135 results about "Dibenzothiophene" patented technology

The invention discloses an organic compound, a composition, an electronic device and a display panel. The organic compound has a structure as shown in formula (1): (1); the organic compound provided by the invention is an arylamine compound taking dibenzofuran or dibenzothiophene substituted by a heterocyclic group containing a nitrogen atom, an oxygen atom or a sulfur atom as a core structure, and can have a relatively high refractive index; when the organic compound provided by the invention is used in a covering layer of an electronic device, the refractive index of the covering layer can be effectively improved, so that the luminous efficiency of the electronic device is improved, and the electronic device with excellent performance can be realized.

The invention discloses a high-color-purity near ultraviolet heat exciton compound with circular polarization property and application thereof in preparation of a circular polarization organic electroluminescent device, and belongs to the technical field of organic photoelectric materials. The electroluminescent material disclosed by the invention is a high-color-purity near ultraviolet heat exciton compound with circular polarization property, and two pairs of near ultraviolet enantiomers are successfully designed and synthesized by combining a chiral group binaphthol, a weak donor dibenzothiophene, dibenzofuran and an acceptor cyanophenyl; the compounds show obvious circular polarization luminescence property and high fluorescence quantum yield. The electroluminescent devices prepared based on the enantiomers all show near ultraviolet emission, CIE coordinates are respectively (0.168, 0.040) and (0.166, 0.040), and the external quantum efficiencies are respectively 4.3% and 3.4%. According to the near ultraviolet heat exciton material, a new visual angle is provided for developing the near ultraviolet heat exciton material with circular polarization luminescence and high color purity at the same time, and 3D and wide color gamut display can be directly achieved in the future.

The invention provides an optical monomer as well as a preparation method and application thereof, the structural general formula of the optical monomer is shown in the specification, in the formula, R1 and R2 are groups with the structural formula shown in the specification; or, one of R1 and R2 is hydrogen, and the other one of R1 and R2 is a group shown in the structural formula; r0 in the group represents hydrogen or methyl. The optical monomer provided by the invention has a (methyl) acrylate group and has the properties of high refractive index and low volume shrinkage; the monomer contains a plurality of aromatic rings with high molar refractive index and low molar volume, sulfur atoms with higher molar refractive index and dibenzothiophene groups with both aromatic rings and sulfur, so that the whole molecule of the monomer has extremely high refractive index, and the whole optical monomer is small in molecular weight and convenient to migrate.

The invention relates to the technical field of catalysts, in particular to a desulfurization catalyst and application thereof in hydrodesulfurization. The desulfurization catalyst adopts a hollow core shell, a weak acid site is constructed on a shell surface, and a boron-containing polymerization network is formed through surface-initiated polymerization; and linear / branched polyethyleneimine complexation is used for synergistically introducing Ni and Mo, in-situ vulcanization is performed after inert atmosphere pretreatment, and a dispersed nickel molybdenum sulfide active phase and shallow and deep double-peak metal distribution are obtained. The structure inhibits excessive hydrogenation while ensuring diffusion and structural stability, promotes a direct desulfurization path, and shows high conversion and high selectivity to 4, 6-dimethyl dibenzothiophene. The catalyst has low hydrogen consumption, high aromatic hydrocarbon retention and cycling stability, and is suitable for deep desulfurization of diesel oil and preparation of ultralow-sulfur fuel.

The invention provides a compound, a light-emitting device, a display substrate and a display device, the structural formula of the compound is as shown in a general formula (1): # imgabs0 #, the structural formula of G is as shown in a general formula (2), and two wavy lines respectively represent connection positions of G with a triazine structure and L in the general formula (1); the proportion of the electron cloud of the LUMO energy level of the compound on G is 3%-60%; x is O, S, C (R1) (R2) or N (R3); a is phenyl or naphthyl, and Het is substituted or unsubstituted dibenzofuran at least containing one N atom, substituted or unsubstituted dibenzothiophene at least containing one N atom, substituted or unsubstituted benzodibenzofuran at least containing one N atom, and substituted or unsubstituted benzodibenzothiophene at least containing one N atom.

