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131 results about "Iridium compound" patented technology
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In compounds of iridium (where known), the most common oxidation numbers of iridium are: 4, and 3. The term hydride is used to indicate compounds of the type MxHy and not necessarily to indicate that any compounds listed behave as hydrides chemically.
Novel organometallic compound, and organic light-emitting diode using same
ActiveUS20130334521A1Easy to useImprove emission efficiencyIndium organic compoundsElectroluminescent light sourcesLight-emitting diodeOLED
The present invention relates to a novel organometallic compound, and more particularly, to a luminescent organometallic compound in which intermolecular interaction is inhibited by means of introducing a germanium substituent, thereby improving light-emitting characteristics. The present invention also relates to an organic electronic device, specifically, to an organic light-emitting diode using the compound. According to the present invention, a germanium substituent is introduced to the parent organometallic iridium compound, thus inhibiting an intermolecular interaction in the solid state and enabling the compound of the present invention to be effectively used in solution processing. When the compound of the present invention is used as part of a light-emitting layer of an organic light-emitting diode, the light-emitting efficiency of the light-emitting diode may be significantly improved. Therefore, the compound of the present invention may be effectively used as a material for an organic light-emitting diode.
Owner:SAMSUNG ELECTRONICS CO LTD
Iridium compound and organic electroluminescent device using the same
ActiveUS20050031903A1High color purityConsumes less powerIndium organic compoundsDischarge tube luminescnet screensOrganic electroluminescenceDeep blue
A blue phosphorescent compound and an organic electroluminescent device using the same are provided. The blue phosphorescent compound can emit deep blue light and can improve color purity and reduce power consumption when used in an organic electroluminescent device.
Owner:SAMSUNG DISPLAY CO LTD
Iridium complexes demonstrating broadband emission through controlled geometric distortion and applications thereof
Owner:ARIZONA STATE UNIVERSITY
Organic electroluminescent devices and composition
ActiveUS20060063030A1Improve luminous efficiencyReduce the driving voltageDischarge tube luminescnet screensElectroluminescent light sourcesOrganic light emitting deviceTriplet state
An organic light emitting device contains a cathode, an anode, and has located there-between a light emitting layer, comprising co-hosts including a hole transporting compound and a particular aluminum chelate, together with at least one light emitting Iridium compound, wherein the Iridium compound is a tris CˆN-cyclometallated complex with a triplet energy less than or equal to the triplet energy of each of the co-hosts.
Owner:GLOBAL OLED TECH
Iridium complexes demonstrating broadband emission through controlled geometric distortion and applications thereof
Owner:ARIZONA STATE UNIVERSITY
Method for producing image using a photothermographic material
Provided is a method for producing image using a photothermographic material in which the photothermographic material is exposed with a laser light using an image producing apparatus having a recording section and heat developing section, and then developed by heating, the photothermographic material containing elsewhere at least on one plane of the a support at least one kind of photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent for silver ion and a binder; characterized in that the photosensitive silver halide contains an iridium compound, and the image producing apparatus has an exposure corrective control means for correctively controlling exposure output according to a temperature profile of photothermographic material within the apparatus. This method can provide an image with a stable quality while not being affected by environmental conditions during the image production.
Owner:FUJIFILM CORP
Light -Emitting Body,Lighting Device And Display Device Using The Same
InactiveUS20070292631A1Wide directivityLiquid crystal compositionsIndium organic compoundsControl systemDisplay device
A light-emitting body comprising a primary luminescent unit and a secondary luminescent unit that emits light owing to light emitted from the primary luminescent unit, wherein the secondary luminescent unit contains an iridium compound. As the iridium compound, an iridium complex represented by L1L2L3Ir, (L1, L2 and L3 are organic bidentate ligands coordinated to iridium, and at least one of these ligands coordinates with a nitrogen atom and a carbon atom) preferably, represented by formula (2) can be cited. (In the formula, X represents an atom group that forms an aromatic chelate ligand together with a carbon atom and a nitrogen atom bonded with iridium, n is an integer of 2 or 3, and L represents a bidentate organic ligand wherein the atoms other than carbon atoms are bonded with iridium.) The light-emitting body of the invention contains red (R), green (G) and blue (B) wavelength components to be wide in the color reproduction range, can be driven with a single power supply and control system, and does not cause photo-deterioration of constituent members.
