40 results about "Rubidium sulfate" patented technology

The invention provides a method for preparing aluminum cesium sulfate and aluminum rubidium sulfate by using tantalum-niobium tailings lepidolite, which is characterized by comprising the steps of: smashing lepidolite powder into about 100 to 200 meshes; putting the lepidolite powder and a sulfuric acid solution with a concentration of 30 to 70 percent according to a solid-liquid mass ratio of 1:(2-8) into a reaction device; reacting for 3 to 10 hours at 60 to 200 DEG C to remove fluorine and obtain a sulfuric acid solution containing Li<+>, separating and removing a fluorine containing solution; filtering and separating the sulfuric acid solution containing Li<+>, washing filter residue with water fully to remove the filter residue and obtain filtrate which is mother solution 1; and changing the temperature of the mother solution 1 to 10 to 100 DEG C under stirring in order to separate solid aluminum cesium sulfate and solid aluminum rubidium sulfate.

The invention relates to a method for dissolving out to extract lithium from defluorinated lepidolite in a pipeline. The method comprises the following steps: blending defluorinated lepidolite ore powder, sulfate of alkaline metal or alkaline earth metal, an additive and water according to the ratio to obtain slurry; after pre-heating the paste through a pre-heater, directly conveying the slurry into a pipeline reactor by utilizing a pump and carrying out high-temperature and high-pressure dissolving-out reaction; after reacting, cooling and recycling heat; carrying out solid-liquid separationon the slurry and washing; concentrating filtrate and removing impurities; adding sodium carbonate lithium-settling crystals to obtain a lithium salt product; circulating a lithium-settling mother solution until ingredients are blended to form slurry or sodium separation is carried out; then recycling potassium sulfate, rubidium sulfate and cesium sulfate. The method provided by the invention hasa simple system structure; compared with other lepidolite dissolving-out and lithium extraction technologies, the pipeline reactor is not provided with a mechanical stirring device and high pressureis easy to realize; the method has the advantages of less investment, low cost, small energy consumption and capability of comprehensively utilizing reaction dreg. The method is green and environmentally friendly, has high economic benefits and has an industrial production and application prospect.

The invention relates to a compound boron rubidium sulfate, a boron rubidium sulfate crystal and a preparation method thereof. The chemical formula of the compound is Rb5BS4O16, the molecular weight is 822.40, the chemical formula of the compound boron rubidium sulfate crystal is Rb5BS4O16, the molecular weight is 822.40, the compound boron rubidium sulfate crystal belongs to a tetragonal system, the space group is P43212, the cell parameters are as follows: a is equal to 10.148(4) A0, c is equal to 16.689(14) A0, Z is equal to 4, V is equal to 1718.8(17) A3, the boron rubidium sulfate compound is prepared by a solid reaction process, the compound is used for growing crystal through a flux growth method to obtain the boron rubidium sulfate crystal, the prepared crystal has a large dimension of at least centimeter level, and the crystal has the advantages of wide transmission waveband, fast preparation speed, simplicity in operation, short growth period, good mechanical property and easiness for processing, and the like.

The invention relates to a method for producing potassium sulfate by utilizing insoluble rocks containing potassium. The technological process comprises the following steps: (1) pretreating the insoluble rocks containing potassium; (2) treating the insoluble rocks containing potassium by use of ammonium fluoride; (3) filtering a product treated with the ammonium fluoride; (4) performing acidolysis on the product obtained after treatment based on ammonium fluoride; (5) dissolving the product obtained after treatment based on sulfuric acid in water; (6) performing fractional precipitation by regulating the pH (Potential Of Hydrogen) so as to obtain a potassium sulfate solution; (7) regenerating and recycling an ammonium fluoride solution. Potash feldspars K(AlSi3O8) are mainly taken as the rocks containing potassium. Rubidium feldspars and cesium feldspars, which are utilized to replace the potash feldspars, are used for producing rubidium sulfate and cesium sulfate by utilizing the process and the process condition which are provided by the invention. The insoluble rocks containing potassium are converted into acid-soluble solids by use of ammonium fluoride, so that the potassium sulfate is obtained after the acid-soluble solids are acidified by the sulfuric acid; meanwhile, other elements in the rocks are effectively utilized. The ammonium fluoride is recycled in the whole technological process. The technological process is low in temperature, easy to control and high in reaction yield.

The invention discloses an organic electroluminescent device and a manufacturing method thereof. The organic electroluminescent device comprises a glass substrate, a conductive anode, a hole injection layer, a hole transmission layer, a luminous layer, an electron transmission layer, an electron injection layer and a cathode which are stacked in sequence, wherein the electron injection layer comprises a rhenium compound doped layer, a rubidium compound layer and a metal layer which are stacked in sequence; the rhenium compound doped layer is arranged on the surface of the electron transmission layer and made from a mixed material formed by mixing a rhenium compound with a bipolar organic material at a mass ratio of (1:1) to (4:1); the rubidium compound layer is made from rubidium carbonate, rubidium chloride, rubidium nitrate or rubidium sulfate; the metal layer is made from low-work-function metal with the work function ranging from -2.0 eV to -3.5 eV. The electron injection layer can effectively improve the luminous efficiency of the device.

