85results about "Antimony compounds" patented technology

The invention discloses a preparation method and application of a metal sulfide adsorbent for adsorbing iodine and methyl iodide. The preparation method comprises the following steps: uniformly mixing an antimony source, a sulfur source, a deep eutectic solvent, polyamine and water to obtain a mixed solution; and transferring the mixed solution into a high-pressure reaction kettle, sealing, carrying out hydrothermal reaction at 110-220 DEG C for 2-9 days, cooling to room temperature to separate out crystals, and filtering, washing and drying to obtain the metal sulfide adsorbent. The invention also discloses application of the metal sulfide adsorbent in adsorption of iodine and methyl iodide. The metal sulfide adsorbent disclosed by the invention has a good adsorption effect on iodine and methyl iodide, and compared with an ethylenediamine-oriented metal sulfide adsorbent, the diethylenetriamine-oriented metal sulfide adsorbent has higher adsorption capacity on iodine and methyl iodide.

The invention provides near-infrared adjustable double-perovskite type mechanoluminescence fluorescent powder as well as a preparation method and application of the near-infrared adjustable double-perovskite type mechanoluminescence fluorescent powder. The expression general formula of the double perovskite type mechanoluminescence fluorescent powder is Sr2M1-xSbO6: xCr < 3 + >, wherein M is Al, Ga, Sc, In or Y; x is equal to 1%-7%. The preparation process of the fluorescent powder comprises the following steps: a, weighing strontium carbonate, an oxide of M, antimony pentoxide and chromium sesquioxide according to the element proportion in the chemical general formula Sr2M1-xSbO6: xCr < 3 + >; b, mixing the weighed raw materials, and uniformly grinding to obtain a mixture; and c, carrying out high-temperature calcination on the obtained mixture to obtain the near-infrared adjustable double perovskite type mechanoluminescence fluorescent powder. By regulating and controlling the components of the substrate, the emission main peak can be adjusted from 780nm to 946nm. The fluorescent powder provided by the invention can show a self-recovery near-infrared stress luminescence characteristic without pre-irradiation under continuous stress stimulation, is simple to prepare and convenient for industrial batch production, and has a wide application prospect.

The invention relates to a preparation method of antimony pentafluoride, which comprises the following steps: preheating raw material gas nitrogen trifluoride, placing nitrogen trifluoride and antimony powder in a tubular furnace reactor made of a specific material, carrying out gradient heating reaction at 300-400 DEG C under the condition that the antimony powder is distributed by adopting a multi-layer nickel plate tiled structure, carrying out reaction for 10-40 seconds, and carrying out solid filtration through a filter after the reaction is completed, so as to obtain the antimony pentafluoride. And carrying out cold trap collection to obtain an antimony pentafluoride product. The diameter of the reactor is made of a nickel material or Monel to prevent corrosion of antimony pentafluoride, the number of tiled layers of nickel plates is r / 5-r / 10, the contact area is increased, the reaction yield is increased, and the utilization rate of the raw material nitrogen trifluoride is increased.

The application relates to the field of inorganic materials, in particular to a kind of antimony trioxide and its preparation method and application, comprising: preparing PS-b-PVP copolymer template; PS-b-PVP copolymer template is immersed in treatment in antimony salt and ammonia water in turn; pyrolysis under inert gas protection, the antimony trioxide prepared in the application has unique nanotubular structure, effectively shortens the transmission path of lithium ion and electron, significantly inhibits the pulverization and structure collapse of electrode material in the charging and discharging process, thereby endowing it with high specific capacity and excellent cycle stability.

The application belongs to the technical field of novel inorganic two-dimensional material preparation, and particularly relates to a method for efficiently and controllably preparing antimony oxide ene in pure water by using a liquid-phase ultrasonic exfoliation method. The method uses high-purity antimony particles as raw materials, and uses a simple liquid-phase exfoliation method to exfoliate the antimony powder to obtain few-layer antimony oxide ene. The preparation method is green, environmentally friendly, simple and easy to operate, can greatly reduce the preparation cost, and the prepared antimony oxide ene has the characteristics of high quality, good dispersity, high yield and high oxidation degree, so as to overcome the technical defects of the prior art method, such as relatively poor quality of the antimony oxide ene sample and environmental pollution in the preparation method.