Owner:SHOWA DENKO KK
Organic electroluminescent devices and composition
ActiveUS7767316B2Improve luminous efficiencyReduce the driving voltageDischarge tube luminescnet screensElectroluminescent light sourcesOrganic light emitting deviceTriplet state
An organic light emitting device contains a cathode, an anode, and has located there-between a light emitting layer, comprising co-hosts including a hole transporting compound and a particular aluminum chelate, together with at least one light emitting Iridium compound, wherein the Iridium compound is a tris C^N-cyclometallated complex with a triplet energy less than or equal to the triplet energy of each of the co-hosts.
Owner:GLOBAL OLED TECH
Iridium compound and organic electroluminescent device using the same
ActiveUS7332233B2High color purityConsumes less powerIndium organic compoundsDischarge tube luminescnet screensOrganic electroluminescenceDeep blue
A blue phosphorescent compound and an organic electroluminescent device using the same are provided. The blue phosphorescent compound can emit deep blue light and can improve color purity and reduce power consumption when used in an organic electroluminescent device.
Owner:SAMSUNG DISPLAY CO LTD
Benzimidazole chiral heterocyclic compound as well as preparation method and application thereof
ActiveCN109336887AHigh enantioselectivityImprove efficiencyOrganic chemistryAntipyreticEnzyme inhibitionAmination
The invention discloses a benzimidazole chiral heterocyclic compound as well as a preparation method and application thereof. The structure formula of the benzimidazole chiral heterocyclic compound isshown in formula I, formula II or formula III in the description. The benzimidazole chiral heterocyclic compound is prepared by treating an iridium complex which is prepared through a metal iridium compound and a phosphoramidite ligand as a catalyst, performing intra-molecular allyl amination on allyl substrate, and then synthesizing with high efficiency and high enantioselectivity. The method has the advantages of being high in catalytic reaction activity, mild in reaction conditions, high in enantioselectivity, wide in substrate applicable scope, and environmentally friendly; the primary in-vitro enzyme inhibition activity test shows that the compound is high in alpha-glucosidase inhibiting activity and can be used as an alpha-glucosidase inhibiting agent, and the compound can also be used as a further modified drug intermediate; the compound has a potential application value in preventing or treating II-diabetes, obesity and complication medicines thereof and pilot compounds thereof.
Owner:SUN YAT SEN UNIV
Iridium compound and organic electroluminescent device using the same
ActiveCN1626540AIndium organic compoundsElectroluminescent light sourcesOrganic electroluminescencePhotochemistry
Owner:SAMSUNG DISPLAY CO LTD
Quick detection method of meat freshness and detection platform thereof
InactiveCN101806741AEasy to detectImprove safety indexAnalysis by electrical excitationQuarantineElectrochemiluminescence
The invention discloses a quick detection method of meat freshness and a detection platform thereof, which belong to the electrochemical field. The invention is based on an electrochemical luminescence theory, has very good response to inorganic ammonia with an MWNTs / PVA / (pq)2Ir(N-phMA) modified electrode, takes an MWNTs / PVA / iridium compound modified electrode as a working electrode, a platinum wire electrode as a counter electrode and an Ag / AgCl electrode as a reference electrode, carries out CV-ECL scanning with the scanning scope of 0.2 to 1.8V and the scanning rate of 100mv / s, can continuously monitor the ammonia produced in the meat corruption change process, can quickly and sensitively detect the meat freshness, and improves the food quarantine efficiency and accuracy. The detection platform provided by the invention has the advantages of easy assembly, low cost and easy popularization, and is applicable to on-site rapid detection and mass screening.
Owner:æ— é”¡å¸‚ç–¾ç—…é¢„é˜²æŽ§åˆ¶ä¸å¿ƒ +1
Iridium compound and organic electroluminescent device using the same
InactiveUS20050287394A1High color purityReduce power consumptionIndium organic compoundsSolid-state devicesOrganic electroluminescenceEmission efficiency
An iridium compound is provided which is used as a light-emitting layer material of an organic EL device. An organic EL device using the iridium compound is high in device characteristics, including emission efficiency, brightness, color purity, and lifetime characteristics is also provided.
Owner:SAMSUNG MOBILE DISPLAY CO LTD
Preparation and application of carborane benzothiazole ligand containing semi-sandwich iridium complex
The invention provides an ortho-carborane based benzothiazole structure containing semi-sandwich iridium complex and a preparation method thereof. According to the ortho-carborane based benzothiazolestructure containing semi-sandwich iridium complex, a dinuclear iridium compound [Cp*IrCl2]2 is used as a raw material, and the dinuclear iridium compound reacts with n-BuLi and ortho-carborane basedbenzothiazole to obtain a trivalent iridium complex with the ortho-carborane based benzothiazole structure. A synthetic process provided by the invention is simple and environment-friendly, and has excellent selectivity and higher yield. The ortho-carborane based benzothiazole structure containing semi-sandwich iridium complex provided by the invention has stable physicochemical property, thermalstability and the like, the polymerization of ethylene can be efficiently catalyzed at an atmospheric pressure under a condition with MAO as a catalyst promoter, and the obtained polymer also has higher molecular weight.
