27 results about "Triphenylene" patented technology

The invention discloses a method for preparing a two-dimensional metal organic framework film through deposition on a gas-solid phase interface. The general formula structures of the three metal-organic frameworks obtained by the method are as shown in a formula I in the specification. According to the method, an organic micromolecule precursor film is prepared on a substrate through thermal evaporation of an organic precursor hexahydroxy triphenylene, and then the target metal-organic framework film is obtained through a gas-phase transportation method in a double-temperature-zone tubular furnace. According to the thought provided by the method, the preparation of the metal-organic framework on various insulating substrates is successfully realized, and a new possibility is provided for realizing the industrial preparation of the metal-organic framework device. The organic precursor is not limited to one type and is also suitable for other organic precursors, in addition, the preparation process is simple, raw materials can be selected from commercial products, and convenience is provided for further research of other scientific researchers in preparation in the field of metal-organic frameworks.

The invention provides a synthetic method of a novel flame retardant with a phosphaphenanthrene-chloropropyl synergistic structure. The preparation method comprises the following steps: synthesizing bis (1-chloro-2-propyl) phosphoryl chloride from phosphorus oxychloride and epoxypropane in a molar ratio of 1: 2 in a low-temperature condition through a micro-channel reactor, reacting with DOPO-HQ (9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-yl-1, 4-benzenediol), adding a specific solvent and a catalyst, reacting to generate a crude product, filtering, washing, carrying out reduced pressure distillation, and recrystallizing to obtain the 2-(1-chloro-2-propyl) phosphoryl chloride, namely the 2-(1-chloro-2-propyl) phosphoryl chloride-DOPO-HQ (9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-yl-1, 4-benzenediol). The novel flame retardant with the phosphaphenanthrene-chloropropyl synergistic structure is obtained. A phosphaphenanthrene-chloropropyl synergistic structure is designed, so that the molecular weight and the phosphorus content are improved, and the gas-phase flame-retardant and condensed carbon-forming synergistic flame-retardant effect is improved; the thermal stability and the molecular weight are improved through a molecular bridge chain (hydroquinone), and migration is inhibited. The flame retardant has excellent flame retardant property.

The present application belongs to the technical field of polymer and luminescent material, and more particularly relates to a room-temperature phosphorescent block polymer containing triphenylene-modified triarylamine groups and a preparation method and application thereof. According to the molar proportion, the room-temperature phosphorescent block polymer comprises: (a) 0.1-10% of a structural unit from an organic phosphorescent molecular monomer; (b) 40-48% of a structural unit from a macromonomer; and (c) 50-55% of a structural unit from a double-azide monomer. The room-temperature phosphorescent block polymer provided by the present application is polymerized by using a room-temperature phosphorescent molecule with a diacetylenyl group and a triphenylene structure, a macromonomer and a double-azide monomer as structural monomer units. Compared with the existing polymer generated by a physical blending method, the room-temperature phosphorescent block polymer synthesized by the present application has more excellent phosphorescent emission intensity and lifetime.

The invention discloses triptycene amino polyether polyol with a branched three-dimensional structure as well as a preparation method and application of the triptycene amino polyether polyol. The triptycene amino polyether polyol has a structural expression as shown in the specification; the triptycene amino polyether polyol provided by the invention is applied to preparation of rigid polyurethane foam, a foam structure with uniform pore size distribution and complete foam wall can be generated, and the mechanical property and long-term stability of the foam are improved;

