58 results about "Carbazole derivative" patented technology

The invention provides a self-assembled monomolecular layer hole transport material based on a polycarbazole derivative and a preparation method and application thereof, and the self-assembled monomolecular layer hole transport material has a structure as shown in a formula I. The self-assembled monomolecular layer hole transport material is simple in structure, high in hole transport property, strong in interface passivation ability, high in thermal stability, and suitable for large-scale application; a polycarbazole derivative is taken as a mother nucleus, an alkyl / aryl chain is taken as a linking group, phosphoric acid is taken as an anchoring group, and rigid conjugated large-plane polycarbazole with a specific structure is taken as the mother nucleus, so that molecular accumulation can be improved, and the hole transport performance of the material can be improved. By taking a phosphate group as a tail end, single-molecule self-assembly can be realized, a perovskite interface can be passivated, the energy loss at the interface is reduced, and the battery performance is improved.

The invention belongs to the technical field of organic photoelectric materials, and particularly relates to a carbazole derivative and an organic electroluminescent device thereof. The carbazole derivative provided by the invention has proper HOMO energy level and LUMO energy level, can be well matched with an adjacent organic functional layer, also has proper charge transfer performance, also has good thermal stability and chemical stability and good film-forming property, and can be used as a main body material in a luminescent layer to improve the luminous efficiency of the luminescent layer. And the driving voltage, luminous efficiency, service life and other performances of the device can be improved.

The invention discloses the field of organic electronic materials, and particularly discloses a chain terminating molecule for straight-chain polyphosphocarbazole and a polymerization terminating method. The chain termination molecule is a carbazole derivative containing boronic acid pinacol ester, the core structure is'carbazole matrix-linking group-diethyl phosphate group ', and the linking group can be a butyl chain or a benzene ring; after a chain termination molecule is synthesized through a three-step reaction, a Suzuki coupling reaction is utilized to completely replace a residual Br site of straight-chain polyphosphocarbazole, and polymerization termination is realized. The bromine residual quantity of the product is less than or equal to 0.01 wt%, the molecular weight is stabilized at 6-7 monomeric units, and the molecular weight change rate is less than or equal to 5% after the product is dried and stored at 25 DEG C for 6 months; when the material is used as a hole transport layer, the laboratory small-area film thickness deviation is less than or equal to 10%, the corresponding perovskite assembly efficiency is greater than or equal to 23%, the 1000-hour attenuation rate is less than or equal to 15%, the defects of self-agglutination, poor stability and device performance fluctuation of the existing material are solved, the process is simple, and industrialization is easy.

The application discloses a kind of tetrahydrocarbazole derivatives and its photocatalytic synthesis method, belong to organic synthesis technical field, 2-arylene phenyl isonitrile compound, cyclopropyl aniline compound and photocatalyst are added to solvent, after photocatalytic reaction, again separation and purification, obtain tetrahydrocarbazole derivative.This method is more simple compared with the method for using no tetrahydrocarbazole synthesis N-substituted tetrahydrocarbazole derivative, and no additional various additives in reaction, the atomic utilization rate of cyclopropyl aniline compound and 2-arylene phenyl isonitrile compound reaches 100%, reflects atomic economy, raw material is cheap and easy to obtain, reaction cost is low, and environment friendly;It is easy to operate, and target product can be efficiently obtained.The photocatalytic synthesis method of the tetrahydrocarbazole derivative is good in universality of raw material, and raw material is widely sourced, under optimized reaction condition, target product is easy to separate, and has potential application value in material and pharmaceutical field.

This invention discloses an amino compound containing a carbazole derivative and its synthesis method, as well as a perovskite solar cell and its preparation method, belonging to the field of solar cell technology. The general chemical formula of the amino compound of this invention is as follows: Wherein: R1 is a straight-chain alkyl group, with 3 to 4 carbon atoms; R2 is a straight-chain alkyl group, with 3 to 4 carbon atoms. Based on the introduction of long-chain alkyl groups and carbazole groups, both water and oxygen barrier properties and electron transport capabilities can be improved simultaneously, thereby enhancing the stability and photoelectric conversion efficiency of perovskite solar cells and solving the problem of poor stability in existing perovskite systems.

