 4 ', 4', 4 ', 4', 4 ', 4 The compound is composed of 1, 1 ', 1'] terphenyl-3, 3 ', 5, 5'-tetracarboxylic acid. According to the method disclosed by the invention, the ratio fluorescence sensor has the advantages of high energy transfer efficiency, good fluorescence performance and the like, can realize rapid and accurate detection when being used for detecting the total phosphorus concentration in the anaerobic fermentation system, and has the advantages of short detection time, high detection sensitivity, large detection linear range, high detection precision, strong anti-interference capability and the like; the total phosphorus concentration of different stages in the anaerobic fermentation system can be timely and accurately obtained, so that effective data can be provided for accurate analysis and effective control of the anaerobic fermentation system.

The application discloses a preparation method of a dispersant for ceramics and belongs to the technical field of ceramic dispersants. The method uses 4-carboxyl-4'-bromoterphenyl, 4-formylphenylboronic acid, dopamine and amino-terminated polyethylene glycol monomethyl ether as raw materials, and the target dispersant is prepared through three-step reactions of Suzuki coupling, reductive amination and amidation. The prepared dispersant has an accurate structure of "dopamine double-site anchoring-terphenyl rigid skeleton-pure polyether hydrophilic end", is firmly anchored on the ceramic surface through synergistic adsorption of coordination bonds and double hydrogen bonds, and realizes spontaneous vertical orientation adsorption of molecules by relying on the solvation pulling force of the polyether chain and the leverage effect of the rigid skeleton. The dispersant can significantly reduce the viscosity of ceramic slurry, improve the storage stability and green strength, and has low high-temperature residual ash content, and is suitable for various ceramic systems. The synthesis process is simple and easy for industrial production.

The invention discloses a light / acid / solvent triple response type MOF (Metal Organic Framework) material as well as a preparation method and application thereof, and relates to the technical field of metal complexes. The MOF material is obtained through design synthesis: [M (tpt) (tpdc-4F) (NOH)] n; wherein M is any one of IIB group elements such as Cd and Zn; tpt is 2, 4, 6-tri (4-pyridyl)-1, 3, 5-triazine, and tpt is 2, 4, 6-tri (4-pyridyl)-1, 3, 5-triazine; tpdc-4F is 3, 3 ', 5, 5'-tetrafluoro-[1, 1 ': 4', 1 '-terphenyl]-4, 4'-dicarboxylic acid, NOH is C1-C4 alcohol molecules, a three-dimensional network structure is formed through coordination of metal nodes, tpt and tpdc-4F ligands, and the response sensitivity is met when NOH is replaced by solvent molecules under the illumination condition and the acid environment.

The invention discloses a vertical-structure polarization sensitive diode device based on a styryl organic single crystal, and a preparation method and application of the vertical-structure polarization sensitive diode device. The vertical structure polarization sensitive diode device based on the styryl organic single crystal comprises a top electrode, a hole injection layer, a hole transport layer, the styryl organic single crystal, an electron transport layer, an electron injection layer, a bottom electrode and a glass substrate which are sequentially arranged from top to bottom, the top electrode is a silver electrode; the hole injection layer comprises molybdenum trioxide; the hole transport layer comprises N, N '-diphenyl-N, N'-(1-naphthyl)-1, 1 '-biphenyl-4, 4'-diamine; the styryl organic single crystal is a 1, 4-bis-(2-methyl-styryl) benzene single crystal; the electron transport layer comprises 3, 3 '-[5'-[3-(3-pyridyl) phenyl] [1, 1 ': 3', 1 ''-terphenyl]-3, 3''-diyl] bipyridine; the electron injection layer comprises lithium fluoride; the bottom electrode is an aluminum electrode. According to the invention, the vertical-structure polarization sensitive diode device based on the styryl organic single crystal, which simultaneously has light response and luminescence properties, is obtained through simple regulation and control.

The invention relates to the technical field of organic electroluminescence, in particular to a phosphine-containing TADF compound and a preparation method and application thereof, and the general formula structure of the phosphine-containing TADF compound is shown in the specification. Ar is phenyl, deuterated phenyl, biphenyl, partially deuterated biphenyl, terphenyl, partially deuterated terphenyl, naphthyl, 9-phenyl anthryl, pyrenyl, phenanthryl, phenyl, benzanthryl, dibenzofuranyl, dibenzothienyl, 9, 9-dimethyl fluorenyl, 9, 9-dimethylfluorenyl, 9, 9-dimethylfluorenyl, 9, 9-dimethylfluorenyl, 9, 9-dimethylfluorenyl, 9, 9-dimethylfluorenyl, 9, 9-dimethylfluorenyl, 9, 9-dimethylfluorenyl, 9, 9 the structural formula is selected from any one of 9-phenyl fluorenyl, 9-diphenyl fluorenyl, 9-phenyl dibenzo carbazolyl and partially deuterated 9-phenyl dibenzo carbazolyl, or partially deuterated 9-phenyl dibenzo carbazolyl. The phosphine-containing TADF compound is high in molecular rigidity, has the advantages of high glass transition temperature and good thermal stability, is high in fluorescence quantum efficiency, and remarkably improves the luminous efficiency of a device. The organic electroluminescent element using the compound as a host luminescent material has higher luminous efficiency and longer service life.