The application relates to the technical field of electrochemical materials, and discloses a nitrogen heterocyclic covalent organic framework material with a chemical formula of (C 42 H 18 N 12 ) n , wherein n is a positive integer greater than or equal to 4; a preparation method thereof comprises the following steps: S1: under an inert atmosphere, six nitrogen heterocyclic triphenylene-2,3,8,9,14,15-hexahalogen-substituted compounds, 2,3,6,7,10,11-hexaaminotriphenylhexa-hydrochloride, a deprotonation reagent, bis (1,5-cyclooctadiene) rhodium (I) tetrafluoroborate and 1,3-diisopropylimidazole chloride are added into an organic solvent in a molar ratio of 1:(1-1.5):(9-18):(0.02-0.12):(0.04-0.25), are uniformly mixed, are reacted at 50-150 DEG C for 1-7 days, are naturally cooled to room temperature, are filtered to collect precipitates, and a crude product is obtained; S2: the crude product in S1 is washed and dried to obtain the nitrogen heterocyclic covalent organic framework material; and the material is applied to lithium ion battery negative electrode materials and positive electrode materials. The scheme solves the problems of poor rate performance and limited application range of existing covalent organic framework materials.

Compound selected from the group consisting of: where XO, S or Se; where R1, R2 and R a are independently selected from hydrogen, deuterium, alkyl, alkoxy, amino, alkenyl, alkynyl, arylkyl, aryl and heteroaryl; where each of R1 and R2 can represent mono-, di-, tri- or tetrasubstitution; where at least two substituents of R1 or R2 are fused to form a ring; where R a represents mono- or di-substitutions that cannot fuse to form a benzo ring; where L represents a spacer or a direct bond with the benzofuran, benzothiophene, or benzoselenophene residue with additional fused rings; wherein R'1, R'2 and R'3 are independently selected from the group consisting of hydrogen, deuterium, alkyl, alkoxy, amino, alkenyl, alkynyl, arylcyl, aryl and heteroaryl; and where each of R'1, R'2 and R'3 can represent mono-, di-, tri- or tetrasubstitution.

The invention belongs to the technical field of organic light-emitting materials and semiconductors, and particularly relates to an asymmetric triptycene compound and an electroluminescent device. According to the invention, triptycene is taken as a matrix, and the asymmetric triptycene compound is obtained by substituting a site 1 and a site 8 of the triptycene; the structural formula of the asymmetric triptycene compound is shown in the specification. The asymmetric triptycene compound is used as a guest luminescent material, and the prepared electroluminescent device has narrower half-peak width, higher luminous efficiency and longer service life. .

The application belongs to the technical field of OLED and specifically comprises an organic compound for a double light-emitting layer blue light device and a double light-emitting layer blue light organic electroluminescent device comprising the same. The structural general formula of the organic compound is shown in the following. By introducing a triphenyleno[1,12-bcd]furan group on a benzanthracene nucleus, the benzanthracene nucleus has a rigid planar structure, weak electron-withdrawing ability, and excellent thermal stability and chemical stability. In addition, the triphenylene skeleton also has an energy level structure suitable for a multi-channel high-energy level reverse intersystem crossing process. After connecting the triphenyleno[1,12-bcd]furan structure and the benzanthracene nucleus directly, the HOMO and LUMO energy levels of the material can be regulated, the carrier injection barrier is reduced, and the prepared double light-emitting layer device has a significant improvement in voltage, efficiency and lifetime.I.

The invention relates to organic electroluminescent materials and devices. Disclosed is an organic compound that can improve the performance of a phosphorescent organic light-emitting device containing indolocarbazole as an electron donor linked to an electron acceptor such as aza-triphenylene or dibenzoquinoxaline.

The application discloses a method for preparing conjugated macromolecular triphenylene from a biomass platform compound, comprising the following steps: under the action of a photocatalyst and light, converting a stilbene substance from a trans structure to a cis structure in a solvent, and then performing a cyclization reaction and a D-A cycloaddition reaction with a diene to obtain a conjugated macromolecular triphenylene; the method is a photocatalytic synthesis method using a biomass-derived stilbene, pentadiene or substituted pentadiene, furan or substituted furan as raw materials, and compared with an original synthesis route, the method has high product selectivity, a simple separation process, and the raw materials can be derived from biomass resources, and the dependence on petroleum resources can be reduced.

