80 results about "Selenium Sulfide" patented technology

The invention discloses a COF (covalent organic framework) coated separator as well as a preparation method and an application thereof. The method comprises the following steps: firstly, synthesizingTPB-DMTP-COF, then sufficiently mixing the TPB-DMTP-COF, conductive carbon black and a water-based binder in the mass ratio being 6:2:2, dropwise adding 2-3 ml of an n-propyl alcohol aqueous solutioncontaining n-propyl alcohol and water in a volume ratio being 3:1, uniformly mixing the substances, applying the obtained mixture to a ceramic separator, and drying the separator in a vacuum drying oven at 55 DEG C to obtain the TPB-DMTP-COF coated separator by baking. The separator can effectively inhibit a shuttle effect and be prevented from being pierced by lithium dendrites when applied to alithium-selenium sulfide battery, cyclic stability and specific capacity of the battery are improved, the capacity can still be kept at 690 mAh/g after 100 cycles under the current density of 0.5C (1C=1124 mAh/g), electrochemical performance of the battery is improved greatly, and the preparation method adopts a simple process and is high in applicability.

The invention belongs to the technical field of preparation of a transition metal selenium sulfide, and discloses a preparation method of nanometer Fe2SeS/C. The preparation method comprises the following steps of (1) sealing commercial Prussian blue with purity larger than 99%, selenium powder with purity larger than 99.9% and sulfur powder in a container filled with inertia atmosphere according to stoichiometric ratio; (2) sintering and cooling the container in the step (1) to a room temperature so as to obtain a product; and (3) rising a temperature of the obtained product to 700 DEG C under inertia protection atmosphere, and maintaining for 4 hours to obtain the nitrogen-doped and nanoscale Fe2SeS/C coated with a graphitized carbon layer. The invention also relates to a sodium ion battery employing the Fe2SeS/C prepared by the preparation method as a negative electrode material. The product is high in quality, available in raw material, simple in process and relatively low in equipment requirement; and moreover, the sodium ion battery shows stable sodium storage performance, excellent cycle stability and favorable rate performance.

The invention relates to a method for manufacturing a Cu2ZnSn(S, Se)4 solar battery absorbing layer through an oxide thin film in a vulcanizing and selenizing mode. The method includes the steps that copper salt, zinc salt, tin salt, at least one first solvent selected from ethyl alcohol, methyl alcohol, isopropyl alcohol and propionic acid and a second solvent including an ethylene glycol solvent and a propylene glycol solvent are weighed according to the stoichiometric ratio to be mixed and prepared into a clear polymeric precursor solution, wherein in the polymeric precursor solution, the concentration of copper is 0.83-83mmol/L, the concentration of zinc and the concentration of tin are 0.42-42mmol/L, and the volume ratio of the first solvent and the second solvent is 5:(0.1-10); the polymeric precursor solution is made to be a film on a substrate in a spin-coating mode through a spin-coating method, then heating at the temperature of 200-450 DEG C is carried out, so that the oxide thin film is formed, and the spin-coating step is repeated for 5-20 times; vulcanizing and selenizing annealing at the temperature of 450-580 DEG C is carried out on the oxide thin film under the environment of inert gas containing sulfur and selenium, so that the Cu2ZnSn(S, Se)4 solar battery absorbing layer is obtained.

The invention provides a carbon aerogel-loaded selenium composite material, which comprises carbon aerogel and active substances loaded in micropores of the carbon aerogel, wherein the active substances are selected from one or more of sulfur, selenium particles and selenium sulfide particles. According to the carbon aerogel-loaded selenium composite material, the adsorption property of the porousstructure of the carbon aerogel to limit the active substance particles in the porous structure of the carbon aerogel, thereby significantly reducing the shuttle effect of a polyselenide. Meanwhile,the method is easy and convenient to implement, easy to implement and has the feasibility of industrial production; and no impurities are generated in the composite material synthesis process, thus ensuring the comprehensive performance of the composite material.