This invention belongs to the field of organic electroluminescence technology, specifically relating to a luminescent crystal material, its preparation method and application, and laser-prefabricated luminescent devices. The preparation method of the luminescent crystal material includes the following steps: a first reaction is carried out with an amino-containing spirodifluorene monomer, a halogenated nitrogen heterocyclic compound, and a fluorinated organic acid to obtain a first intermediate; the first intermediate undergoes a second reaction with a gallium halide to obtain a second intermediate; a third reaction is carried out with a carbazole derivative, a naphthenic acid derivative, a luminescent bandgap modulating organic compound, and the second intermediate to obtain a third intermediate; the third intermediate is dissolved in an organic solvent for a fourth reaction, followed by multi-directional condensation separation; the material is collected in a pre-designed receiving dish in a 90-110°C condensation zone, and then subjected to a fourth post-processing to obtain the luminescent crystal material. The prepared luminescent crystal material exhibits high quantum efficiency, excellent thermal stability, and achieves balanced red, green, and blue performance.

Disclosed in the present application are a carbazole derivative monomolecular layer, a preparation method thereof, a transistor memory and a fabrication method therefor, relating to the technical fields of organic storage and information. The transistor memory comprises a source / drain electrode, a semiconductor layer, a carbazole derivative monomolecular layer, a gate insulating layer, a substrate and a gate electrode which are sequentially arranged. The present application prepares a carbazole derivative monomolecular layer and applies same to organic field effect transistor memories to act as a charge trapping layer of devices. The present application involves a simple operation process and low cost, shortens preparation periods while reducing the difficulty in fabrication of transistor memories, and improves the storage performance and stability of transistor memories.

To provide a light-emitting element having high emission efficiency and to provide a light-emitting device and an electronic device that have low power consumption and are driven at low voltage, a carbazole derivative represented by General Formula (1) is provided. In the formula, α 1 , α 2 , α 3 , and α 4 each represent an arylene group having less than or equal to 13 carbon atoms; Ar 1 and Ar 2 each represent an aryl group having less than or equal to 13 carbon atoms; R 1 represents any of a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted phenyl group, and a substituted or unsubstituted biphenyl group; and R 2 represents any of an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted phenyl group, and a substituted or unsubstituted biphenyl group. In addition, l, m, and n each independently are 0 or 1.

The invention discloses a carbazole derivative-based inlaid composite carbon wave-absorbing material and a preparation method thereof, and relates to the technical field of electromagnetic wave absorbing materials. The preparation method comprises the following steps: by taking a boric acid-based carbazole derivative as a precursor, carrying out free radical polymerization reaction on the precursor and a cross-linking agent in the presence of PMMA microspheres; the reaction comprises local modification on the surface of the microsphere and copolymerization in a solvent at the same time, and a composite precursor composed of the surface modified microsphere and a copolymer is obtained; and then carrying out pre-oxidation and carbonization treatment on the composite precursor to obtain the embedded composite carbon wave-absorbing material. The unique structure creates a rich heterogeneous interface, cooperates with dipole polarization, interface polarization, conductive loss and multiple scattering, and jointly constructs an efficient multiple electromagnetic wave loss mechanism, so that the material realizes efficient electromagnetic wave absorption performance on the premise of not depending on magnetic components.