The invention provides a triphenylene compound, an intermediate and an organic electroluminescent device. The triphenylene compound has a structure as shown in a formula I. The structure of the triphenylene compound is designed, so that the triphenylene compound is suitable for being used as a main body material of a light-emitting layer of the organic light-emitting device, and the organic light-emitting device has relatively low driving voltage, relatively high current efficiency and relatively long service life.

The invention provides a triphenylene compound, an intermediate and an organic electroluminescent device. The triphenylene compound has a structure as shown in a formula I. The structure of the triphenylene compound is designed, so that the triphenylene compound is suitable for being used as a main body material of a light-emitting layer of the organic light-emitting device, and the organic light-emitting device has relatively low driving voltage, relatively high current efficiency and relatively long service life.

The application provides a triphenylenoxazole compound and application thereof, and the structure of the triphenylenoxazole compound is shown as formula I; wherein L, L 1 , L 2 , L 3 , L 4 , L 5 , L 6 , L 7 , L 8 are independently selected from a single bond, a substituted or unsubstituted C6-C30 arylene group. The triphenylenoxazole compound provided by the application is applied to an organic electroluminescent device, and can effectively improve the current efficiency and service life of the device.

This invention belongs to the technical field of pure organic small molecule room-temperature phosphorescent materials, specifically relating to a phenyl(triphenyl-2-yl) methyl ketone derivative exhibiting room-temperature phosphorescence, its preparation method, and its applications. To develop a pure organic RTP material with strong intermolecular interactions and the ability to block oxygen and water quenching, this invention designs and synthesizes a series of phenyl(triphenyl-2-yl) methyl ketone derivatives with strong intermolecular interactions. Even when crystallization is disrupted, these derivatives can maintain strong intermolecular interactions to stabilize the TT. n It also blocks the quenching of oxygen and water to a certain extent, so that it can easily emit room temperature phosphorescence regardless of whether it is in the crystalline, amorphous, nanoparticle or polymer state, which is more conducive to its production and application.

The invention relates to organic electroluminescent materials and devices. Disclosed is an organic compound that can improve the performance of a phosphorescent organic light-emitting device containing indolocarbazole as an electron donor linked to an electron acceptor such as aza-triphenylene or dibenzoquinoxaline.

A kind of organic positive electrode molecule containing sulfur heterocycle triphenylene quinone and its preparation method.The molecular design is based on the propeller type structure formed by the expansion of the side wing benzene ring of triphenylene quinone through sulfide bond bridge.Further, the triphenylene quinone compound containing sulfur heterocycle is formed by connecting one of 2,3,6,7,14,15-hexachlorotriphenylene quinone, 2,3-difluorobenzoquinone, 2,3-dichloronaphthoquinone, 2,3-dichloroanthraquinone, 6,7-dichloroquinoxaline-5,8-dione and 2,3-dichloro-5,8-dihydroxynaphthalene-1,4-dione through sulfide bond to form propeller type triphenylene quinone molecule. The obtained organic positive electrode molecule containing sulfur heterocycle triphenylene quinone forms a two-dimensional supramolecular polymer through the π-π interaction of its side wings, which relieves the dissolution problem in ether electrolyte and shows excellent charge and discharge cycle stability. At the same time, the weak van der Waals force between the two-dimensional layers is beneficial to the rapid transmission of metal ions, realizing excellent rate performance. The provided electrochemically active positive electrode material can realize the performance of high capacity, high rate and long cycle life of organic battery.

The invention provides a urea group-containing covalent organic framework material as well as a preparation method and application thereof. The covalent organic framework material takes triphenylene as a conjugated basic framework and phenylene urea as a linking group, and the linking group contains rich nitrogen atoms, so that the COF material has excellent light absorptivity and photo-induced electron-hole pair separation efficiency, and provides rich reaction active sites, hydrogen peroxide is prepared by photolysis of water under the irradiation of a xenon lamp, and the reaction efficiency is improved. And the photocatalytic hydrogen peroxide production rate can reach 13197 umol g <-1 > h <-1 >. The covalent organic framework material can be prepared through solvothermal reaction, the reaction is mature, the preparation process is simple, and large-scale preparation is easy.