The invention discloses a selenium sulfide ultrafine powder and a preparing method thereof, and belongs to the field of washing products. The selenium sulfide ultrafine powder and the preparing method solve the problem that the production time of selenium sulfide ultrafine powder which is prepared through medium ball milling micronization and serves as a lotion is long, and the quality problems that selenium sulfide is large in particle, uneven in dispersion and instable. The particle size of the selenium sulfide ultrafine powder is 1-50 microns. The method includes the following steps that 1, dry selenium sulfide powder, purified water, medicine-level titanium dioxide and medicine-level glycerin are mixed to be even, and then citric acid is added to adjust the pH value to range from 3.5 to 4.5; 2, the mixture is arranged in a grinding-type ultrafine grinder to be ground and smashed, and the selenium sulfide ultrafine powder is obtained. The selenium sulfide ultrafine powder can be applied to daily chemical products such as lotions, liquid shampoo and hair conditioners.

A method and a system for forming a copper indium gallium sulfur selenide (CIGSSe) absorption layer and a cadmium sulfide (CdS) buffer layer under non-vacuum condition is disclosed. A coating layer is formed on the back electrode layer on the substrate by mixing the slurry on the back electrode layer, and the coating layer formed on the back electrode layer is densified by a densification device after initially dried, and then a primary selenization/sulfurization reaction process is carried out to form a primary CIGSSe layer, and then a thermal process is carried out to improve the lattice match of the primary CIGSSe layer, and then an impurity cleaning process is carried out by using potassium cyanide or bromide to remove the impurities of cuprous selenide and copper sulfide, and then a rear-stage selenization/sulfurization reaction process is carried out to produce the required rear-stage CIGSSe absorption layer. Finally, a CdS buffer layer is formed on the CIGSSe absorption layer by a chemical bath deposition method.

The invention discloses a dianion cobalt-based selenium sulfide and a preparation method thereof. The chemical general formula of the dianion cobalt-based selenium sulfide is Co0.85Se1-xSx@rGO, and xis larger than 0 and smaller than or equal to 0.5. The preparation method comprises the following steps of: firstly, reacting cobalt salt with 2-methylimidazole to generate a precursor, then mixing the precursor with graphene oxide, attaching the precursor to the surface of the graphene oxide, and finally, adding a sulfur source and a selenium source for hydrothermal reaction, realizing synchronous combination of a sulfur source and a selenium source with cobalt in athe precursor to form Co0.85Se particles which are uniformly wound by reduced graphene oxide and are doped with bulk phase S andthus acquiring the dianion cobalt-based selenium sulfide. The battery negative electrode material prepared by using the dianion cobalt-based selenium sulfide has characteristics of good electrical conductivity and excellent cycle stability.

The invention discloses a selenium sulfide anti-dandruff hair conditioner and a preparation method thereof, and belongs to the field of hair conditioners. The selenium sulfide anti-dandruff hair conditioner and the preparation method thereof aim at solving the technical problems that an existing selenium sulfide lotion is strong in irritation and likely to make hair dry and rough and difficult to comb after being used. The selenium sulfide anti-dandruff hair conditioner is prepared from selenium sulfide composite ultra-fine powder, wool fat, cetanol, octadecanol, vaseline, chitosan, 10% formic acid, 0.5%-1.0% of N,N-dimethylododecylamine oxide, soluble essence and deionized water, wherein the particle size of the selenium sulfide composite ultra-fine powder ranges from 1 micrometer to 50 micrometers. The method includes the steps that firstly, an oil phase and a water phase are prepared; secondly, the oil phase and the water phase are subjected to homogeneous emulsification; thirdly, the selenium sulfide composite ultra-fine powder is added and continuously stirred for 20 min, and then the selenium sulfide anti-dandruff hair conditioner is obtained. The product is weak in irritation, uniform in dispersity and stable in performance and makes hair easy to comb, silky and glossy.

A composition for treating skin conditions includes sulfur combined with a carrier vehicle such as, VASELINE®, petroleum jelly, lard or the like. At least fifty % by weight of the sulfur is used in combination with the VASELINE®, petroleum jelly or lard to create an effective skin cream for curing skin conditions such as, tinea versicolor, sebhorrheic keratosis and other kinds of dermatitis. The skin cream generally requires one application, unless the condition is severe, thereby avoiding daily and multi-daily expensive regimens. Additional components such as pyrithione zinc, selenium sulfide and ketoconazole, in varying weight proportions, typically between 1% and 2.5%, and in various combinations of each, may also be combined with sulfur in the carrier vehicle to provide enhanced treatment of various skin conditions.