Owner:SHANGHAI INST OF TECH
Red light conjugated polymer of side-chain quinoline ligand-containing iridium compound and light-emitting device
ActiveCN101775122AImprove luminous efficiencyImprove performanceSolid-state devicesSemiconductor/solid-state device manufacturingSide chainElectric light
The invention provides a red light conjugated polymer of a side-chain quinoline ligand-containing iridium compound, and an organic electric light-emitting device made from the red light conjugated polymer and a preparation method. At least one light-emitting layer with the red light conjugated polymer of the side-chain quinoline ligand-containing iridium compound is coated between the anode and the cathode of the electric light-emitting device, wherein the light-emitting layer is connected with the cathode. Therefore, the invention has the advantages of high light-emitting efficiency and stable performance.
Owner:CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI
Novel organometallic iridium compound, process of producing the same, and process of producing thin film
ActiveUS20040215029A1Good vaporization characteristic and decomposition characteristicLower decomposition temperatureFurnaces without endless coreGroup 8/9/10/18 element organic compoundsHalogenHydrogen
An organometallic compound having a low melting point, excellent vaporization characteristic and low film formation temperature on a substrate, for forming an iridium-containing thin film by the CVD process is provided. The organometallic iridium compound is represented by the following general formula (1) or (2): wherein R<1 >represents hydrogen or a lower alkyl group; R<2 >to R<7 >each represents hydrogen, a halogen, or the like, provided that specific combinations of R<1 >to R<7 >are excluded; R<8 >represents a lower alkyl group; R<9 >to R<12 >each represents hydrogen, a halogen, or the like, provided that specific combinations of R<8 >to R<12 >are excluded. Iridium-containing thin films are produced by using the compound as a precursor by CVD process.
Owner:TOSOH CORP
Flame-retardant silicone rubber
Flame-retardant compositions contain peroxidically crosslinking, addition-crosslinking or condensation-crosslinking silicone rubber and at least one rhodium compound or iridium compound or mixtures of the two. The compositions exhibit increased flame retardancy as compared to similar compositions containing platinum complexes, and especially when used in conjunction with the latter, produce stable ceramic layers upon combustion.
Owner:WACKER CHEM GMBH
Method for preparing acetic acid and acetic anhydride respectively or synchronously
ActiveCN101659607AAvoid productiveAvoid the pitfalls of acetic anhydrideOrganic-compounds/hydrides/coordination-complexes catalystsCarboxylic preparation from carbon monoxide reactionAcetic anhydrideAccelerant
The invention discloses a method for preparing an acetic acid and an acetic anhydride respectively and synchronously, which is characterized in that: a methanol, a methylacetate or a mixture of the methanol and the methylacetate and a mixed gas of carbon monoxide and hydrogen are reacted at 150 to 250 DEG C and 2.0 to 6.0 MPa; and a catalyst system used in the reaction comprises a mixture of rhodium or one of rhodium compounds and iridium or one of iridium compounds, a methyl iodide, at least one selected from mixtures of an amino acid and an amino acid derivative, the amino acid or the aminoacid derivative, and an accelerant. The method for preparing the acetic acid and the acetic anhydride in the invention has the advantages of: (1) reducing the generated tar, (2) reducing substance content of the acetic anhydride product, and (3) improving the stability of the catalyst system in the invention and avoiding the precipitation phenomenon. Due to the fact that the reaction system has no water, the corrosion to devices is also reduced.
