44 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 invention belongs to the technical field of polyimide composite film manufacturing, and in particular to a transparent thermoplastic polyamic acid resin, a transparent thermoplastic composite film, and its preparation method and application. The transparent thermoplastic polyamic acid resin includes a diamine monomer and a dianhydride monomer; the diamine monomer is a mixture of 2,2'-bis(trifluoromethyl)-4,4'-bis(4-aminophenylcarbonylamino)biphenyl and 4,4'-bis(3-aminophenoxy)diphenyl sulfone; the dianhydride monomer is a mixture of 2,3,3',4'-diphenyl ether tetracarboxylic dianhydride and p-phenylene-bis(triphenylene)diamine dianhydride. The transparent thermoplastic composite film provided by the present invention has both excellent light transmittance and excellent peel strength.

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;

This invention relates to the field of optical sensing and imaging detection technology, specifically to a triphenylene-oxanthracene derivative, its preparation method, and a fluorescent probe for viscosity detection. The triphenylene-oxanthracene derivative has the general formula shown in Formula I. Compared to Rhodamine B, the synthesized triphenylene-oxanthracene derivative exhibits a larger Stokes shift. Furthermore, the fluorescence intensity of the triphenylene-oxanthracene derivative increases with increasing cell viscosity. In addition, the triphenylene-oxanthracene derivative can be further used to detect mitochondrial viscosity, exhibiting good mitochondrial targeting. In summary, the probe improves the Stokes shift, has a wide optical response pH range, and possesses excellent mitochondrial targeting.

The present invention belongs to the field of chemical engineering and discloses a method for preparing a novel covalent organic framework photoelectrocatalyst and the photoelectrocatalyst thereof. The method comprises reacting bromophenylporphyrin with phenylboronic acid to obtain an aldehyde group, thereby obtaining biphenylporphyrin (PP). Triphenylene (TC) reacts with ammonium cerium nitrate under a palladium-carbon catalyst to obtain an amino group, thereby obtaining diaminotriptycene (TAT). Under acidic conditions, the aldehyde group of the biphenylporphyrin (PP) and the amino group of the diaminotriptycene (TAT) react with each other to form a -C=N- bond, forming a stable Schiff base structure. This novel covalent organic framework photoelectrocatalyst can photoelectrocatalyze the production of urea from CO2 and nitrite, and exhibits advantages such as physical and chemical stability, good dispersibility, minimal environmental impact, and low cost.

The invention relates to an OLED material and application thereof. The OLED material provided by the invention adopts N-substituted triphenylene as an electron acceptor and carbazole and a derivative thereof as electron donors, is a main body material of long-life triplet excitons, can limit high-energy excitons, and has sub-second triplet lifetime. When the material is used as a luminescent layer main body material of a luminescent device, relatively high device efficiency can be obtained, and the service life is relatively long.

The invention provides a triphenylene compound, an intermediate, a composition and an organic electroluminescent device. The triphenylene compound has a structure as shown in a formula I or a formula II. 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 phosphorescent light-emitting layer of the organic electroluminescent device, and the organic electroluminescent device has relatively low driving voltage, relatively high current efficiency and relatively long service life.

The present application belongs to the technical field of organic electroluminescent material, and relates to a pyrene-containing compound and application thereof in an organic electroluminescent device. The pyrene-containing compound of the present application takes a combination of fluorene and adamantane and pyrene as a mother nucleus, and is combined with pyrene, triphenylene, chrysene, phenanthrene and other fused ring molecules at specific positions to form a fused ring structure with certain rigidity and molecular twist. The compound has suitable HOMO, LUMO and T1 values, and is suitable for use as a blue light host material. The pyrene-containing compound of the present application is used as a blue light host material in an organic electroluminescent device, plays a key role in improving the luminance efficiency, service life and other performances of the device, and improves the luminance efficiency of the device by 9.4-38.5% and prolongs the service life of the device by 22.8-68.7%.

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 discloses a composite cross-linked hole transport layer based on a benzophenanthrene derivative and a preparation method thereof, two molecules based on a benzophenanthrene mother nucleus are designed and synthesized, and through molecular design of the multifunctional benzophenanthrene derivative and optimization of a composite cross-linking process, F-HAT has a fluorine atom side chain to enhance intermolecular force, so that the hole transport layer is formed. Regulating and controlling the temperature interval of the molecular liquid crystal phase; v-HAT is provided with a side chain containing an alkenyl double bond, and a cross-linking reaction can be spontaneously carried out. A one-dimensional carrier transmission channel is constructed in the cross-linked network, and the hole mobility is improved to 3.48 * 10 <-2 > cm < 2 > V <-1 > s <-1 >; the crosslinking temperature is reduced to 80-100 DEG C, thermal decomposition of a perovskite layer (such as MAPbI3) is avoided, and the method is suitable for heat-sensitive substrates (such as PET and PI); cooperative optimization of high mobility, high stability and low temperature process of the hole transport layer is realized, and a solution with performance, cost and environmental benefits is provided for commercialization of perovskite solar cells.