The invention relates to a production method of selenium sulfide. The method comprises the following steps: preparing 100-200g/L selenium dioxide solution through stirring, filtering, preparing 150-350g/L sodium sulfide solution, filtering, dropping sodium sulfide solution and glacial acetic acid at the same time in the selenium dioxide solution under stirring, stirring continuously to promote the reaction; placing the obtained solution in a centrifugal machine after the reaction for centrifugal separation, washing the obtained selenium sulfide product to be neutral; and drying to obtain the selenium sulfide product. The method in the invention has simple and practical technology, is easy to operate and can meet the requirements of environmental protection. In the operation, the dropping speed is required to be controlled when sodium sulfide and glacial acetic acid are dropped; hydrazine hydrate can be added in the residual solution with unreacted selenium dioxide after the centrifugal separation to reduce selenium dioxide and recycle selenium, thus the production cost can be effectively reduced and controlled and the method is environmentally friendly; and the reaction temperature is controlled in the reaction process, thus less acetic acid can be volatilized.

The invention discloses selenium disulfide shampoo and a method for improving the stability of the selenium disulfide shampoo. The selenium disulfide shampoo is prepared from the following components: 0.5 to 1.0 percent of selenium disulfide, 0.2 to 0.5 percent of panthenol, 0.2 to 0.5 percent of salicylic acid, 0.05 to 0.2 percent of ethylene diamine tetraacetic acid, 15 to 20 percent of surfactant, 1.0 to 5.0 percent of hair conditioner, 70 to 80 percent of solvent, 0.6 to 1 percent of preservative and 0.2 to 0.4 percent of pH regulator. According to the method for improving the stability of the selenium disulfide, stability tests prove that the stability of the selenium disulfide can be effectively improved, the problem of color change of the selenium disulfide at high temperature is solved, and the anti-dandruff effect of the shampoo prepared through the method is good through tests.

A method for emitting laser radiation includes: emitting first laser radiation using a first laser, wherein said first laser is a laser diode; receiving the first laser radiation by a second laser comprising CdSe_(1−x)S_x (cadmium selenium sulfide, cadmium selenium, or cadmium sulfide), wherein x is between 0 and 1, inclusively; and responsive to receiving the first laser radiation by the second laser, emitting second laser radiation by the second laser via the CdSe_(1−x)S_x; wherein the second laser radiation has a wavelength between 487 nm and 690 nm; and wherein the wavelength of the second laser radiation is responsive to the value of x, which represents the relative concentration of selenium and/or sulfur.

Provided, among other things, is a delivery module for a non-greasy, non-irritating selenium sulfide composition comprising: (A) an aerosol delivery device; (B) within the aerosol delivery device, the selenium sulfide composition comprising an effective amount of selenium sulfide that is 1% or more by weight of the composition, and a frothing agent, wherein the selenium sulfide composition has a viscosity low enough to support aerosol delivery and the selenium sulfide composition is effective to form a foam upon propellant-driven aerosol delivery; and (C) within the aerosol delivery device, a propellant.

The invention belongs to the field of daily chemicals, and relates to anti-dandruff shampoo. The anti-dandruff shampoo comprises the following components in percentage by mass: ethylenediamine tetraacetic acid, sodium alcohol ether sulphate, an artemisia apiacea leaf/stem extract, dichlorobenzene methanol, 1, 3-dimethylhydroxymethyl dimethyl hydantoin, phellinus igniarius, a pseudo-ginseng root extract, polyquaternium-47, a cnidium monnieri seed extract, a divaricate saposhnikovia root extract, a folium artemisiae argyi extract, an azadirachta indica extract, selenium sulfide and the balance of water. The shampoo disclosed by the invention is mild and low in stimulation, good in system stability, high in deposition rate, good in active ingredient permeation effects, high in absorption and utilization rate, capable of replenishing water and preserving moisture for a long time, relieving and calming, shrinking pores, removing oil and controlling oil, inhibiting excess oil secretion, maintaining scalp water-oil balance, resisting and inhibiting bacteria, removing dandruff, relieving itching and inhibiting lipid peroxidation of scalp, and effectively relieves the problems of scalp inflammation, dandruff, itching scalp and oil generation of scalp.

