593 results about "Tin oxide" patented technology

The invention discloses high-strength high-temperature-resistant fireproof industrial glass and a preparation method thereof, and relates to the technical field of glass manufacturing. The industrial glass is prepared from the following raw materials: silicon dioxide, boric oxide, aluminum oxide, sodium oxide, potassium oxide, niobium phosphate, a composite reinforcing component and a clarifying agent, the composite reinforcing component is prepared from hafnium oxide, gadolinium oxide and zinc oxide; the clarifying agent is obtained by mixing cerium dioxide and tin oxide. The preparation method of the industrial glass comprises the following steps: preparing functional components, melting glass, forming a glass substrate, and preparing the industrial glass. The prepared industrial glass is high in strength, good in high-temperature stability and excellent in fireproof performance.

A solar cell and a preparation method thereof belong to the field of photovoltaic technology, the solar cell at least comprises a substrate, a tunneling oxide layer, a tin oxide layer and a doped polycrystalline silicon layer, along the thickness direction of the substrate, the tunneling oxide layer is arranged on the surface of the substrate, the tin oxide layer is arranged on the surface of the tunneling oxide layer, and the doped polycrystalline silicon layer is arranged on the surface of the substrate. The doped polycrystalline silicon layer is arranged on the surface of the tin oxide layer, so that the tin oxide layer is located between the tunneling oxide layer and the doped polycrystalline silicon layer. The phosphorus doping concentration alpha of the tunneling oxide layer satisfies 1 * 10 < 13 > cm <-3 > < = alpha < = 1 * 10 < 16 > cm <-3 >, the phosphorus doping concentration beta of the tin oxide layer satisfies 1 * 10 < 15 > cm <-3 > < = beta < = 1 * 10 < 20 > cm <-3 >, and the phosphorus doping concentration gamma of the doped polycrystalline silicon layer satisfies 1 * 10 < 19 > cm <-3 > < = gamma < = 1 * 10 < 21 > cm <-3 >. The tin oxide layer is arranged between the tunneling oxide layer and the doped polycrystalline silicon layer, the tin oxide layer has excellent conductivity and light transmission, parasitic absorption is reduced, more light is absorbed by the substrate, and the photoelectric conversion efficiency of the solar cell is improved.

The present invention discloses a novel gas-sensitive material, specifically a method for preparing a core-shell nanofiber gas-sensitive material based on a platinum-doped cobalt oxide / tin oxide heterostructure. The present invention utilizes a cobalt source, a tin source, a platinum source, and a polymer as raw materials, and produces a nanoscale platinum-doped cobalt oxide / tin oxide gas-sensitive material with high sensitivity and rapid response to hydrogen sulfide gas via coaxial electrospinning. This gas-sensitive material exhibits excellent gas-sensing properties for H2S gas at room temperature, with a short response time, enabling rapid detection of low-concentration H2S gas, a short recovery time, and excellent cyclic stability. Therefore, the gas-sensitive material of the present invention possesses excellent sensitivity and stability, and has broad application prospects, including applications in environmental monitoring, industrial safety, and gas sensors.

The embodiment of the invention provides a connecting layer, a composite layer, a solar cell and a laminated cell. The connecting layer comprises a first transparent conductive layer and a hole transport layer which are stacked; and the hole transport layer is an alloy film containing Ga, Al, In, Sn, O and N elements. Component regulation and control are carried out on the hole transport layer, P-type doping is realized by utilizing a co-doping strategy, the hole concentration of a traditional tin oxide material layer is improved, long wavelength absorption is not remarkably increased, and in addition, multi-component doping can also avoid that a single component is easy to separate out and split phases.

The invention provides a surface modified carbon negative electrode material, a preparation method thereof and a battery. The preparation method comprises the following steps: mixing a graphite carbon source and a pore-forming agent, and graphitizing the obtained mixture to form porous graphite; performing oxidation treatment on the porous graphite to prepare porous graphite oxide particles; the porous graphite oxide particles are placed in a tin source solution containing tin cations, the tin source solution is attached to the surfaces of holes of the porous graphite oxide particles, and tin oxide attached to the surfaces of the holes of the porous graphite oxide particles is formed based on the tin source solution; and the porous graphite oxide particles are placed in a carbon-containing reducing gas environment to be subjected to calcination treatment, and the carbon-coated tin nanowires are prepared on the basis of the tin oxide. According to the preparation method, the surface and holes of the carbon negative electrode material are modified by adopting the carbon-coated tin nanowires, so that the discharge performance of the battery at relatively high rate can be effectively improved.