Provided are an organic compound having a structure shown in formula 1, an organic light-emitting device comprising the compound, and an electronic device. The compound comprises a parent nucleus structure formed by fusing 7H-benzo[C]carbazole with dibenzofuran or dibenzothiophene by means of a pyrrole ring. When used as a hole transport host material in a mixed host material, the compound can improve the carrier balance in a light emitting layer, broaden a carrier recombination area, improve the exciton generation and utilization efficiency, improve the light-emitting efficiency of the device, and prolong the service life of the device.

The invention discloses a self-early-warning and self-repairing integrated coating, and particularly relates to the field of coatings, the self-early-warning and self-repairing integrated coating comprises a capsule D, a capsule A and a PDMS matrix which are mixed according to the mass ratio of 1: 1: 10; the capsule D is obtained by mixing an electron donor D compound solution, an HDI solution and a continuous phase solution, emulsifying, performing ice bath, preserving heat, filtering, washing and drying, and the electron donor D is a carbazole molecule or a dibenzothiophene molecule; the capsule A is obtained by mixing an electron acceptor A compound solution, an HDI solution and a continuous phase solution, emulsifying, performing ice bath, preserving heat, filtering, washing and drying, and the electron acceptor A is a 1, 2, 4, 5-tetracyanobenzene molecule; the continuous phase solution is a mixed aqueous solution of urea, resorcinol, ammonium chloride and sodium dodecyl benzene sulfonate, the compatibility problem of self-early warning and self-repairing factors is solved, light and color response factors with the characteristics of timeliness, accuracy and universality are developed, timely early warning is achieved when the coating is damaged, misjudgment is not likely to happen, and the self-repairing effect is achieved while self-early warning is conducted.

The invention discloses a hydrodesulfurization catalyst as well as a preparation method and application thereof. The catalyst comprises a carrier, an organic hydrogenation active metal compound and an organic sulfur-containing compound, wherein the organic sulfur-containing compound is selected from at least one of benzothiophene sulfur-containing compounds, dibenzothiophene sulfur-containing compounds or naphthothiophene sulfur-containing compounds containing substituent groups and / or functional groups. The preparation method of the hydrodesulfurization catalyst comprises the following steps: preparing an impregnation liquid containing an organic sulfur-containing compound and an organic hydrogenation active metal compound; and impregnating a carrier with the impregnation liquid, and drying to obtain the catalyst. The catalyst is used in the hydrodesulfurization process of distillate oil, and the deep hydrodesulfurization activity can be obviously improved.

The present invention discloses a luminescence assisting material, the general structural formula of which is shown in Chemical Formula 1: and a preparation method of the above luminescence assisting material and an electroluminescent device containing the same. By introducing triarylamine functional groups, the present invention greatly improves the hole transport efficiency. The amine unit has steric hindrance to prevent electrons from overflowing. Moreover, by introducing a benzodibenzofuran or benzodibenzothiophene structure, the molecular symmetry is reduced, the conformational isomers of the molecule are increased, and the molecule has a rigid planar structure, so that the molecules are not easily crystallized or aggregated, and the yield of manufacturing the organic EL device is improved.

The invention belongs to the technical field of hydrodesulfurization, and particularly relates to a butyl phosphonic acid modified magnesium-based hydrodesulfurization material and a preparation method thereof. The magnesium-based hydrodesulfurization material is prepared from the following raw materials: magnesium, carbon black and butyl phosphonic acid, and the preparation method comprises the following steps: adding the magnesium into the carbon black for ball milling; carrying out hydrotreating on a solid product obtained by ball milling; adding the hydrotreated solid product into butyl phosphonic acid for ball milling; and carrying out heat treatment on a solid product obtained by ball milling in the previous step to prepare the butyl phosphonic acid modified magnesium-based hydrodesulfurization material. Magnesium hydride in the magnesium-based hydrodesulfurization material is used as a high-activity hydrogen source for hydrodesulfurization of dibenzothiophene in an anthracene oil liquid phase, and high temperature and high pressure are not needed in the hydrodesulfurization process; the surface of magnesium hydride is modified by butyl phosphonic acid, so that dibenzothiophene molecules stand and are adsorbed on the surface of magnesium hydride, a direct hydrogenolysis desulfurization reaction is carried out, and a benzene ring is not subjected to hydrogenation saturation, so that the selectivity of the hydrodesulfurization reaction can be improved.

