84results about How to "Low sublimation temperature" patented technology

The invention discloses an organic metal iridium complex (or hybrid iridium complex). The structure of the complex is as shown in the specification, a developed indolocarbazole series serves as a unit portion of an organic metal iridium light-emitting ligand structure, the charge transfer capacity of the conjugate iridium complex is increased, the performance of an OLED (organic light-emitting diode) device can be improved, the dissolving performance of the light-emitting iridium complex can be enhanced, sublimation temperature is reduced, and a plurality of original difficultly dissolved, sublimated and purified light-emitting iridium complexes are easily dissolved, sublimated and evaporated on a large scale to prepare the OLED device.

The present invention concerns particular fluorenes, the use of the compound in an electronic device, and an electronic device containing at least one of these compounds. The present invention further concerns a method for producing the compound and a formulation and composition containing one or more of the compounds.

The invention provides an organic semiconductor material, which is characterized in that indolocarbazole heteroaromatic rings are constructed to realize high heat resistance, high charge transmission performance and good processability. An organic light emitting diode applying the organic semiconductor material has the characteristics of high efficiency, low voltage and long work life.

Belonging to the technical field of molybdenum metallurgy, the invention relates to a method for microwave roasting of molybdenite concentrate to produce high-purity molybdenum oxide. The method includes: firstly conducting crushing and ball milling on molybdenite concentrate, then spreading the crushed molybdenite concentrate to a thickness of 1-4cm, and placing the product in a microwave cavity; turning on a microwave output switch, blowing in compressed air, regulating the microwave output power, and carrying out pre-oxidation on the crushed molybdenite concentrate; heating the pre-oxidized molybdenite concentrate to a sublimation temperature and performing thermal insulation for 30-60min, in the process, letting the molybdenum trioxide steam generated by oxidizing roasting overflow through a microwave reactor top, performing water-cooling and then conducting collection by a bag dust collector, thus obtaining high-purity molybdenum trioxide reaching the nonferrous metal industry grade 2 standard. The method provided by the invention has the advantages of short technological process, low energy consumption, and high product purity, etc.

The invention relates to specific phenanthrenes, the use of the compound in an electronic device, and an electronic device containing at least one of said compounds. The invention further relates to a method for producing the compound and a formulation and composition containing one or more of the compounds.

The present invention concerns particular fluorenes, the use of the compound in an electronic device, and an electronic device containing at least one of these compounds. The present invention further concerns a method for producing the compound and a formulation and composition containing one or more of the compounds.

The invention relates to a compound of the formula (I), to the use of the compound in an electronic device, and to an electronic device containing a compound of the formula (I). The invention further relates to a method for producing a compound of the formula (I) and to a formulation containing one or more compounds of the formula (I).

An indenofluorenedione derivative having a specific structure, which is useful as a material for organic electroluminescence devices because the derivative is excellent in heat resistance and can be vapor-deposited on a substrate at moderate temperature. An organic electroluminescence device including an anode, a cathode, and an organic thin layer between the anode and the cathode, which contains the material for organic electroluminescence devices in the organic thin layer, is driven at a low driving voltage and has a long lifetime.

The present invention concerns particular fluorenes, the use of the compound in an electronic device, and an electronic device containing at least one of these compounds. The present invention further concerns a method for producing the compound and a formulation and composition containing one or more of the compounds.

The invention relates to a preparation device and a production method for a sulfur electrode material. The sulfur electrode material preparation device comprises a mixer, a sulfur storage device, a heating system and a vacuum system, wherein the sulfur storage device is as high as the mixer body; a porous stainless steel tube is a trapezoidal stainless tube which is wide in bottom and narrow in top; holes which are 1-20 microns in hole diameter and 2-10/square centimeters in hole count are symmetrically distributed in the surface of the stainless steel tube; the electrode material is a porous oxide electrode material dispersed with elemental sulfur; particles of the porous oxide electrode material are 10-500 nm; the porous oxide electrode material is one of hollow vanadium pentoxide nano powder, hollow nickel-cobalt-manganese-lithium oxide nano powder, hollow lithium manganate nano powder and hollow nickel-cobalt-lithium oxide nano powder; elemental sulfur accounts for 20-70% (in mass fraction) of the sulfur electrode material; 1-20% (in mass fraction) conductive polymer coats on the surface layer of the sulfur electrode material; the conductive polymer is one of polypyrrole, polyaniline, polythiophene and polyacrylonitrile. While being applied to a positive electrode of a lithium sulfur battery, the composite material has a high specific capacity and excellent circulating performance, and has a good application prospect in the battery field.