The invention discloses an infrared barrier PVB (polyvinyl butyral) intermediate film and a preparation method, and relates to the technical field of environmental functional glass materials, the intermediate film comprises 60-75 parts of polyvinyl butyral resin, 25-35 parts of a plasticizer, 0.5-3 parts of nano tin antimony oxide, 0.1-0.5 part of an ultraviolet absorbent, 0.05-0.2 part of an antioxidant and 0.1-0.5 part of a dispersant, the preparation method comprises the steps of nano infrared blocking agent pre-dispersion, mixing, twin-screw extrusion molding, tape casting cooling, surface treatment and the like, the surface-modified nano tin antimony oxide is introduced as the infrared blocking agent, infrared radiation at the wave band of 780-1300 nm is effectively blocked, the infrared blocking rate reaches 85% or above, the visible light transmittance is larger than 80%, the technology is mature and stable, the cost is low, and the preparation method is suitable for industrial production. The prepared intermediate film can be applied to building and automobile laminated glass, and the heat insulation and energy saving effects are achieved.

The invention discloses a gallium-cerium co-doped ITO target material and a preparation method thereof, and belongs to the field of transparent conductive oxide ceramic target materials, and the preparation method comprises the following steps: weighing indium oxide powder raw materials, tin oxide powder raw materials, gallium oxide powder raw materials and cerium oxide powder raw materials in proportion, and performing pretreatment; the raw material powder is subjected to independent ball milling till the raw materials reach the preset particle size; mixing the four kinds of slurry, and continuously performing ball milling to obtain uniform mixed slurry; adding a binder into the mixed slurry, and carrying out ball milling and mixing to form stable formed slurry; carrying out spray granulation on the formed slurry to obtain spherical precursor powder; pressing and forming the precursor powder to obtain a biscuit, then putting the biscuit into a sintering furnace, carrying out stepped sintering in an oxygen atmosphere, and naturally cooling to obtain the gallium-cerium co-doped ITO target material. According to the gallium-cerium co-doped ITO target material prepared by the method, the relative density is greater than or equal to 99.4%, the resistivity is less than or equal to 99.4%, and the three-point bending strength is greater than or equal to 230MPa.

The invention provides a high-stability electron transport layer and a perovskite solar cell. A preparation method of the electron transport layer comprises the following steps: evaporating a layer of fullerene (C60) on a substrate on which a hole transport layer and a perovskite thin film layer are prepared; a layer of graphite-like phase carbon nitride (g-C3N4) is spin-coated on the C60; and finally, depositing a layer of tin oxide (ALD-SnO2) by utilizing atomic layer deposition. The g-C3N4 has good electrical conductivity, not only can fill some gaps between C60 and ALD-SnO2, but also can interact with C60 and ALD-SnO2, so that the C60 and ALD-SnO2 are attached more tightly, and the interface stability is improved. The prepared high-stability electron transport layer is applied to a perovskite solar cell device, and the stability of a perovskite solar cell is remarkably improved.

The present application relates to the technical field of photovoltaic cells, and discloses a multi-element doped tin oxide-based target material, a preparation method therefor, and a use thereof. The described tin oxide-based target material comprises the following components by mass proportion: tin oxide, 95%-98%; zinc oxide, 1%-3%; antimony oxide, 0.5%-1%; cerium oxide, 0.5%-1%. In the tin oxide-based target material of the present application, the zinc oxide doping can promote sintering of the tin oxide-based target material; the cerium oxide doping promotes the growth of tin oxide lattices, and also generates a large number of electrons, which greatly increases the conductivity of a sintered body; the antimony oxide doping provides a large number of free electrons, effectively reducing the resistivity of the tin oxide.