Owner:SHANGHAI HUAYI ENERGY CHEM
Organometallic iridium compound, process of producing the same, and process of producing thin film
ActiveUS6884902B2Low film forming temperatureExcellent vaporization characteristicFurnaces without endless coreGroup 8/9/10/18 element organic compoundsHalogenHydrogen
Owner:TOSOH CORP
Organic metal iridium compound and organic light-emitting device (OLED)
InactiveCN109053810AImprove photoelectric performanceReduce stackingIndium organic compoundsSolid-state devicesOrganic light emitting deviceEvaporation
The invention discloses an organic metal iridium compound and an organic light-emitting device (OLED). A complex is fused into a ring by using a 4-sit substituent and a 5-sit substituent of a quinoline position so as be used as a structural unit part of the organic metal iridium compound, so that not only is the inter-molecular stacking effect reduced, but the improvement of the photoelectric performance of the OLED device is also facilitated, the sublimation temperature is lowered, and the original organic metal iridium compounds which are difficult to sublimate and purify are enabled to become materials which are easy to sublimate and easy in large-scale evaporation preparation of OLED devices. The organic metal iridium compound provided by the invention has good photoelectric propertiesand can be applied to the field of OLED illumination or OLED display.
Owner:ZHEJIANG FORST NEW MATERIAL RES INST CO LTD
Reversal tolerant membrane electrode assembly for a fuel cell
InactiveUS20150155567A1Satisfactory reversal toleranceLong-term degradationCell electrodesRegenerative fuel cellsElectrolysisFuel cells
A membrane electrode assembly (MEA) for a fuel cell which exhibits enhanced reversal tolerance. In particular, a layer of iridium or an iridium compound, preferably metallic iridium or iridium oxide supported on TiO2, is provided on the anode to electrolyze available water and pass the majority of the current during a reversal of the fuel cell, thereby preventing damage to the MEA. The iridium or iridium compound is applied to an anode structure according to a predetermined pattern, with only part of the anode active area containing Ir. The parts of the MEA that do not contain Ir are not expected to suffer degradation from Ir cross-over, so that overall degradation of the cell will be diminished. Having less precious metals will also translate into less cost.
Owner:FORD MOTOR CO +1
Iridium picolinate complex catalyst for synthesizing acetic acid by methanol carbonylation
InactiveCN101693209AImprove solubilityThe promotion effect is obviousOrganic-compounds/hydrides/coordination-complexes catalystsCarboxylic preparation from carbon monoxide reaction2-VinylpyridineRoom temperature
The invention discloses an iridium picolinate complex catalyst for synthesizing acetic acid by methanol carbonylation and a preparation method and an application thereof, a ligand of the catalyst is a copolymer of 2-vinyl pyridine and methyl acrylate, and a copolymer iridium complex catalyst is formed by the complexation reaction with an iridium compound. The preparation method comprises the steps of preparing the ligand of the catalyst, then dissolving 1 part by weight of the copolymer in 10-100 parts by weight of the acetic acid, stirring, heating under reflux, adding the iridium compound which accounts for 3-10% of the weight of the copolymer, carrying out reaction for 10-60min, cooling to the room temperature, using ether for precipitation, filtering and then obtaining a copolymer iridium catalyst. The 1 part by weight of the copolymer is added into the acetic acid solution containing (Ir(CO)2I)2 or (Ir(CO)2Cl)2 under stirring, the feeding is 3-10% of the weight of the copolymer calculated by the weight of iridium, the reaction is carried out for 10-30min under stirring, the ether is used for precipitation, and the copolymer iridium catalyst is obtained by filtering. The copolymer iridium catalyst is used for preparing the acetic acid by methanol carbonylation reaction and has good catalytic performance.
Owner:JIANGSU SOPO GRP +1
Trivalent iridium imine complex containing iridium nitrogen double bonds, preparation method and application of trivalent iridium imine complex
ActiveCN109293706AEasy to prepareHigh yieldIndium organic compoundsOrganic compound preparationMarkovnikov's ruleDouble bond
The invention belongs to the technical field of synthetic chemistry, and in particular relates to a trivalent iridium imine complex containing iridium nitrogen double bonds, a preparation method and an application of the trivalent iridium imine complex. A binuclear iridium compound cyclooctadiene iridium chloride dimer [ (COD) IrCl ]2 is taken as a raw material, and the binuclear iridium compoundiridium(I) cyclooctadiene chloride, dimer [ (COD) IrCl ]2 reacts with phenyl dipyrrole compounds under an alkaline condition to obtain a precursor containing a monovalent iridium complex, and the precursor is oxidized into the trivalent iridium imine compound containing the iridium nitrogen double bonds by using an azide oxidation method. The synthesis process is simple and green, and has excellent selectivity and higher yield. The trivalent iridium imine complex has the characteristics of stable physical and chemical properties, thermal stability and the like, and shows excellent activity andregioselectivity (anti-Markovnikov's rule) in hydroamination of olefins.