The present invention belongs to the field of organic photoelectric materials. Disclosed are an organic electroluminescent material, a preparation method therefor, and use thereof. The structure of the organic electroluminescent material is as shown in formula I. The compound provided by the present invention can be used as a doping material for a luminescent layer. By selecting a specific ligand compound and substituting with a specific substituent at the 3-position of dibenzothiophene, the spatial configuration and three-dimensional structure between molecules can be changed, resulting in a designed molecular orientation. The present invention features superior device performance of higher turn-on voltage and low driving voltage, and it mitigates the crosstalk between sub-pixels and endows OLED devices with the advantages of long service life, high efficiency, and low driving voltage.

Novel compounds that contain azadibenzofuran, azadibenzothiophene, and azadibenzoselenophene with fused rings that can be used as a host material in phosphorescent OLEDs are disclosed.

The application discloses a synthesis method of aromatic aldehyde, comprising the following steps: under inert atmosphere, a compound shown in formula I and a compound shown in formula II are reacted in an organic solvent containing a photocatalyst, a nickel catalyst, a ligand, a base and water under blue light irradiation to obtain aromatic aldehyde shown in formula III; formula I, formula II and formula III are structures as follows, ring A is selected from benzene, pyridine, thiophene, furan, pyridazine, indazole, indole, isoquinoline, quinoline, naphthalene, benzothiophene, dibenzofuran or dibenzothiophene; the application generates formyl radicals under the nickel synergistic photo-oxidation and reduction catalytic condition, and the formylation of bromobenzene and its derivatives is realized in a simple and efficient one-pot way, aromatic aldehyde is constructed, and the reaction has the characteristics of cheap and easily available raw materials, mild reaction conditions, controllable synthesis process, high separation yield / yield, green environmental protection, wide substrate applicability and the like.

The application discloses a kind of heterogeneous methylation reagent and preparation method thereof, it is related to organic synthesis technical field.The preparation method of heterogeneous methylation reagent provided by the application, the heterogeneous methylation reagent is heterogeneous aryl sulfide type methylation reagent or heterogeneous aryl sulfide type deuteromethylation reagent, this preparation method is based on the synthesis method of superhigh crosslinking polymer, by aryl sulfide compound with thianthrene as representative is polymerized, the reactivity of material obtained after polymerization still retains monomer, can repeatedly cycle and carry out methylation or deuteromethylation, reach almost 100% atomic utilization efficiency.The traditional homogeneous sulfur methyl methylation reagent such as (DMTT) will produce dibenzothiophene by-product after reaction, and it is very difficult to separate and purify methylated product, and the methylation reagent of heterogeneous of the application only needs simple centrifugation or suction filtration step to realize the separation of product and methylation reagent, greatly improve synthesis efficiency.

The invention provides a divalent platinum or palladium metal complex phosphorescent material based on dibenzothiophene coordination and application of the divalent platinum or palladium metal complex phosphorescent material. The phosphorescent material has a general formula structure as shown in a formula (I): # imgabs0. The complex disclosed by the invention is based on a novel tetradentate ligand of 4-phenyl dibenzothiophene, pyridine phenoxy anions and derivatives thereof, and is coordinated with central metal ions to form a 6 / 5 / 6 type tetradentate ring metal complex phosphorescent material; due to the existence of the Pt-S coordinate bond, the material has an obvious temperature response characteristic. The luminescent intensity of the material is increased along with the reduction of the temperature, the emission wavelength is subjected to blue shift along with the reduction of the temperature, and the material shows dark green light emission at 77K, but shows yellow light emission along with the temperature rising to 289K, which indicates that the material has potential application value in optical thermometers.