The invention discloses a boron-containing polycyclic compound and an organic photoelectric element containing the same, and belongs to the field of organic photoelectricity. The boron-containing polycyclic compound has a structure as shown in a formula (1) or a formula (2). According to the compound, a boron-containing skeleton and a carbazole derivative are fused through intramolecular conjugation expansion, and a novel rigid unit is constructed. The conjugated fusion not only integrates the electron transport capability of a boron-containing skeleton and the hole transport characteristic and high triplet state energy level of carbazole, but also effectively increases the orbital delocalization range and significantly reduces the singlet state-triplet state energy level difference (delta EST) by reconstructing the distribution of a front line molecular orbital, thereby enhancing the reverse intersystem crossing rate (kRISC) of the compound, and enhancing the efficiency of the compound. And the utilization efficiency of triplet excitons is obviously promoted. When the material is used as a host material to be applied to an organic light-emitting diode, efficient and directional transfer of energy to an object can be ensured, the efficiency of a device is improved, the stability of the device is improved, and the material has a good commercialization prospect.

The invention provides a self-assembled monomolecular layer hole transport material of an indenocarbazole derivative and a preparation method and application thereof, the hole transport material has a structure shown in a formula I. The self-assembled monomolecular layer hole transport material is simple in structure, high in hole transport property, strong in interface passivation ability and high in thermal stability, and can be applied to the field of hole transport. Indenocarbazole with a rigid conjugate large plane is used as a parent nucleus, so that molecular accumulation can be improved, and the hole transport performance of the material can be improved. By taking a phosphate group as a tail end, single-molecule self-assembly can be realized, a perovskite interface can be passivated, the energy loss at the interface is reduced, and the battery performance is improved. When the synthesized material is used as a hole transport layer of an inverted perovskite solar cell, gt can be obtained without doping; and meanwhile, the service life of the perovskite solar cell is greatly prolonged, the stability of the perovskite solar cell is greatly improved, and industrialization of the perovskite solar cell is expected to be achieved.

The invention relates to the technical field of separation and purification equipment, and discloses separation and purification equipment researched and developed on the basis of dicarbazole and derivatives thereof, the separation and purification equipment comprises a top box, a bottom frame, a separation and purification tank and an auxiliary separation mechanism, and the auxiliary separation mechanism is composed of a shaft frame, a driving mechanism, two coupling assemblies and a homogenizing assembly; according to the technical scheme, the driving mechanism drives the two coupling assemblies to synchronously and relatively move, the coupling assemblies which synchronously and relatively move drive the homogenizing assembly to continuously reciprocate in the first filtering membrane and the second filtering membrane, and the aim of uniformly dispersing the dicarbazole derivative is achieved through the continuous reciprocating motion; and the homogenizing assembly reciprocates in the first filtering membrane and the second filtering membrane to generate damping with the dicarbazole derivative, the damping increases the pressure when the dicarbazole derivative passes through the filtering membranes, and the increase of the pressure can promote the dicarbazole derivative to pass through the filtering membranes in a pressurized state, so that the separation efficiency is effectively improved.

The application belongs to the technical field of functional polymer materials, and provides a heat-crosslinkable high-transparency electrochromic polymer, an electrochromic polymer film and a preparation method thereof. The 3,6-dimethoxy-9-(3-vinylphenyl)-9H-carbazole is obtained by mixing dimethoxy-9H-carbazole, m-bromostyrene, a dialkyl biaryl phosphine ligand, a first catalyst, an organic salt and a first organic solvent and then performing a heating reaction, and then the 3,6-dimethoxy-9-(3-vinylphenyl)-9H-carbazole is mixed with glycidyl methacrylate, a second catalyst and a second organic solvent to perform a polymerization reaction, so as to obtain the heat-crosslinkable high-transparency electrochromic polymer. The method is simple and low in cost, the polymer prepared by the method has carbazole derivatives as color-changing units and epoxy groups as heat-crosslinking units, and the polymer can be in-situ heat-crosslinked by blending with a crosslinking agent and heating in one step, so as to form a neutral-state high-transparency three-dimensional network film, and the polymer is particularly suitable for high-end transparent devices.