The preparation method of the antimony trioxide with the porous structure comprises the following steps: adding an antimony trioxide matrix into a montmorillonite loading agent which is 5-8 times of the total amount of the antimony trioxide matrix, stirring, carrying out suction filtration, and drying to obtain the antimony trioxide with the porous structure. An antimony trioxide matrix is constructed by adopting a double emulsion template method, meanwhile, montmorillonite is pretreated, interlayer water is damaged by preheating at 210-230 DEG C, then the temperature is increased to 350 DEG C, heat preservation is performed for 1 h, an interlayer structure is stripped through thermal expansion, the specific surface area is increased, more active sites are exposed, and the specific surface area is increased. And dopamine / carbon nanotube composite modification: dopamine hydrochloride is subjected to self-polymerization under a weakly alkaline condition to form a polydopamine (PDA) coating layer.

The application provides a preparation method of a sulfur-selenium antimony solar cell with a uniform absorption layer component gradient. The optimization scheme for improving the longitudinal component distribution uniformity of the Sb2(S,Se)3 thin film and the band matching of the Sb2(S,Se)3 device by using a low-cost triethanolamine complexing agent solves the problems of the non-ideal longitudinal component gradient of the absorption layer caused by the too fast reaction precipitation in the hydrothermal reaction system. 2+ Sb 3+ reaction precipitation.

A synthesis method of active antimony sulfide for gaseous radioactive iodine adsorption comprises the following steps: S1, mixing inorganic compound powder A, macrocyclic polyamine B and sulfur powder, putting the mixture into a container, and adding deionized water to obtain a mixture; s2, carrying out ultrasonic treatment on the mixture treated in the step S1, putting the mixture into a drying oven, and reacting for a certain time; and S3, after the reaction is finished, cooling to room temperature, filtering a product, and respectively washing with deionized water, a reagent G and a reagent F to obtain the three-dimensional framework active inorganic antimony sulfide. Through solvothermal reaction, the organic amine structure guiding effect is combined with ultrasonic vibration, the accumulation mode of the anion layer is directly influenced, then layered or open-frame crystals are formed, finally, a three-dimensional metal frame structure is formed, and the iodine adsorption saturation capacity is high.

The invention relates to the field of inorganic materials, in particular to a preparation method and application of antimony trioxide, an emulsifier, a water phase and mineral oil are mixed to obtain W / O emulsion, after the W / O emulsion is irradiated by ultraviolet light, an alcohol phase containing an organic antimony precursor is added, after stirring reaction, standing, centrifugation, sediment collection, washing and calcination are performed, and the antimony trioxide is obtained. The antimony trioxide prepared by the method provided by the invention has a special hollow porous microstructure structure, and is a very potential pseudocapacitor electrode material.

The invention discloses a method for comprehensively recycling high and low boiling residues and waste acid in the production process of high-purity antimony, and relates to the field of non-ferrous metal metallurgy. The method comprises the following steps: mixing high and low boiling residues produced in the preparation process of high-purity antimony with waste acid produced by cleaning equipment, spraying the mixed solution into a roasting tower through compressed air for roasting, and enabling roasted flue gas to sequentially pass through a settling chamber, a bag collector and a two-stage water spraying absorption tower to respectively produce antimony white and hydrochloric acid, the produced antimony white can be directly sold or used as an antimony smelting raw material, and the byproduct hydrochloric acid can be used as an acid for wet smelting or can be further concentrated into 35-38% concentrated hydrochloric acid. The method can realize gradient recycling of antimony and chlorine elements in the high and low boiling residues and the waste acid, has the characteristics of high resource utilization level and no generation of a large amount of wastewater, and has good economic value and environmental protection benefit.

To provide metal oxide fine particles capable of forming a metal oxide film having excellent heat shielding properties and visible light transmittance, and a metal oxide fine particle dispersion.SOLUTION: In a transmission spectrum measured when a dispersion liquid dispersed at a concentration of 0.7 mass% in a dispersion medium is placed in a 1 mm cell, a slope k1 obtained by linear approximation using the least squares method in a wavelength range from 290 nm to 330 nm is within a range of 0.90 or more and 1.60 or less. In a transmission spectrum measured when a dispersion liquid dispersed at a concentration of 0.7 mass% in a dispersion medium is placed in a 1 mm cell, a slope k2 obtained by linear approximation using the least squares method in a wavelength range from 310 nm to 330 nm is within a range of 0.95 or more and 2.30 or less.SELECTED DRAWING: None