According to the arylamine compound with the structure shown in the formula (1), the compound is applied to an organic electroluminescent device as a second hole transport layer material, and performance improvement of the organic electroluminescent device can be achieved. Wherein A1 is selected from a substituted or unsubstituted C6-C14 aromatic ring, A2 is selected from a substituted or unsubstituted C10-C14 aromatic ring, L1 and L2 are respectively and independently selected from a single bond, a substituted or unsubstituted C6-C30 arylene group and a substituted or unsubstituted C3-C30 heteroarylene group, L3 and L5 are respectively and independently selected from a substituted or unsubstituted C6-C30 arylene group, and L5 is selected from a substituted or unsubstituted C6-C30 heteroarylene group. L4 is selected from substituted or unsubstituted dibenzofuranylidene and substituted or unsubstituted dibenzothienyl, and Ar1 and Ar2 are respectively and independently selected from hydrogen, deuterium, halogen, cyano, substituted or unsubstituted C1-C10 alkyl, substituted or unsubstituted C3-C10 cycloalkyl, substituted or unsubstituted C6-C30 aryl and substituted or unsubstituted C3-C30 heteroaryl.

An organic light-emitting device including a compound of Chemical Formula 1 and a compound of Chemical Formula 2:wherein: X1 is O or S; Cy1 is a substituted or unsubstituted dibenzofuran or a substituted or unsubstituted dibenzothiophene; Ar1 is a substituted or unsubstituted aryl group or a substituted or unsubstituted heteroaryl group; and the other substituents are as defined in the specification;where Ar2 is a substituted or unsubstituted aryl group or a substituted or unsubstituted heteroaryl group; Ar3 is Chemical Formula A, and Z10 or Z11 of Chemical Formula A is linked to L2 of Chemical Formula 2:where X2 is O or S; Cy2 is a substituted or unsubstituted benzene or a substituted or unsubstituted naphthalene; and the other substituents are as defined in the specification.

A surface-enhanced Raman scattering (SERS) substrate is provided. The SERS substrate includes a transparent substrate and a nanocomposite composition. The nanocomposite composition includes a silver-loaded silica (Ag—SiO2) nanocomposite having a silica core and a silver / silica shell disposed around the silica core and a zeolitic material having a nano porous structure. The silver / silica shell contains silver nanoparticles uniformly distributed therein. The Ag—SiO2 nanocomposite is uniformly disposed on a surface of the zeolitic material. The nanoparticles of the Ag—SiO2 nanocomposite are spherical and have a mean particle size of 100 to 500 nanometers (nm). A method of obtaining a Raman spectrum of a sulfur-containing compound in a mixing composition is also provided.

The invention provides a green phosphorescent host material and an organic electroluminescent device, and belongs to the field of electroluminescent materials, the structural general formula of the green phosphorescent host material is a chemical formula I. The green phosphorescent host material provided by the invention takes a rigid dibenzofuran group or dibenzothiophene group as an intermediate bridging group; a carbazole group and a triazine group are respectively connected to the first position and the fourth position of a dibenzofuran group or a dibenzothiophene group, and the structure can effectively improve the hole and electron transmission capability, enables holes and electrons to reach a balance state, enables a material device to maintain low driving voltage, and has high luminous efficiency and long service life.