The invention relates to the field of conductive film material processing, and particularly discloses a preparation process of a high-transparency conductive film, which comprises the following steps: S1, mixing aluminum oxide and zinc oxide to obtain mixed powder, grinding, and sintering to obtain an AZO target material; antimony trioxide and tin oxide are mixed to obtain a mixture, and the mixture is sintered into an ATO target material after being subjected to spheroidal graphite treatment; s2, mixing an AZO target material and an ATO target material to obtain a composite material, stirring to obtain a mixed material, sputtering the mixed material on a substrate through magnetron sputtering, controlling the preheating temperature of the substrate at 55-65 DEG C, and coating to obtain a finished product, the transparent conductive film has the advantages of high transparency, good conductivity and good flexibility.

The invention discloses a negative electrode material for improving the cycle performance of a lithium battery, a preparation method of the negative electrode material, a negative electrode plate and a battery, and the preparation method comprises the following steps: S1, growing SnO2 on a carbon nanotube through a hydrothermal synthesis method to form a one-dimensional composite material SnO2 (at) CNT; s2, Zr ions and a silane coupling agent are introduced into the one-dimensional composite material SnO2 (at) CNT, and the modified SnO2 (at) CNT material is obtained. According to the invention, the cycle life of the lithium battery using the stannic oxide negative electrode material is prolonged through material composite modification.

The application discloses a kind of detection pesticide water amitraz integrated organic photoelectrochemical transistor sensor construction method.The application is integrated on the same fluorine-doped tin oxide conductive glass chip by laser etching technology to have the gate, source, drain three electrodes of organic photoelectrochemical transistor.In order to improve the activity and stability of grating material, the method of encapsulating Pd NPs in Cu-MOF and pyrolyzing is adopted, and Pd NPs / p-Cu-MOF is formed.Pyrolysis Cu-MOF with three-dimensional MOF structure as active carrier can load more Pd NPs, and the redox active copper metal elements contained therein will cause electron transfer between carrier and Pd NPs, so as to adjust the electronic state of metal active site and improve its catalytic performance.Schottky junction is formed between Pd NPs and p-Cu-MOF, which promotes the separation of electrons and holes.Pd NPs / p-Cu-MOF is used as photoactive gate material, and amino amitraz aptamer with carboxyl on the material is used as recognition element, so as to realize the OPECT sensing detection of ICP.

The present invention addresses the problem of providing a tandem solar battery (1) having a simple configuration and exceptional battery performance. A tandem solar battery (1) that solves the aforementioned problem includes a first solar battery cell (CB1) that includes a first light absorption layer (10) containing n-type or p-type crystal silicon, a titanium oxide layer (31) that is disposed on the first light absorption layer (10) and contains amorphous titanium oxide, an intermediate layer (32) that is disposed adjacent to the titanium oxide layer (31) and contains tin oxide or titanium nitride having a higher nitrogen composition than the titanium oxide layer (31), and a second solar battery cell (CT1) disposed on the intermediate layer (32).

The present application relates to the technical field of target material, in particular to a preparation method of high-density tin-zinc-zirconium oxide target material. The preparation method comprises the following steps: preparing tin oxide powder, zirconium oxide powder and zinc oxide powder into a mixed slurry, and then performing sand milling, granulation, molding, sintering to obtain the high-density tin-zinc-zirconium oxide target material, wherein the mass ratio of the tin oxide powder, the zirconium oxide powder and the zinc oxide powder is 100:0.1-0.5:9-11. The high-density tin-zinc-zirconium oxide target material prepared by the preparation method has high relative density and low resistivity, and the sputtered film thereof has high transmittance in the visible light range, can replace the traditional indium tin oxide target material, and can be widely applied in the fields of semiconductor integrated circuits, LEDs, displays, touch screens, solar photovoltaics and chemical industry.

Methods and apparatuses are provided for patterning semiconductor materials using tin-based materials as mandrel, hard mask, and liner materials. One or more implementations of the present disclosure use tin oxide and / or tin carbide materials as hard mask, mandrel, and / or liner materials during various patterning applications. Tin oxide or tin carbide materials are easier to strip than other highly selective materials such as metal oxides (e.g., TiO2, ZrO2, HfO2, Al2O3), to avoid affecting critical dimensions and generating defects. Furthermore, tin oxide and tin carbide have low refractive indices (k-values) and are transparent below 663 nm for lithography overlays.