An organic electroluminescence device comprises an anode, a hole injection layer, a hole transport layer, a luminescent layer, an electron transport layer, an electron injection layer and a cathode which are stacked in sequence, wherein the electron injection layer consists of a ternary doped layer and a cesium salt doped layer; the ternary doped layer comprises a rubidium compound material, a zinc oxide material and an electron transport material I; the rubidium compound material is at least one of rubidium carbonate, rubidium chloride, rubidium nitrate and rubidium sulfate; the glass transition temperature of the electron transport material I is 50-100 DEG C; the cesium salt doped layer comprises a cesium salt material and an electron transport material II doped in the cesium salt material; the glass transition temperature of the electron transport material II is 50-100 DEG C; the cesium salt material is at least one of cesium fluoride, cesium carbonate, cesium azide and cesium chloride. The organic electroluminescence device is relatively high in luminescence efficiency. The invention further provides a preparation method of the organic electroluminescence device.

The invention belongs to the technical field of hydrometallurgy, in particular to a method for extracting Rb+ from low concentration brine and preparing high purity rubidium salt, which comprises thefollowing steps: saturating crude filtered brine through Rb+ adsorption column; stopping pumping brine and rinsing the Rb+ adsorption column with pure water, then rinsing the adsorption column with anammonium salt solution, eluting the Rb+ to obtain a first rich rubidium solution; concentrating the first rich rubidium solution to obtain a second rich rubidium solution; adding aluminum sulfate tothe second rich rubidium solution and carrying out recrystallization to obtain a highly pure rubidium aluminum sulfate crystal; adding barium hydroxide to the solution obtained after dissolution of the aluminum rubidium sulfate crystal to obtain a rubidium hydroxide solution; and adding acid to the rubidium hydroxide solution and carrying out the recrystallization to prepare the high purity rubidium salt. The method for extracting the Rb+ from the low concentration brine and preparing the high purity rubidium salthas the advantages of being high in efficiency, environmental in process and capable of preparing a variety of rubidium salts with a purity up to 99.99%.

An organic electroluminescence device comprises an anode, a hole injection layer, a hole transporting layer, a luminous layer, an electron transporting layer, an electron injection layer and a cathode which are overlapped in sequence, wherein the electron injection layer is made of one or more rubidium compound materials, one or more copper oxide materials and one or more of metal materials; the rubidium compound material(s) is/are one or more of rubidium carbonate, rubidium chloride, rubidium nitrate and rubidium sulfate; the copper oxide material(s) is/are one or more of cuprous iodide, cuprous oxide, copper phthalocyanine and cupric oxide; the work function of the metal materials is -4.0 eV to -5.5 eV. The light efficiency of the organic electroluminescence device is relatively high. The invention further provides a preparation method of the organic electroluminescence device.

An organic electroluminescence device comprises an anode, a hole injection layer, a hole transporting layer, a luminous layer, an electron transporting layer, an electron injection layer and a cathode which are overlapped in sequence, wherein the electron injection layer comprises a rubidium compound doped layer and a metal doped layer; the rubidium compound doped layer is made of a rubidium compound material and a molysite material doped in the rubidium compound material; the rubidium compound material is one or more of rubidium carbonate, rubidium chloride, rubidium nitrate and rubidium sulfate; the molysite material is one or more of ferric chloride, ferric bromide and ferric sulfide; the metal doped layer is made of a first metal material and a second metal material doped in the first metal material; the work function of the first metal material is -2.0 eV to -3.5 eV; the work function of the second metal material is -4.0 eV to -5.5 eV. The light efficiency of the organic electroluminescence device is relatively high. The invention further provides a preparation method of the organic electroluminescence device.

The invention discloses an organic light-emitting device, which comprises an anode, a hole injection layer, a hole transmission layer, a light emitting layer, an electron transport layer, an electron injection layer and a cathode laminated in sequence, wherein the electron injection layer is composed of a two-element doping layer and a rubidium compound layer; the two-element doping layer rubidium compound material and electron transport material; the rubidium compound material selects at least one from rubidium carbonate, rubidium chloride, rubidium nitrate and rubidium sulfate; the electron transport material selects at least one from 4, 7-Diphenyl-1, 10-phenanthroline, 2-(4-tert-Butylphenyl)-5-(4-biphenyl)-1,3,4-oxadiazole, 8-Hydroxyquinoline aluminum salt and N-aryl benzimidazole; and the rubidium compound layer material is also the rubidium compound material. The above organic light-emitting device is high in light emitting efficiency. The invention also provides an organic light-emitting device manufacturing method.