The present invention provides a novel dibenzothiophenium salt compound and a method for producing the same. The present invention also provides a photoacid generator containing the dibenzothiophenium salt compound, a resist composition containing the photoacid generator, a method for forming a resist pattern using the resist composition, and the like. The present invention relates to a compound represented by chemical formula (I), a photoacid generator containing the compound, a resist composition containing the photoacid generator, and a method for forming a resist pattern using the resist composition. (In the formula, R1 and R2 are the same or different and each represent a hydrogen atom, a halogen atom, -CF3, -SO2R3, an alkyl group having 1-10 carbons, -OH, a polymerizable group selected from formula (S-1) to formula (S-4), or an acid-reactive group selected from formula (R-1) to formula (R-7). R3 represents -CF3, -CF2CF3, an alkyl group having 1-10 carbons, or a phenyl group. [A]- represents a trifluoromethanesulfonic acid anion (TfO-) or a halide ion.) (In the formulae, R1a represents a hydrogen atom or a methyl group, and Y represents a single bond or an alkylene group having 1-3 carbons.) (In the formulae, Y is as described above. R51 to R53 may be the same or different, and each represent a hydrogen atom, an alkyl group having 1-20 carbons, an alkenyl group having 2-8 carbons, or an aromatic group having 4-18 carbons, or R 51 and R52 may be linked to each other to form, together with the carbon atoms to which these are bonded, an aliphatic hydrocarbon ring having 3-20 carbons. R54 and R55 are the same or different, and each represent a hydrogen atom or an alkyl group having 1-6 carbons. R56 represents an alkyl group having 1-20 carbons or an alicyclic hydrocarbon group having 3-20 carbons. -CH2- contained in the alkyl group, the aliphatic hydrocarbon ring, and the alicyclic hydrocarbon group may be substituted with -O- or -S-, and d represents an integer from 0 to 4. A case in which R51 to R53 are all hydrogen atoms in formula (R-1), formula (R-3), and formulae (R-5) to (R-7) is excluded.)

The present invention relates to OLED materials containing aza-dibenzofuran or aza-dibenzothiophene; to the use thereof in organic electronic devices; to mixtures containing these materials; and to electronic devices containing these compounds, in particular organic electroluminescent devices containing these compounds as matrix materials, electron-transport materials or hole-blocking materials.

The invention provides a residual oil hydrocracking conversion degree evaluation method, which comprises: 1, determining the content of a characteristic compound in an aromatic hydrocarbon component in a residual oil raw material, and recording the content as D; 2, carrying out a hydrocracking reaction on the residual oil raw material to obtain a hydrocracking liquid product, determining the content of the characteristic compound in the aromatic hydrocarbon component in the hydrocracking liquid product by using the same method as the step 1, and recording the content as E; 3, the residual oil hydrocracking conversion degree is determined according to the E / D value, and the larger the E / D value is, the higher the residual oil hydrocracking conversion degree is; wherein the characteristic compounds are benzene, naphthalene, phenanthrene, dibenzothiophene and alkyl substitutes thereof. The selected characteristic compound has good representativeness, the chromatographic analysis result of the characteristic compound is easy to identify and process, the proposed parameters and the conversion degree of the residual oil have good relevance, and the method has good operability.

The invention belongs to the technical field of organic photoelectric materials, and discloses a compound with an electron transmission function, a preparation method and an organic electroluminescent device. The compound with the electron transport function has a structure as shown in a formula I in the specification. According to the invention, triazine is used as a mother nucleus and is connected with a naphthalene ring through dibenzofuran or dibenzothiophene, and a cyano derivative and aryl or heteroaryl are used as a triazine side chain, so that the obtained compound can be used as a material of an electron transport layer or a hole blocking layer, and has the advantages of reducing driving voltage, improving luminous efficiency and prolonging service life.

Provided are an organic compound, an organic light emitting diode, and an electronic device. A compound having a benzocarbazole structure and a phenylene-dibenzofuran structure has strong hole transport capability, and can quickly transfer holes to a light-emitting layer. In addition, it has a suitable energy level, and can confine carriers within the light-emitting layer and reduce a decrease in efficiency caused by carrier overflow. An organic light emitting element prepared from this compound has a lower driving voltage and higher current efficiency, and is suitable for preparing high-performance organic light emitting elements. The compound has the structure shown in formula (1), Ar3 having a structure as shown, A1 being selected from an aromatic ring, A2 being selected from an aromatic ring, L5 being selected from an arylene group, L4 being selected from a dibenzofuranylene group or a dibenzothiophenylene group, L1-L3 each being independently selected from a single bond, an arylene group and a heteroarylene group, and Ar1 and Ar2 each being independently selected from hydrogen, deuterium, a halogen, a cyano group, an alkyl group, a cycloalkyl group, an alkoxy group, an alkenyl group, an alkynyl group, an aryl group and a heteroaryl group.