The invention relates to a preparation method of a degradable cellulose acetate-based nanofiber membrane with high-efficiency photocatalytic performance, which comprises the following steps: based on a green and environment-friendly concept, taking degradable cellulose acetate as a substrate, and adding zinc oxide / tin oxide heterojunction nanoparticles which are prepared by a one-step sintering method and have high-efficiency photocatalytic performance into the substrate; and the nanofiber membrane is prepared through electrostatic spinning. The nanofibers are uniform in thickness, and the surface roughness of the membrane is improved after the heterojunction nanoparticles are added, so that the hydrophilicity is improved. After oil-water separation, the problem of oil contamination blockage is effectively solved by utilizing the photocatalytic performance of the heterojunction nano-particles, and meanwhile, compared with a single-photocatalyst oil-water separation membrane, the recombination rate of photon-generated carriers is reduced through synthesis of the heterojunction nano-particles, and the photocatalytic performance is effectively improved. The prepared degradable cellulose acetate-based nanofiber membrane with the efficient photocatalytic performance has a good separation effect on various oil-in-water emulsions, and the rejection rate of the degradable cellulose acetate-based nanofiber membrane can reach 99% or above.

The invention relates to the technical field of titanium dioxide production, in particular to high-retention and high-weather-resistance titanium dioxide as well as a preparation method and application thereof. Comprising a titanium dioxide base material and a coating layer located on the surface of the titanium dioxide base material, and the coating layer sequentially comprises an aluminum oxide film layer, a tin oxide film layer and an ascorbyl palmitate film layer from inside to outside. The preparation method comprises the following steps: preparing titanium dioxide-based material slurry, sequentially carrying out aluminum oxide coating and tin oxide coating, then carrying out water washing, flash evaporation and steam powdering, and adding ascorbyl palmitate in the steam powdering process to obtain the high-retention and high-weather-resistance titanium dioxide. The tin coating layer and the ascorbyl palmitate coating layer are introduced to the outer side of the aluminum oxide coating layer, so that the retention rate and weather resistance of titanium dioxide in paper are remarkably improved, and the use requirements of high-end paper are met; the white water treatment pressure can be reduced, and the economic benefit is improved.

The application discloses a copper-tin oxide composite material and a preparation method thereof. The preparation method comprises the following steps: firstly, mixing spherical gas-atomized copper-tin alloy powder, ultrapure water and hydrogen peroxide solution, and placing the mixture in a high-temperature and high-pressure reaction kettle to perform supercritical water in-situ reaction to generate copper-tin oxide powder. After the reaction, the powder is treated by ultrasonic cleaning, water and ethanol cleaning and vacuum drying. Then, the copper oxide is reduced by using hydrogen gas in a tube furnace to obtain copper-tin oxide powder. After that, the copper powder and the copper-tin oxide powder are mixed in proportion, and stearic acid or anhydrous ethanol is added as a dispersant to perform ball milling, so as to obtain copper-tin oxide composite powder. Finally, the copper-tin oxide composite material is obtained by pressing and discharge plasma sintering technology. The copper-tin oxide composite powder is prepared by supercritical water in-situ oxidation, so that the process flow is simplified, the performance and conductivity of the composite material are improved, and the environmental protection requirement is met.

An example thin-film transistor includes a silicon-based substrate and a source and drain at the silicon-based substrate. The source and drain are spaced apart by a gap. The thin-film transistor further includes a nucleation layer in contact with at least the silicon-based substrate within the gap, and a body of channel material in contact with the nucleation layer. The channel material is nanocrystalline tin oxide (SnO2). The nucleation layer includes a nucleation element that may reduce thermally induced stress between the silicon-based substrate and the body of channel material. The nucleation element may also promote a preferred crystal orientation for the channel material.

A method for manufacturing a semiconductor structure includes: depositing atomic layers of tin monoxide along a vertical direction; patterning the atomic layers of tin monoxide into a channel unit; forming a first conducting oxide unit that is connected to the channel unit; forming a second conducting oxide unit that is connected to the channel unit and that is spaced apart from the first conducting oxide unit so as to permit charge carriers to be transmitted between the first conducting oxide unit and the second conducting oxide unit through the patterned atomic layers in the channel unit along the vertical direction; forming a gate dielectric over the channel unit, the first and second conducting oxide units; forming a metal gate over the gate dielectric; recessing the metal gate to expose the gate dielectric; and partially removing the gate dielectric to expose at least the first conducting oxide unit.