The invention discloses a sextuple insertion anion metal organic framework material with a single crystal structure as well as a preparation method and application of the sextuple insertion anion metal organic framework material. The sextuple insertion anion metal organic framework material with the single crystal structure is formed by coordination of a ligand taking triphenylene as a main body and zinc ions under a solvothermal condition; in the presence of a conditioning agent, six groups of structures with the same coordination mode are formed by mutual interpenetration in different interpenetration modes, and have good crystallinity and stability; due to the property of the anion framework, the framework material has a promoting effect on adsorption of cationic organic dyes in drinking water, and the cationic organic dyes in water can be effectively removed.

The present invention relates to a composition comprising an electron-transporting host and a hole-transporting host, to the use thereof in electronic devices and to electronic devices containing said composition. The electron-transporting host corresponds to a compound of formula (1) from the class of N-bridged triphenylenes that contain a substituted pyridine, pyrimidine or triazine moiety bonded via the N atom.

An organic light-emitting device comprising: a first electrode; a second electrode; and an emission layer between the first electrode and the second electrode, wherein the emission layer comprising a first compound, a second compound, and a third compound, the first compound comprising at least one compound represented by one of Formulae 1-1 to 1-4, the second compound comprising at least one compound represented by one of Formulae 2-1 to 2-4, and the third compound includes at least one of a triphenylene group, a dibenzofuran group, a dibenzothiophene group, a fluorene group, a biscarbazole group, or any combination thereof, wherein a band gap between a highest occupied molecular orbital (HOMO) band energy level and a lowest unoccupied molecular orbital (LUMO) band energy level of the third compound is 3.3 eV or more. Formulae 1-1 to 1-4 and Formulae 2-1 to 2-4 are described herein.

The invention relates to the technical field of preparation of organic room-temperature phosphorescent materials, in particular to a symmetric triphenylene room-temperature phosphorescent material as well as a preparation method and application thereof. The structural formula of the symmetric benzophenanthrene room-temperature phosphorescent material is shown as a formula I; formula I; the preparation method comprises the following step: reacting 2, 7-dihydroxy-3, 6, 10, 11-tetraalkoxy benzophenanthrene with saturated fatty acid under the action of a catalyst to generate the symmetric benzophenanthrene room-temperature phosphorescent material. The invention provides the diester-substituted symmetric triphenylene room-temperature phosphorescent material and the preparation method thereof, the synthesis process is simple, the yield is high, purification is easy, batch production can be realized, and the introduced symmetric ester group can optimize the assembly characteristic of molecules so as to improve the luminescence characteristic of the prepared room-temperature phosphorescent composite film.

The invention provides a triphenylene compound, an intermediate and an organic electroluminescent device, and relates to the technical field of organic electroluminescent materials. According to the invention, the structure of the triphenylene compound is designed, so that the triphenylene compound can be used as a luminescent layer main body material or an electron blocking layer material of the OLED luminescent device, and the OLED luminescent device has relatively low driving voltage, relatively high current efficiency and relatively long service life.