The present invention relates to the technical field of blue light electroluminescent materials, and discloses an organic blue light host material, a preparation method thereof, and an application thereof. The structural formula of the organic blue light host material is Formula I, wherein R1 to R8 are each independently selected from an H atom or an electron-donating / withdrawing structural unit. The organic blue light host material of the present invention uses dibenzothiophene as a core, introduces an electron-withdrawing or electron-deficient end group, and forms a D‑π‑A structure, which not only achieves good stability, high fluorescence efficiency, and an appropriate triplet energy level, but also promotes the injection and transport of electrons and holes, which is beneficial for its use as a light-emitting layer material in the preparation of non-doped organic electroluminescent devices, achieving low efficiency roll-off at high current density; at the same time, it can be used as the host of green / yellow / red phosphorescent materials to prepare phosphorescent electroluminescent devices with high efficiency and low roll-off.

The present invention relates to diaza-dibenzofuran and diaza-dibenzothiophene derivatives and to electronic devices containing these compounds, in particular organic electroluminescent devices containing these compounds in the form of a host material, optionally in combination with other host materials and suitable phosphorescent emitters, the invention also relates to suitable mixtures and formulations of said compounds.

This application discloses an organic compound, a mixture, a composition, an organic light-emitting device, and a display panel. The general formula of the organic compound is as follows; the molecular structure of the organic compound consists of two of the following: an electrophilically hybridized nitrogen atom combined with a fluorenyl structure, a dibenzofuran structure, and a dibenzothiophene structure. This gives the organic compound sufficiently strong hole transport and stability. When the organic compound of this application is applied to the light-emitting auxiliary layer, it can effectively block excitons and suppress exciton reverse transport, which is beneficial to improving the luminous efficiency and lifetime of the organic light-emitting device.

The application relates to a high-color-purity near-ultraviolet hot exciton compound with circular polarization properties and application in preparation of circular polarization organic electroluminescent devices, and belongs to the technical field of organic photoelectric materials. The electroluminescent material is a high-color-purity near-ultraviolet hot exciton compound with circular polarization properties. Two pairs of near-ultraviolet enantiomers are successfully designed and synthesized by combining a chiral group binaphthol, a weak donor dithiophene and a weak donor dibenzofuran, and an acceptor benzonitrile. The two pairs of near-ultraviolet enantiomers all show obvious circular polarization luminescence properties and high fluorescence quantum yields. Electroluminescent devices prepared based on the enantiomers all show near-ultraviolet emission, and the CIE coordinates are (0.168, 0.040) and (0.166, 0.040) respectively, and the external quantum efficiencies are 4.3% and 3.4% respectively. The application provides a new perspective for developing near-ultraviolet hot exciton materials with circular polarization luminescence and high color purity, and is favorable for directly realizing 3D and wide color gamut display in the future.

The present disclosure relates to the field of organic electroluminescent materials. An aromatic amine compound and an organic electroluminescent device and an electronic apparatus containing the same are provided. In the aromatic amine compound of the present disclosure, aryl is connected to the 1-position of dibenzofuran (or dibenzothiophene) and arylamine is connected to the 2-position. This method ensures that a benzene ring connected to a nitrogen atom contains ortho substituted aryl, which can improve the mobility of molecules. By changing the conjugated group of substituents to adjust the injection and transport balance of holes between a hole transport layer and an luminescent layer, the luminous efficiency of the device is improved.

This application relates to the field of organic electroluminescent materials technology, providing an organic compound and an organic electroluminescent device and electronic device containing the same. The organic compound of this application comprises a core structure formed by the fusion of 7H-benzo[C]carbazole with dibenzofuran or dibenzothiophene through a pyrrole ring. When this compound is used as a hole-transporting host material in a hybrid host material, it can improve carrier balance in the luminescent layer, broaden the carrier recombination region, improve exciton generation and utilization efficiency, and enhance the luminous efficiency and lifetime of the device.