An organic semiconductor material is characterized by indolocarbazole derivative heteroaromatic ring as the molecule structure thereof, so that the organic semiconductor material has the properties of high heat resistance, stability and high charge transmission and processing performance. Organic light-emitting diode made of the organic semiconductor material has the advantages of high efficiency, low voltage and long service lifetime.

By introducing deuterium at a natural abundance ratio or higher into a novel polycyclic aromatic compound in which a plurality of aromatic rings is linked via a boron atom, an oxygen atom, or the like, options of a material for an organic device such as a material for an organic EL element are increased. Furthermore, by using a novel deuterium-substituted polycyclic aromatic compound as a material for an organic EL element, for example, an organic EL element having excellent luminous efficiency and element lifetime is provided.

The invention discloses a light-emitting metal iridium complex and an organic electroluminescence device prepared from the same. The light-emitting metal iridium complex is characterized in that the structure of the complex is as shown in a formula (1) in the specification, in the formula (1), Ar is an aromatic pentabasic ring or hexahydric ring; n is 1 to 2; X is fluorine-containing alkyl of which the carbon atoms are less than 12 and comprises CF3, CF2CF3, CH2CF3, CF2CF2CF3, CH2CF2CF3, CF(CF3)2, CH(CF3)2, CF2CF(CF3)2, CH2CF(CF3)2; p is a substituted integer of 1-4; L is bidentate coupled light-emitting ligand containing N atoms.

The invention discloses a method for preparing single crystal nanostructure of an organic compound, which comprises the following steps of: (1) disposing a substrate and a quartz boat loaded with an organic compound powder into a quartz tube, connecting the quartz tube with a vacuum system and vacuuming the quartz tube to a pressure 10<-2> to -5 Pa; and (2) heating the quartz boat to the sublimation temperature of the organic compound and heating the substrate to a temperature lower than the sublimation temperature of the organic compound by 130 to 180 DEG C, keeping the vacuum degree in the quartz tube and growing the crystal nanostructure of the organic compound on the substrate. The invention is simple and easy and can obviate the use of a template and a catalyst. The obtained nanostructure has good crystallization, no defect, high purity and better test reproducibility.

The invention discloses a compound taking dimethyl anthrone as a core and an application of the compound to an organic electroluminescence device. The compound taking the dimethyl anthrone as the core has the advantages that molecules are not easily crystallized or gathered, and the compound has a good film-forming property. When the compound is used as a light-emitting layer material of the organic electroluminescence device, the current efficiency of the device is greatly improved, and the service life of the device is obviously prolonged.

The invention provides an organic small-molecule luminescent material and an organic electroluminescent device. The organic small-molecule luminescent material provided by the invention is obtained bycoupling a novel acridine donor unit 10H-spiro[acridine-9,2'-adamantane] with a receptor unit. The organic small-molecule luminescent material has a single structure and a determined molecular weight, is convenient for purification and high in multiple synthetic reproducibility, and has low sublimation temperature and high decomposition temperature and stable film morphology; since the non-aromatic rigid structure adamantine is used as a donor part structure, the organic small-molecule luminescent material has a high photoluminescent quantum yield in the film state; when the organic small-molecule luminescent material is applied to the organic electroluminescent device, the problem of low efficiency of the device caused by serious non-radiative attenuation due to configuration relaxationof an excited state molecule can be effectively solved.

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.

The invention discloses a compound taking pyridine as a core and application thereof to an organic electroluminescence device. The compound takes pyridine as the core, and has the characteristics thatmolecules are not likely to crystallize and aggregate, and the compound has an excellent film-forming property. When the compound is used as a luminescent layer material of the organic electroluminescence device, the current efficiency, the power efficiency and the external quantum efficiency of the device are greatly improved; and the service life of the device is remarkably prolonged.

The invention relates to a compound taking pyridine as a core and application of the compound on an organic electroluminescence device. The compound takes pyridine as the core, and has the characteristics of being difficult to crystallize among molecules, difficult to gather and excellent in film-forming property. When the compound disclosed by the invention is used as a luminous layer material ofthe organic electroluminescence device, the current efficiency, power efficiency and external quantum efficiency of the device are greatly improved. Meanwhile, the compound has a very obvious effecton prolonging of the life of the device.