This invention discloses a high-voltage-gradient tin oxide varistor ceramic with adjustable nonlinear coefficients, its preparation method, and its applications, belonging to the field of functional ceramics and their preparation technology. This invention solves the problems of low voltage gradient, difficult-to-control nonlinear coefficients, and limited application in surge protection devices of existing SnO2-based ceramic materials. This invention employs multiple metal oxide composite doping and solid-state sintering to control the varistor performance of SnO2 ceramics through both doping and sintering processes.

The invention relates to the technical field of automobile glass surface treatment, in particular to heat management coated glass and a preparation method thereof, and the heat management coated glass is prepared by compounding two pieces of composite glass through an adhesive film; the composite glass sequentially comprises a glass substrate, an ultraviolet absorption functional layer and an infrared reflection functional layer, the preparation raw materials of the ultraviolet absorption functional layer at least comprise a SiO2 sol matrix and an inorganic ultraviolet absorbent; the preparation raw materials of the infrared reflection functional layer at least comprise tetraethoxysilane, acetylacetone, hydrochloric acid and antimony-doped tin oxide nanoparticles. The surface of the glass is coated with the optimized ultraviolet absorption functional layer and the infrared reflection functional layer, so that the barrier rate to ultraviolet (UV) of 99% or above and the reflectivity to infrared (IR) of 80-90% are achieved, and meanwhile, the glass has the characteristics of low cost and high weather resistance.

The invention belongs to the technical field of polymeric membrane composite glass, and discloses a preparation method and application of polymeric membrane composite glass, the polymeric membrane composite glass comprises a first glass layer, a second glass layer and an EVA composite membrane located between the two glass layers, the EVA composite membrane contains nano metal oxide particles, and the nano metal oxide particles contain nano metal oxide particles. The nano metal oxide particles comprise cerium oxide, tungsten oxide, titanium oxide and yttrium oxide. The middle layer of the EVA composite film of the polymeric film composite glass additionally comprises nano metal oxide particles, tungsten oxide absorbs near-infrared heat radiation, titanium oxide reflects infrared light, cerium oxide and yttrium oxide can absorb ultraviolet light, and the heat insulation performance is excellent; according to the present invention, with the nano-metal oxide particles, the tungsten oxide, the tin oxide and other nano-oxide particles, the elastic modulus, the density and the viscosity of the EVA are increased, the sound wave conduction path is effectively blocked, the sound insulation and noise reduction performance is excellent, the nano-metal oxide particles can improve the interface bonding strength of the EVA composite film and the glass layer, and the safety performance is high.

This invention relates to the field of optoelectronic materials and devices, and in particular to a method for preparing a cerium-doped tin oxide electron transport layer and its application in perovskite solar cells. The method involves depositing a cerium-doped tin oxide electron transport layer using a chemical bath under isothermal conditions, followed by annealing. Based on this transport layer, an organic-inorganic hybrid upright perovskite solar cell with high efficiency and UV resistance is fabricated. The cerium-doped tin oxide electron transport layer disclosed in this invention successfully incorporates cerium ions into the tin oxide lattice, solving not only the problems of excessive oxygen vacancies on the tin oxide surface and excessive defects at the perovskite interface, but also giving the electron transport layer excellent UV resistance.

The invention relates to a flame-retardant ceramic voltage-resistant silica gel composite material and a preparation method thereof, and the flame-retardant ceramic voltage-resistant silica gel composite material comprises the following components in parts by weight: polysiloxane; a flame retardant enhancing component; a modified pressure-resistant ceramic component; a wear-resistant reinforcing component; polytetrafluoroethylene resin; a lubricating rheological agent; the modified pressure-resistant ceramic component is obtained by pretreating tin oxide particles with a low-density high polymer material and ethyl acetate; and preferably, the tin oxide particles are selected from tin oxide particles with micron-sized particle sizes; the flame-retardant ceramic voltage-resistant silica gel composite material prepared according to the process disclosed by the invention has an improved voltage-resistant characteristic while maintaining good mechanical properties.