The invention discloses a preparation method and application of a charge transfer eutectic material with room-temperature phosphorescence and optical waveguide characteristics. The preparation method comprises the following steps: respectively mixing an electron donor triphenylene with electron acceptors tetrafluorophthalonitrile, tetrafluoroterephthalonitrile, tetrachlorophthalonitrile and tetrachloroterephthalonitrile, adding dichloromethane for ultrasonic dissolution, then adding ethanol for uniform ultrasonic mixing, and separating out crystals after a solvent is volatilized at room temperature, thereby obtaining the high-purity triphenylene. The material is the charge transfer eutectic material with room-temperature phosphorescence and optical waveguide characteristics. Accurate regulation and control of the long afterglow life can be achieved by adjusting the position of a substituent group of an electron acceptor and the number of substituted heavy atoms. The afterglow emission color of the four eutectic crystals spans a yellow-to-red region, and the service life can be adjusted from 30 ms to 1.223 s. One-dimensional assembly of the charge transfer eutectic enables the charge transfer eutectic to have low-loss active optical waveguide characteristics, time-resolved optical signal transmission can be realized by combining the characteristics with long afterglow performance, and potential application of the material in the fields of information encryption and time gating logic gates is shown.

The application discloses a kind of chlorinated fullerene-based positive electrode materials and its preparation method and application, and positive electrode material includes metal-organic framework material and filled in its pore channel chlorine and fullerene derivative.Metal-organic framework material is generated by metal-organic precursor and the reaction of containing triphenylene ligand.Metal-organic precursor is generated by containing imidazole ligand, chlorinated fullerene and the reaction of metal ion.In charge and discharge process, the pore structure of metal-organic framework material forms space confinement to charging product chlorine, and the strong electron acceptor characteristics of fullerene derivative forms chemical adsorption to discharge product chloride ion, realizes the double fixation of charging and discharging product.Metal-organic framework material skeleton contains triphenylene ligand with high electron delocalization performance, while metal-organic framework material pore fills conductive fullerene derivative, realizes the double promotion of positive electrode material conductivity, applied to aqueous zinc-chlorine battery, and also can effectively improve the cycle performance of positive electrode material.

The invention discloses a two-dimensional conductive metal organic framework material and a preparation method and application thereof, the chemical formula of the metal organic framework material is Mg3 (HITP) 2, the metal organic framework material has a two-dimensional layered stacked structure, and magnesium defects and nitrogen vacancies exist in the two-dimensional conductive metal organic framework material. The preparation method comprises the following steps: uniformly stirring and mixing a hexa-amino triphenylene hydrochloride solution, a magnesium acetate solution and a catalyst, carrying out a stirring reaction, carrying out centrifugal separation, collecting a solid precipitate, washing, and drying to obtain the two-dimensional conductive metal organic framework material. The obtained two-dimensional conductive metal organic framework material has a two-dimensional conjugated molecular structure, high conductivity, rich defect structures and excellent gas adsorption capacity, shows high sensitivity, high selectivity, quick response and good stability to ammonia gas at room temperature, and is suitable for flexible and portable gas sensing equipment, such as gas sensing equipment, gas sensing equipment and the like. The method has a wide application prospect in the fields of environmental monitoring, medical health, Internet of Things and the like.

Provided is a compound of Chemical Formula 1:wherein one of X1 to X8 is N, and one of the rest is C bonded to L1, and the rest are each independently CR; R is hydrogen or deuterium; Y is O or S; L1 is a single bond or L2 and L3 are each independently a single bond, phenylene, or naphthylene; Ar1 and Ar2 are each independently phenyl, biphenyl, terphenyl, quaterphenyl, naphthyl, binaphthyl, (naphthyl)phenyl, (phenyl)naphthyl, phenanthrenyl, triphenylenyl, chrysenyl, tetracenyl, benz[a]anthracenyl, benzo[c]phenanthrenyl, fluorenyl, 9,9-dimethylfluorenyl, 9,9-diphenylfluorenyl, spirobifluorenyl, fluoranthenyl, dibenzothiophenyl, dibenzofuranyl, carbazolyl or 9-phenylcarbazolyl, with the proviso that Ar1 and Ar2 are not phenyl at the same time, and Ar1 and Ar2 are each independently unsubstituted or substituted with at least one of deuterium, a C1-20 alkyl, a C3-20 cycloalkyl, or a C6-20 aryl, and an organic light emitting device including the same.