To provide a lithium compound for a solid electrolyte that excels in ion conductivity, charging / discharging stability and thermodynamic stability.SOLUTION: A solid ion conductor comprises a compound crystal whose formula consists of at least one selected from the group consisting of Na5-2xAl1-xVxS4, Na5-2xAl1-xTaxS4 and Na5-2xIn1-xSbxS4, 0.375≤x≤0.625.SELECTED DRAWING: Figure 1

The application provides an N-type thermoelectric material formed based on TiNiSb and Fe element, and the chemical formula is TiNiFe x Sb, and the value range of x in the chemical formula is 0.4<=x<=0.5. The application provides a preparation method of TiNiFe x Sb material, so that the prepared sample has good stability. TiNiFe x Sb is a non-toxic and environment-friendly material, and the raw material cost is low. Compared with a TiNiSb matrix, the thermal conductivity is significantly reduced, and the electrical performance is obviously improved, so the sample has excellent thermoelectric performance in the whole temperature range. Since the sample is an alloy sample, a stable preparation scheme is the key of the application. Therefore, a method combining high-energy ball milling and high-temperature annealing is adopted. The final test of the sample of the application includes judging whether the sample is a pure phase without impurities by using XRD, testing the electrical conductivity and the Seebeck coefficient by using ZEM, testing the thermal conductivity by using LFA-457, and finally obtaining the thermoelectric performance of the sample.

What is provided are a proton-conducting solid electrolyte which can exhibit high proton conductivity and stability in a low-temperature range and a medium-temperature range, an electrolyte layer formed of the proton-conducting solid electrolyte, and a battery. As an example, a proton-conducting solid electrolyte represented by a general formula: Ba1-αSc1-xMoxO3-δHy, in which α is −0.2 to 0.2, x is 0.1 to 0.3, y is 0 to 1-3x, and δ is 0 to ½-3x / 2, a proton-conducting solid electrolyte represented by a general formula: BaSc1-xMoxO3-δHy, in which x is 0.15 to 0.25, y is 0 to 1-3x, and δ is 0 to ½-3x / 2, or the like; an electrolyte layer, and a battery are provided.

The invention provides a solid-state electrolyte, a solid-state battery and a preparation method of the solid-state electrolyte, and belongs to the technical field of secondary batteries, the solid-state electrolyte comprises Li < 4 + / -x-y > Ay (M1aM2bM3c) S < 4-delta > X delta, 0 < = x < = 1.5, 0 < = y < = 1.5, and y < = 4 + / -x; 0.4 < = a < = 0.8, 0.1 < = b < = 0.4, 0.1 < = c < = 0.3, a + b + c = 1, and 0 < = delta < = 1; a comprises at least one of Na and K; m1 comprises at least one of Ge, Sn, Si, P, As and B; m2 comprises at least one of Sb, Nb, Ta, V, Mo, W, Ti, Zr, Hf and Re; m3 comprises at least one of Al, Ga, In, Bi, Pb, Mg, Ca, Zn, Cd, Y, Sc, La, Ba, Sr, Ce and Sm; and X comprises at least one of O, Se and Te. The solid electrolyte has good glassy state forming ability, thermal stability and mechanical structure stability, can maintain self structure and performance stability in processing and using processes, and ensures long-term stable exertion of battery cycle and rate performance.

The present invention relates to a filler and to the use thereof in obtaining compounds of at least a fluoropolymer and / or the PEEK polymer (polyether ether ketone). The present invention further relates to a composition comprising said filler and at least one fluoropolymer and / or the PEEK polymer. The present invention further relates to a semi-finished or finished product consisting at least in part of the composition comprising said filler and at least one fluoropolymer and / or the PEEK polymer.