The application provides an organic electroluminescence device, and relates to the technical field of organic electroluminescence. The organic electroluminescence device comprises an anode, an organic layer and a cathode, the organic layer comprises a hole transport region, the hole transport region comprises a first hole transport layer and a second hole transport layer, the first hole transport layer contains a carbazole derivative shown in structural formula 1, and the second hole transport layer contains an arylamine compound shown in structural formula 2. The organic electroluminescence device can not only effectively transport holes, but also make the transport of holes and electrons more balanced, and can also limit the carriers in the light-emitting layer, so that the holes and electrons can effectively combine in the light-emitting layer to form excitons to emit visible light. Therefore, the organic electroluminescence device has excellent photoelectric properties, specifically, has a low driving voltage, a high luminous efficiency and a long service life.

A synthesis apparatus for carbazole Schiff bases, consisting of a reaction vessel with heating and stirring mechanism, reflux condenser, catalyst dosing unit, solvent recovery system, crystallization chamber, product collection container and drying unit, wherein all units are functionally interconnected to enable the automated synthesis of carbazole Schiff base derivatives by condensation reactions between carbazole derivatives and substituted aldehydes.

The invention belongs to the technical field of organic photoelectric materials, and particularly relates to a carbazole derivative and an organic electroluminescent device thereof. The HOMO energy level and the LUMO energy level of the carbazole derivative provided by the invention can be well matched with adjacent organic functional layers, and the carbazole derivative also has proper charge transfer performance, also has good stability and good film-forming property, and can improve the driving voltage, the luminous efficiency, the service life and the like of a device as a main body material in a luminous layer.

To provide an organic electroluminescent device with high efficiency and long lifespan. [Solution] An organic electroluminescent device comprising at least one light-emitting layer between an anode and a cathode, wherein the light-emitting layer comprises a host and a phosphorescent dopant, the host comprising a multicomponent host compound, at least the first host compound of the multicomponent host compound being a specific bicarbazole derivative containing an aryl group, and the second host compound being a specific carbazole derivative containing a nitrogen-containing heteroaryl group.

The invention provides an electrochromic polymer, an electrochromic film and a preparation method of the electrochromic polymer. The structural formula of the electrochromic polymer is shown in the formula I. In the formula I, R is a C4-C50 alkane chain; n is the degree of polymerization, and n is 20-300; m is 0-2, the number-average molecular weight Mn of the electrochromic polymer is 5000-20000 Da, and the polydispersity coefficient D of the electrochromic polymer is 3.0-10.0. According to the invention, an aromatic hydrocarbon carbazole derivative and trifluoroacetone are used as monomers, and the electrochromic polymer is prepared by one step through Friedel-Crafts hydroxyl alkylation condensation polymerization catalyzed by Lewis acid.

The invention provides a phenylcarbazole derivative as well as a preparation method and application thereof. The phenylcarbazole derivative has a structure as shown in a formula I or a formula II. According to the invention, phenyl carbazole with a rigid conjugate large plane is used as a parent nucleus, so that ordered accumulation of molecules is optimized, and the hole mobility is remarkably improved; the phosphate group at the tail end is an anchoring group, can effectively passivate perovskite interface defects, reduce energy loss at the interface, realize monomolecular self-assembly and improve cell performance, and as a self-assembly monomolecular layer hole transport material, the perovskite solar cell has relatively high photoelectric conversion efficiency, and the photoelectric conversion efficiency of the perovskite solar cell is improved. And the service life and the stability are relatively long.

The present application relates to a kind of carbazole derivatives and its preparation method and application.The structure formula of carbazole derivative provided by the present application is as shown in (I), which is prepared by the reaction of 2-furan boronic acid and chloroisoquinoline after halogenation, then the halogenated product is reacted with N-phenyl-3-carbazole boronic acid.The carbazole derivative can be used as organic small molecule probe, for testing deuterated reagent, can be very simple and convenient for the rapid qualitative and quantitative analysis of deuterated acetone in acetone, and has higher detection sensitivity and accuracy.