The invention belongs to the technical field of materials, and particularly discloses a photocuring 3D printing formula of a high-strength workpiece containing triphenylene disc-shaped conjugated liquid crystal, the high-strength workpiece and a preparation method of the high-strength workpiece. The printing formula comprises a curing monomer, a cross-linking agent and a photoinitiator; the curing monomer comprises a liquid crystal monomer and a hydrogel monomer, and the cross-linking agent is triphenylene disc-shaped conjugated liquid crystal; the photocuring liquid crystal prepolymer system capable of being used for digital light processing (DLP) 3D printing is prepared according to the formula. DLP 3D printing equipment is used for layer-by-layer curing forming under ultraviolet irradiation, and the subsequent curing treatment and solvent replacement process are combined, so that an intelligent response type printing model with good three-dimensional structure precision, high thermotropic strength performance and a liquid crystal ordered structure is obtained. By regulating and controlling the proportion of the liquid crystal material to the hydrogel material, precise regulation and control of the mechanical strength and the like of a workpiece can be achieved, and the application potential of the disc-shaped liquid crystal material in flexible intelligent devices is expanded.

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.

The invention relates to organic electroluminescent materials and devices. A compound useful as a host material in an OLED is provided. The present invention relates to a compound comprising at least one chemical group selected from the group consisting of triphenylene, carbazole, indolocarbazole, dibenzothiophene, dibenzofuran, dibenzoselenophene, aza-triphenylene, aza carbazole, aza-indolocarbazole, aza-dibenzothiophene, aza-dibenzofuran, and aza-dibenzoselenophene; wherein the compound is substituted with at least one R selected from the group consisting of alkyl, cycloalkyl, spiroalkyl, partially or fully deuterated variants thereof, partially or fully fluorinated variants thereof, and combinations thereof.

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 discloses an organic compound containing cycloalkyl naphthyl benzofuran, a composition and an organic electroluminescent device containing the organic compound. The structural general formula of the organic compound is as shown in formula I, and L1 and L2 independently represent a single bond, substituted or unsubstituted phenylene or naphthylene; ar1 represents a substituted or unsubstituted phenyl group, naphthyl group, phenanthryl group, pyrenyl group, or triphenylene group; and Ar2 represents a cycloalkyl naphthyl benzofuran. A parallel naphthenic base structure is introduced to naphthyl benzofuran, so that the carrier transmission performance of a main body material is improved, the polarity is reduced, and the service life of a prepared device is prolonged; meanwhile, the parallel naphthenic base structure can also adjust the interaction with the guest material, so that the problems of spectrum widening, light-emitting red shift and the like caused by the interaction between the host material and the guest material are avoided, and the luminous efficiency of the device is favorably improved. # imgabs0 #

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 present invention discloses a triphenylene carboxylic acid ligand modified with ortho-thiol, a metal organic framework material containing MS2O2 sites, and its preparation method and application. The ligand has a triphenylene main π conjugated structure and ortho-modified carboxyl and thiol groups, and is coordinated with metal ions through a solvent thermal reaction. The bond length of the S-M bond formed by the coordination is shorter than the bond length of the O-M bond formed by the coordination of the carboxyl group and the metal ion, so that the d-π conjugation between the coordinated metal ion and the π conjugated organic ligand is strengthened, which is conducive to improving the rate of electron conduction in the metal organic framework material, thereby further improving the reaction activity of the metal organic framework material. In particular, the material with Co as the coordinated metal ion can achieve a photocatalytic hydrogen evolution rate (HER) of 4126.01μmol g ‑ 1 h ‑1 , with excellent photocatalytic hydrogen evolution activity. Metal-organic framework materials can be produced by solvent thermal reaction. The preparation process is mature, the steps are simple, the yield is high, and they can be prepared in large quantities.

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 belongs to the technical field of organic electroluminescent materials, and relates to a pyrene-containing compound and application thereof in an organic electroluminescent device. According to the pyrene-containing compound, fluorene adamantane and pyrene are combined to serve as a mother nucleus, the mother nucleus and pyrene, benzophenanthrene, phenanthrene and other fused ring molecules form a fused ring structure with certain rigidity and molecular distortion at a specific position, and the pyrene-containing compound has proper HOMO, LUMO and T1 values and is suitable for being used as a blue light host material. The pyrene-containing compound is used as a blue light host material for an organic electroluminescent device, and plays a key role in improving the brightness efficiency, the service life and the like of the device, the brightness efficiency of the device is improved by 9.4-38.5%, and the service life of the device is prolonged by 22.8-68.7%.