The invention discloses a preparation method of a tin oxide film, the tin oxide film, a solar cell and a photovoltaic module, the preparation method of the tin oxide film comprises the steps that an atomic layer deposition method is adopted, a tin source and an oxygen source are used as reactants, the tin oxide film is obtained through deposition on the surface of a substrate, the tin source comprises a compound shown in the formula I, in the compound shown in the formula I, n is any one of 1, 2, 3 or 4, and n is any one of 1, 2, 3 or 4; by adding the compound in the formula I into the tin source, the tin source and the oxygen source are more easily and uniformly adsorbed with each other, so that the atom defect of the tin oxide film is effectively reduced, and the structural uniformity of the tin oxide film is improved.

The invention relates to the technical field of electrochemical water treatment, in particular to a preparation method of a self-supporting antimony-doped tin dioxide nanoflower electrode, which comprises the following steps: dissolving trisodium citrate dehydrate and antimony trichloride in absolute ethyl alcohol; then adding water and stannous chloride dehydrate to form a precursor solution; heating the precursor solution, and naturally cooling; after cooling, carrying out solid-liquid separation on the bottom mud, and then cleaning and drying to obtain antimony-doped tin dioxide powder; taking antimony-doped tin dioxide powder, a pore-forming agent and a binder, grinding the materials until the materials are uniformly mixed, and transferring the materials into a tabletting mold for pressure casting to obtain a blank; and calcining the green body to obtain the product. Nano-flower-shaped antimony-doped tin dioxide powder is prepared, in the die casting and sintering process, due to the fact that nano-flower petals of the nano-flower-shaped antimony-doped tin dioxide powder are mutually staggered, a connection mode similar to a mortise and tenon joint mode is formed, and compared with nanospheres, the binding force between the powder is enhanced; and the mechanical strength, the electrochemical active area and the catalytic activity of the electrode are improved.

An electrode which includes nanoparticles of a carbon-doped tin oxide of formula C—SnO2-x where x=is from 0.001 to 0.1, having surface oxygen vacancies. The electrode includes a fluorine-doped tin oxide substrate. A film of the nanoparticles is present on at least one surface of the fluorine-doped tin oxide substrate. The surface oxygen vacancies correspond to an O 1s peak shift of 0.5-2 eV in the X-ray photoelectron spectroscopy (XPS) for C—SnO2-x compared to C—SnO2 without surface oxygen vacancies.

The application relates to a preparation method of a tin dioxide negative material, and belongs to the technical field of lithium battery negative material synthesis. The application aims at solving the problems of the existing SnO2 negative material, such as large volume effect in the charging and discharging process, easy falling off on the current collector, complex preparation process of the SnO2 negative material and high cost. The preparation method comprises the following steps: S1, preparing a micro-arc oxidation electrolyte; S2, placing a titanium foil and the micro-arc oxidation electrolyte in a micro-arc oxidation electrolytic tank, taking the titanium foil as a positive electrode and a stainless steel plate as a negative electrode; and S3, micro-arc oxidation. The application is used for the preparation of the tin dioxide negative material.

The invention relates to the technical field of high-voltage cables, in particular to a crosslinked polyethylene insulated high-voltage direct-current cable, which is characterized in that an insulating layer contains a crosslinked polyethylene base material, a composite modifier, an antioxidant compound system, a nano nucleating agent, a tracking-resistant agent, a compatilizer and a smoke suppressant, the composite modifier is prepared by compounding an ethylene-vinyl acetate copolymer and a methyl methacrylate-butadiene-styrene copolymer, the antioxidant is prepared by compounding hindered phenol and phosphite ester, the nano nucleating agent is prepared from silane coupling agent KH-550 modified talcum powder and calcium carbonate, the tracking-resistant agent is prepared from melamine cyanurate and stearic acid activated magnesium hydroxide, and the lubricant is prepared from a lubricant and a lubricant. The compatilizer is maleic anhydride grafted polyethylene, and the smoke suppressant is compounded by ammonium molybdate and tin oxide. The components synergistically improve the flexibility, aging resistance and dielectric property of the insulating layer, the tracking resistance and smoke suppression are balanced, and the preparation process solves the problem of additive agglomeration, accurately controls the crosslinking degree, reduces the internal stress and improves the performance uniformity.