The invention provides a ketone-containing poly-carbazole derivative electrochromic polymer, the structural formula of which is as shown in formula I. In the formula I, R is one of a C6-C40 alkane chain and an alkoxy hydrocarbon chain; m is 0-1, n is the degree of polymerization, and n is 10-200; the number-average molecular weight Mn of the ketone-containing polycarbazole derivative electrochromic polymer is 1000 to 5000 Da, and the polydispersity coefficient D of the ketone-containing polycarbazole derivative electrochromic polymer is 1.0 to 4.0. The ketone-containing poly-carbazole derivative electrochromic polymer film prepared by the invention has the characteristics of high transparency in a neutral state, color in an oxidation state, excellent solution processability and the like, and has wide application prospects in the fields of energy-saving displays, static information display and dynamic information encryption, military camouflage and the like.

The application provides application of a carbazole derivative Y16 in preparation of a drug for treating cardiovascular diseases, and belongs to the technical field of medicines.The vasodilatation activity of Y16 is determined by using a rat isolated thoracic aorta tension measurement, and the change of the vasodilatation effect of Y16 under the intervention of various channel inhibitors is observed, and the influence of Y16 on blood pressure is determined by using a rat femoral artery cannulation experiment.The results show that the carbazole derivative Y16 has a good dose-dependent vasodilatation effect, and Y16 also shows a blood pressure lowering effect, so that the carbazole derivative Y16 can effectively treat cardiovascular diseases is disclosed for the first time, the application provides a theoretical basis for obtaining a candidate compound of a drug for treating cardiovascular diseases, and also provides a new selection for a drug for treating cardiovascular diseases in clinic.

The invention designs and synthesizes a self-assembled monomolecular layer hole transport material based on a carbazole derivative, and an application of the self-assembled monomolecular layer hole transport material in a trans-broadband gap perovskite solar cell. Halogen is introduced into a parent nucleus molecule, the HOMO energy level of the molecule can be reduced, and matching with the energy level of perovskite is facilitated. A carbazole derivative with a conjugated large plane is used as a parent nucleus, so that molecules are endowed with good hole transport performance. Through the anchoring effect of the upper and lower double anchoring groups, the energy loss at the interface is reduced, the complete coverage and bonding of the hole transport material on the surface of the substrate can be improved, and the cell efficiency is improved; alkyl chains with different chain lengths are used as linking groups, so that the material is endowed with enough rotational degree of freedom. The self-assembled monomolecular layer hole transport material based on the carbazole derivative is synthesized at low cost by adopting simplified synthesis steps, and the prepared material can realize dual functions of hole transport and perovskite interface passivation.

This invention provides a self-assembled monolayer hole transport material based on a polycarbazole derivative, its preparation method, and its applications. The material has the structure shown in Formula I. This self-assembled monolayer hole transport material exhibits a simple structure, high hole transport capacity, strong interface passivation ability, and high thermal stability, and is suitable for large-scale applications. It uses a polycarbazole derivative as the parent core, alkyl / aryl chains as linking groups, and phosphate as the anchoring group. Using a rigid, conjugated, large-planar polycarbazole with a specific structure as the parent core improves molecular packing and enhances the hole transport performance of the material. The phosphate group at the end enables single-molecule self-assembly and passivation of the perovskite interface, reducing energy loss at the interface and improving battery performance.

The invention provides a boron-nitrogen compound and application thereof, the boron-nitrogen compound has a structure as shown in a formula I and a formula II, and the boron-nitrogen compound is a compound formed based on structural optimization of a carbazole derivative-boron-nitrogen compound. The boron-nitrogen compound provided by the invention has a narrow-spectrum luminescence characteristic, and is used as a narrow-spectrum luminescent material for preparing a luminescent layer of an organic electroluminescent device, the prepared organic electroluminescent device realizes narrow-spectrum TADF emission, the half-peak width is less than 45nm, and the highest electroluminescent external quantum efficiency of the device reaches up to 30% or above.