An organic electroluminescence device comprises an anode, a hole injection layer, a hole transporting layer, a luminous layer, an electron transporting layer, an electron injection layer and a cathode which are overlapped in sequence, wherein the electron injection layer is made of one or more rubidium compound materials, one or more cesium salt materials and titanium dioxide; the rubidium compound material(s) is/are one or more of rubidium carbonate, rubidium chloride, rubidium nitrate and rubidium sulfate; the cesium salt material(s) is/are one or more of cesium fluoride, cesium carbonate, cesium azide and cesium chloride. The light efficiency of the organic electroluminescence device is relatively high. The invention further provides a preparation method of the organic electroluminescence device.

The invention discloses an organic light-emitting device, which comprises an anode, a hole injection layer, a hole transmission layer, a light emitting layer, an electron transport layer, an electron injection layer and a cathode laminated in sequence, wherein the electron injection layer is composed of a three-element doping layer and a titanium dioxide layer; the three-element doping layer comprises rubidium compound material, electron transport material and metal material; the rubidium compound material selects at least one from rubidium carbonate, rubidium chloride, rubidium nitrate and rubidium sulfate; and the electron transport material selects at least one from 4, 7-Diphenyl-1, 10-phenanthroline, 2-(4-tert-Butylphenyl)-5-(4-biphenyl)-1,3,4-oxadiazole, 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline, and 2,2'-(1,3-Phenylene)-bis [5-(4-tert-butylphenyl)-1,3,4-oxadiazole]. The above organic light-emitting device is high in light emitting efficiency. The invention also provides an organic light-emitting device manufacturing method.

The invention relates to an organic light-emitting device and a production method thereof. The organic light-emitting device is of a layered structure and comprises an anode conducting substrate, a hole injection layer, a hole transmission layer, a light-emitting layer, an electron transmission layer, an electron injection layer and a cathode layer which are stacked in sequence; the electron injection layer comprises a rubidium compound layer, a ternary doping layer and a rhenium compound layer; the rubidium compound layer is made of rubidium carbonate, rubidium chloride and rubidium nitrate or rubidium sulfate, the ternary doping layer is made of materials of low-work function metal, high-work function metal and metal sulfide. The rubidium compound layer in the electron injection layer is low in melting point and easy to evaporate and plate; work function is low due to existing of metal ions, electron injection barrier between the electron transmission layer and the injection layer can be lowered, and injection of electrons is benefited.

An organic electroluminescence device comprises an anode, a hole injection layer, a hole transporting layer, a luminous layer, an electron transporting layer, an electron injection layer and a cathode which are overlapped in sequence, wherein the electron injection layer is made of one or more rubidium compound materials, one or more metal oxide materials and zinc powder; the rubidium compound material(s) is/are one or more of rubidium carbonate, rubidium chloride, rubidium nitrate and rubidium sulfate; the metal oxide material(s) is/are one or more of molybdenum trioxide, tungsten trioxide and vanadic oxide. The light efficiency of the organic electroluminescence device is relatively high. The invention further provides a preparation method of the organic electroluminescence device.

The invention relates to an organic light-emitting device and a production method thereof. The organic light-emitting device comprises an anode conducting substrate, a hole injection layer, a hole transmission layer, a light-emitting layer, an electron transmission layer, an electron injection layer and a cathode layer which are stacked in sequence; the electron injection layer comprises a rubidium compound doping layer and an iron salt layer; the rubidium compound doping layer is made of materials of a rubidium compound, low-work function metal and high-work function metal; the rubidium compound is made of materials of rubidium carbonate, rubidium chloride, rubidium nitrate or rubidium sulfate. The rubidium compound of the organic light-emitting device is low in melting point and easy to evaporate and plate; due to existing of metal ions, work function is low, an electronic injection barrier between the electron transmission layer and the injection layer can be reduced, and injection of the electron is benefited.

An organic electroluminescence device comprises an anode, a hole injection layer, a hole transporting layer, a luminous layer, an electron transporting layer, an electron injection layer and a cathode which are overlapped in sequence, wherein the electron injection layer is made of one or more rubidium compound materials, one or more electron transporting materials and one or more lithium salt materials; the rubidium compound material(s) is/are one or more of rubidium carbonate, rubidium chloride, rubidium nitrate and rubidium sulfate; the electron transporting material(s) is/are one or more of 4,7-diphenyl-1,10-phenanthroline, 2-(4'-tert-butylphenyl)-5-(4'-biphenyl)-1,3,4-oxadiazole, 8-hydroxyquinoline aluminum, and N-aryl benzimidazole; the lithium salt material(s) is/are one or more of lithium oxide, lithium fluoride, lithium chloride and lithium bromide. The light efficiency of the organic electroluminescence device is relatively high. The invention further provides a preparation method of the organic electroluminescence device.