The utility model is applicable to the field of metal metallurgy, and provides oxidation-strengthened sodium pyroantimonate wet smelting equipment, which comprises a bottom frame, a reaction box and a top cover, the upper end of the bottom frame is fixedly connected with the reaction box, the upper end of the reaction box is hinged with the top cover, the top cover is provided with a liquid inlet pipe, the liquid inlet pipe is used for injecting an oxidizing agent into the reaction box, and the liquid inlet pipe is connected with the reaction box. A dispersing assembly is arranged in the reaction box in a matched mode, the dispersing assembly is used for dispersing an oxidizing agent injected from the liquid inlet pipe, stirring equipment is arranged at the bottom end in the reaction box in a matched mode, the outer wall of the reaction box is wrapped with a waterproof shell, and a cavity between the reaction box and the waterproof shell is filled with a cooling agent; a temperature control assembly is connected to the waterproof shell in a matched mode and used for controlling the temperature of a cooling agent in the waterproof shell. The reaction kettle has the advantages that an oxidizing agent and raw materials are quickly and uniformly mixed, the reaction efficiency is improved, and the temperature of reactants is effectively controlled.

The invention discloses a preparation method of an antimony trioxide composite flame retardant, which is specifically implemented according to the following steps: pretreating a catalytic cracking poising agent to obtain a poising agent solution, and adding antimony trichloride into hydrochloric acid; dropwise adding an antimony trichloride solution into the poising agent solution, and stirring for 3-5 hours to obtain a first mixed solution; standing to enable precipitates in the first mixed solution to settle to the bottom, clarifying supernatant liquid, then pouring out the supernatant liquid, and filtering bottom turbid liquid to obtain a first filter cake; adding water into the first filter cake, dispersing to obtain a first turbid solution, adding an alkaline solution into the first turbid solution, neutralizing to obtain a second turbid solution, filtering the second turbid solution to obtain a second filter cake, washing the second filter cake, and drying to obtain the antimony trioxide composite flame retardant. The preparation method of the antimony trioxide composite flame retardant is simple in process, low in raw material cost, high in additional value and environmentally friendly.

To provide a method for producing quantum dots having a small variation in particle size.SOLUTION: A method for producing quantum dots, the method comprising: mixing a first precursor solution containing an indium halide with a second precursor solution containing an antimony halide and an ether compound to prepare a mixed solution; and adding a reducing agent to the mixed solution to react the indium halide with the antimony halide in the presence of the reducing agent.SELECTED DRAWING: None

This invention relates to the field of inorganic materials, specifically to a method for preparing low-lead antimony trioxide. The method involves crushing antimony ingots, first melting and oxidizing them, then distilling to remove impurities to obtain a refined product. The refined product, organic acid, and polyol are mixed, heated, and reacted, followed by filtration to remove insoluble matter, yielding an antimony complex solution. A long-chain organic amine is dissolved in a mixed solvent of anhydrous ethanol and deionized water to obtain a long-chain organic amine solution. The antimony complex solution is added to the long-chain organic amine solution, and the pH is adjusted to 6-7. The reaction solution is transferred to a hydrothermal reactor, sealed, and subjected to hydrothermal reaction. The precipitate is collected, washed, and dried. The resulting nanosheet-like clustered antimony trioxide exhibits high purity, low impurity content, extremely high specific surface area, abundant active sites, high energy density, and good cycle performance, making it a highly promising pseudocapacitor electrode material.

The application discloses a kind of Ni doped nano SnO2 semiconductor HCHO sensing materials and preparation method and application thereof, and the preparation method of sensing material includes the following steps: step one, Sn salt-Ni salt solution is configured;Step two, using supercritical hydrothermal synthesis (CSHS) reaction device, Sn salt-Ni salt solution is contacted with supercritical water and crystallization is generated nano doped oxide, and reaction liquid is discharged and collected after cooling, and the crystalline material is separated, i.e. the Ni doped nano SnO2 semiconductor HCHO sensing material of the application.The Ni doped nano SnO2 semiconductor HCHO sensing material prepared by the method of the application has good structural consistency and excellent sensing performance.

A method of manufacturing a solid electrolyte layer using spark plasma sintering and a solid electrolyte layer manufactured thereby, wherein an amorphous solid electrolyte is crystallized using spark plasma sintering. Accordingly, a solid electrolyte layer with high density and excellent lithium ion conductivity can be produced at a relatively low pressure only by rapid sintering.

The invention relates to an intermediate band semiconductor material and a preparation method thereof.The chemical formula of the intermediate band semiconductor material is Sr4In2Sb2O5Q5, Q is S or Se, the intermediate band semiconductor material is prepared from reaction raw materials containing the Sr element, the In element, the Sb element, the Q element and the O element through a high-temperature solid-phase reaction method, and the intermediate band semiconductor material has the characteristics of multi-band absorption and large photo-generated current; and the material has relatively high photoelectric response characteristic and excellent photoelectric property.