The application discloses a hole transport material based on a carbazole derivative containing a benzene sulfonic acid unit and a preparation method and application thereof, relates to the technical field of solar cells, and a structural formula of the hole transport material is shown as formula I: in the formula, R1 is selected from H, C 1‑6 alkyl, C 1‑6 alkoxy or C1-6 alkylthio; R2 is selected from H, C 1‑6 alkyl, C 1‑6 alkoxy or C1-6 alkylthio. The technical scheme of the application takes 4-bromobenzenesulfonyl chloride as an initial raw material, carries out a substitution reaction with neopentyl alcohol to obtain a corresponding benzene sulfonate, carries out a coupling reaction with carbazole to obtain a carbazole sulfonate, finally carries out a reaction with sodium iodide to obtain an intermediate compound B3, and then carries out a reaction with hydrochloric acid in an ethanol solvent to obtain a final compound. The reaction process is simple, is not dangerous, has a short reaction time, has few side reactions, has a high reaction yield, and has the advantages of high purity of a reaction product and the like.

The application relates to the technical field of high polymer composite materials, and discloses a preparation method of high-impact chlorinated polyvinyl chloride cable conduit material, which comprises the following steps: after chlorinated polyvinyl chloride resin, a reactive toughening agent, amino silicon oil, 3,6-dibromo-9-phenyl carbazole and an additive are high-speed mixed, the mixture is melt blended through a double-screw extruder, nucleophilic substitution reaction occurs between epoxy groups in the reactive toughening agent and chlorine atoms on a chlorinated polyvinyl chloride molecular chain to form a chemical bond, meanwhile, nucleophilic substitution reaction occurs between the amino silicon oil and the carbazole derivative to generate polysiloxane-carbazole block polymer in situ, and the polysiloxane-carbazole block polymer is physically entangled with the chlorinated polyvinyl chloride molecular chain to build a three-dimensional network structure; after the melt blended material is water-cooled, granulated and dried, the material is formed into a cable conduit through a single-screw extruder, the high-impact performance and the high-heat resistance are considered, and the material can be widely applied to the field of power cable protection.

The invention relates to the field of solar cells, and discloses a hole transport layer, a preparation method thereof and a solar cell. The solar cell of the present invention uses a carboxylic acid anchored carbazolyl derivative as a hole transport material. According to the material, a hydrogen bond is formed through carboxyl and hydroxyl on the surface of ITO, and mild anchoring is achieved; and the anchoring capability between the self-assembled molecules and ITO is further enhanced by the dicarboxylic acid structure, and the hole extraction efficiency is improved. Carbazole derivative molecules have adjustable molecular dipoles, so that matching of a work function of a conductive substrate is facilitated, and carrier transport is improved; the molecular rigid conjugated structure can realize D-A separation, and is beneficial to enhancing the intramolecular charge transfer capability. In a wide-band-gap perovskite cell, the photoelectric conversion efficiency exceeds 20% and reaches 30.56% in a perovskite / crystalline silicon laminated cell, and the open-circuit voltage reaches 1.897 V. The carboxylic acid anchored carbazolyl derivative can form a compact film layer on the surface of textured silicon, and the shape-preserving covering capacity is improved.

This invention provides free base and salt forms, compositions thereof, and methods for treating various symptoms involving AHR by administering small molecule therapeutic agents that act as inhibitors of aryl hydrocarbon receptors (AHR).

The application relates to the technical field of organic electroluminescent materials, in particular to a carbazole derivative containing boron atoms and application thereof. The structural formula of the carbazole derivative containing boron atoms is shown as formula (I); the carbazole derivative shown as formula (I) provided by the application has a high triplet energy level, improves the thermal stability and the ability of transporting carriers of the material; the carbazole derivative is applied in an organic electroluminescent element, and the driving voltage can be remarkably reduced, the luminous efficiency and the service life are improved.