Owner:SHANGHAI INST OF TECH
An OLED device and a manufacturing method thereof
InactiveCN102169965AEasy injectionImprove balanceSolid-state devicesSemiconductor/solid-state device manufacturingLight-emitting diodeElectron
The invention discloses a novel red phosphorescent iridium compound with high luminous efficiency and saturation and an OLED device based on doping of the compound. The OLED device is of multilayer structure, which, from an underlayer, successively consists of a transparent conducting film, a cavity transport layer, a light-emitting layer, a cavity-exciton barrier layer, an electron injecting layer and a cathode, wherein the light-emitting layer is of composite structure formed by stack-up of successive three layers of different host materials doped with red light iridium complex. Mass concentrations of the red light iridium complex doped in the host material layers of the light-emitting layer are identical or are deviated from each other, with the total mass concentration of the doping between 5% and 10%. The device commendably restrains the exciton to emit light in the light-emitting layer, thereby improving efficiency and color stability of the red organic light-emitting device. The red organic light-emitting device in the invention can be applied to a red light unit and a red light component of white light of high-performance color rendering devices.
Owner:SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI
Raw-material compound for CVD and chemical gas-phase steam-plating method for iridium and iridium compound film
InactiveCN1455016AImprove production efficiencyPromote gasificationGroup 8/9/10/18 element organic compoundsSolid-state devicesOrganoiridium compoundGas phase
This invention provides raw material compounds for use in CVD which contain an organic iridium compound as a main ingredient, the organic iridium compound consisting of tris(5-methyl-2,4-hexanedionato)iridium. According to the CVD which uses the above raw material compounds, a pure iridium thin film and an iridium oxide thin film of excellent morphology can be produced effectively.
Owner:TANAKA PRECIOUS METAL IND
Flame-retardant silicone rubber
Flame-retardant compositions contain peroxidically crosslinking, addition-crosslinking or condensation-crosslinking silicone rubber and at least one rhodium compound or iridium compound or mixtures of the two. The compositions exhibit increased flame retardancy as compared to similar compositions containing platinum complexes, and especially when used in conjunction with the latter, produce stable ceramic layers upon combustion.
Owner:WACKER CHEM GMBH
Method for producing catalyst for fuel cell
InactiveUS7569509B2High catalytic activityActive material electrodesCatalyst activation/preparationFuel cellsOrganic solvent
Owner:NISSAN MOTOR CO LTD
Red light organic electroluminescent phosphorescent iridium compound
InactiveCN102153593AHigh luminous intensityHigh phosphorescent emission intensityGroup 8/9/10/18 element organic compoundsSolid-state devicesHigh current densityConcentration quenching
The invention discloses an iridium compound organic electroluminescent phosphorescent material capable of emitting bright red phosphorescence in a pure solid film. The material contains benzothiazole derivate cyclometalated ligand, xenyl and replaced xenyl are introduced on the benzothiazole, so that the maximum phosphorescent emitting wavelength bathochromic shift of the iridium compound reachesover 600 nanometers in the pure solid film, and the iridium compound is in salmon color and pure red color; simultaneously, the problem of reduction in emitting intensity of a solid phosphorescence material, caused by concentration quenching or triplet-triplet exciton annihilation, is avoided. A red-light electroluminescent phosphorescent device with an undoped structure can be prepared by using the iridium compound as a luminescent material; when the device works under the condition of higher current density, the luminous efficiency is not remarkably reduced, device performance is stable, and the luminous color is salmon color or pure red color.
Owner:SICHUAN UNIV
Catalyst system for use in preparation of acetic acid and acetic anhydride or synchronous preparation of acetic acid and acetic anhydride and preparation method thereof
ActiveCN101658800AImprove stabilityNo precipitation occurredOrganic-compounds/hydrides/coordination-complexes catalystsCarboxylic preparation from carbon monoxide reactionAcetic acidAcetic anhydride
The invention discloses a catalyst system for use in the preparation of an acetic acid and an acetic anhydride or the synchronous preparation of the acetic acid and the acetic anhydride, which is characterized by comprising: a mixture of rhodium or one or more selected from rhodium compounds and iridium or one or more selected from iridium compounds; a methyl iodide; at least one selected from a mixture of an amino acid and an amino acid derivative and the amino acid or the amino acid derivative; and an accelerant. The catalyst system disclosed by the invention overcomes the disadvantages of high tar content of reaction liquid, low product purity and poor stability of the catalyst in the production of the acetic acid and the acetic anhydride in the presence of a rhodium-based catalyst.
Owner:SHANGHAI HUAYI ENERGY CHEM
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