The invention provides a novel oxysulfide and a light absorption property regulation and control method thereof, the chemical formula of the novel oxysulfide is SrGaSbO3S, the novel oxysulfide belongs to an orthorhombic system Pnma, has a two-dimensional layered structure, and is formed by alternately stacking [GaSbO3S] < 2-> and interlayer Sr < 2 + > ions. The material is placed in molten alkali metal halide for annealing treatment, and an amorphous layer is formed on the surface due to ion topology corrosion, so that the optical band gap of the material is obviously narrowed and is reduced to 1.69 eV from 2.11 eV, and the color is changed into orange from light yellow. The oxysulfide and the band gap regulation and control method thereof have important significance in application in the fields of photocatalysis, photoelectric conversion and the like.

The invention discloses a method and a device for directly preparing a thermoelectric material by using natural ore, and belongs to the technical field of thermoelectric materials. The method comprises the following steps: in a vacuum or inert atmosphere, heating a quartz tube filled with natural mixed ore to a preset temperature which is higher than the melting point of the thermoelectric component but lower than the melting point or decomposition temperature of the insulation associated ore; molten thermoelectric components flow through the necking structure under the action of gravity and are collected at the bottom of the quartz tube, and the insulating associated ore which is kept in a solid state is physically blocked by the necking structure and is retained at the upper part. And finally cooling to obtain a thermoelectric material cast ingot with pure components and compact tissues. According to the method, purification and densification forming of natural ore are completed through a one-step method by means of the difference of mineral melting points and ingenious physical structure design, the process is simple and convenient, cost is low, and the high-performance block thermoelectric material can be directly obtained.

This invention relates to the compounds barium lanthanum sulfide and barium lanthanum sulfide, as well as their preparation methods and applications in the mid-to-far-infrared birefringent optical crystals. It aims to address the problem of low birefringence in existing mid-to-far-infrared crystals. The chemical formula of the barium lanthanum sulfide of this invention is Ba₂La₂Sb₄S₂. 10 (S2), with a molecular weight of 1424.22, crystallizes in a monoclinic system with space group P21 / c and cell parameters a=8.6373(5), b=14.7336(9), c=15.9161(9), α=γ=90°, β=92.661(2)°. The compound or polycrystalline material is prepared using a high-temperature solution or solid-state method; a single crystal is grown from the polycrystalline material, exhibiting a birefringence of 0.53 at 1064 nm and a large birefringence in the range of 1~14 μm, and is used in optical isolators, circulators, beam shifters, optical polarizers, or optical modulators.

Described are a solid material which has ionic conductivity for lithium ions, a process for preparing said solid material, a use of said solid material as a solid electrolyte for an electrochemical cell, a solid structure selected from the group consisting of a cathode, an anode and a separator for an electrochemical cell comprising the solid material, and an electrochemical cell comprising such solid structure.

The invention discloses a method for preparing a two-dimensional low-symmetry multi-element material [Bi2CuO3] SO4, which comprises the following steps: selecting Bi2O3, Bi2S3 and Cu2S solid powder as precursors, and reacting in a mixed atmosphere of argon and air; putting Bi2S3 into a porcelain boat, putting the porcelain boat in a low-temperature area, putting the other two precursors into the porcelain boat, putting the porcelain boat in a high-temperature area, taking freshly stripped mica as a growth substrate, and putting the growth substrate on the powder in the high-temperature area; the material is prepared by adopting three stages, namely a heating stage, a growth stage and a cooling stage. According to the method, the precursor which is spontaneously carried out according to thermodynamics is selected as a reactant, the problem that the uniformity of components is difficult to control is solved, meanwhile, the preparation process is divided into three stages, the transportation process is accurately controlled by regulating and controlling the gas flow of different stages, and the product quality is improved. And the problems of imperfect precursor design and conveying mechanism and insufficient surface quality and phase purity control are solved.

The present invention relates to a method for the production of InSb colloidal quantum dots comprising the steps of: a) providing a reaction solution comprising a solvent and a single-source precursor; and b) heating the reaction solution to a reaction temperature for a reaction period such that the single-source precursor thermally decomposes to form InSb colloidal quantum dots, wherein the single-source precursor is selected from InSb adducts, InSb oligomers, and combinations thereof.