The invention provides the preparation method of the anti-dandruff shampoo, the shampoo prepared by the method has washing and caring functions, can endow hair with excellent wettability and combability and enables the hair to be glossy, smooth, moist and smooth, selenium sulfide is prepared by a one-step method, and the yield and efficiency of the shampoo are far higher than those of like products.

The invention provides a luminous device and an electronic device using thesame. The luminous device comprises a luminous crystal grain with a luminous wave band range of 460 nm to 650 nm and a fluorescent powder body, wherein the fluorescent powder body can be excited by light emitted by the luminous crystal grain to emit infrared light with a luminous wave band range of 700 nm to 1200 nm; and the fluorescent powder body is selected from metal copper doped cadmium sulfide, metal copper doped selenium sulfide, metal copper doped cadmium telluride and any combination thereof. The luminous device can effectively emit infrared light with high luminous intensity.

The invention discloses moisture preserving and scurf removing shampoo liquid which is prepared from the following components in parts by weight: 6-10 parts of flexible abstergent core master batch, 0.4-0.8 parts of pearl concentrate, 80-90 parts of water, 3-4 parts of salt, 0.1-0.2 parts of preservative, 0.04-0.08 parts of essence, 0.001-0.002 parts of pigment, 0.2-0.4 parts of wiredrawing powders, 0.5-1 part of selenium sulfide, 0.4-0.6 parts of ketoconazole and 0.8-1.2 parts of field mint. The moisture preserving and scurf removing shampoo liquid disclosed by the invention not only inherits the strong scurf removing effect of the conventional scurf removing shampoo liquid on the market, but also plays the roles of preserving moisture and humidifying hairs, and expands the effect of the scuff removing shampoo liquid.

The invention provides a FeS<2-x>Sex solid solution positive electrode material and a preparation method thereof. The preparation method comprises the following steps: dissolving ferric salt and PAN in an organic solvent and performing continuous stirring to form a uniform spinning solution; spinning the spinning solution into nanofibers distributed with iron precursors by utilizing electrostaticspinning, and then performing carbonizing under the condition of 800-1,200 DEG C; uniformly mixing S powder and Se powder, and carrying out sulfuration selenylation on the S powder and Se powder mixture and the carbonized nano-fibers to obtain the selenium-doped carbon nano-fibers. The positive electrode material can effectively solve the problem of poor cycling stability of an existing FeS2 positive electrode material.

The invention relates to a solar sand-in-water, which comprises a protective adhesive, a tinting base paint and a continuous phase that are mixed in equal proportion. Specifically, the continuous phase comprises 1-5 parts of nano titanium dioxide and 1-5 parts of selenium sulfide or cadmium sulfide by mass. According to the solar sand-in-water provided by the invention, nano titanium dioxide can convert light energy into electric energy, so that the solar sand-in-water coated on the outer wall of a building can convert solar energy into electric energy, effectively utilizes the solar energy and realizes the new function of paint, and the solar sand-in-water provided by the invention has the advantages of high heat absorption efficiency and low light reflection efficiency.

A method for the treatment of Rosacea and skin erythema using selenium sulfide as an active ingredient in a topically applied administration to a user's skin.

Topically applicable cosmetic/dermatological compositions useful for treating dandruff and/or squamae of the human scalp contain at least one anti-fungal agent selected from the group consisting of pyridinethione salts, 1-hydroxy-2-pyrrolidone compounds, 2,2′-dithiobis(pyridine N-oxide) and selenium sulfides, and mixtures thereof, and at least one wholly hydrophilic block copolymer which comprises at least one polyionic block, formulated into a topically applicable, physiologically acceptable medium therefor.

The present invention provides a novel photoelectric detector based on copper indium gallium selenium and copper indium gallium sulfide. According to the composite functional layer, a contact part ofthe copper indium gallium selenium and the copper indium gallium sulfide is changed into copper indium gallium selenium sulfide, a composition is gradually changed in a transverse direction, the functional layer is modified, the electrical performance is adjusted to meet requirements of the photoelectric detector, the sensitivity of the detector is further improved, and the stability of the sensoris greatly improved.