25 results about "Nanoparticle deposition" patented technology

A system for the synthesis of a cost-effective photocatalyst based on the FeOOH / CuBi2O4 heterostructure, consisting of: a) a CuBi2O4 synthesis plant for the production of CuBi2O4 (CBO) microspheres from Bi(NO3)3·6H2O and Cu(NO3)2.3H2O precursors; b) a heterostructure formation unit is configured to deposit FeOOH nanoparticles onto an outer surface of the CBO microspheres to form an FeOOH / CBO heterostructure; and c) a processing unit configured to wash and dry the FeOOH / CBO heterostructure to obtain the photocatalyst.

The invention provides a spherical silicon-based composite material and a preparation method thereof, a negative electrode and a battery, and relates to the technical field of silicon-based composite materials, the spherical silicon-based composite material comprises phenolic resin microspheres, a conductive agent and silicon nanoparticles, the phenolic resin microspheres are doped with the conductive agent to form a matrix of the spherical silicon-based composite material, and the silicon nanoparticles are doped with the conductive agent to form the spherical silicon-based composite material. The phenolic resin microspheres are of a regular spherical structure, grooves or protrusions or the combination of the grooves and the protrusions are arranged on the outer surfaces of the phenolic resin microspheres, the conductive agent is evenly dispersed in the phenolic resin microspheres, and part of the conductive agent is dispersed on the outer surfaces of the phenolic resin microspheres. The matrix is activated to form porous carbon microspheres with discontinuous porous channels or pores, and the silicon nanoparticles are deposited in the porous channels or pores. The problems that the ion conduction rate of the spherical silicon-based composite material is reduced and the conductivity is reduced can be solved, so that the first efficiency and the cycle stability of the spherical silicon-based composite material are improved.

The invention discloses a method for preparing a water inlet separation net loaded with copper oxide nanoparticles and having a self-cleaning function, and particularly relates to a method for preparing the water inlet separation net with the self-cleaning function by constructing a dopamine coating on a polypropylene separation net and then loading the copper oxide nanoparticles. The preparation method comprises the following steps: introducing a dopamine solution to the surface of a polypropylene separation net to form a polydopamine coating, chelating Cu by using surface functional groups of the polydopamine coating, then forming Cu (OH) in an alkaline environment, and further converting the Cu (OH) into CuO nano-particles to be deposited on the surface of the separation net; the finally prepared functional separation net is stable in structure, has self-cleaning capability, and can effectively slow down pollution in roll-type reverse osmosis and nanofiltration membrane elements.

To provide an optoelectronic device having a nanoparticle deposition layer.SOLUTION: The layered semiconductor device includes at least one grain structure disposed on an underlying layer comprising a grain material in contact with a contact material selected from a seed material, a co-deposited dielectric material, and / or at least one patterning material. A method for controllably selecting formation of at least one grain structure on an underlying layer during fabrication of a device includes depositing at least one layer comprising the underlying layer and exposing a surface thereof to a flux of grain material that contacts a contact material and coalesces to dispose the at least one grain structure on the underlying layer.SELECTED DRAWING: Figure 1

The invention relates to the technical field of carbon fiber surface modification, in particular to modified carbon fiber, a modified carbon fiber reinforced composite material and a preparation method of the modified carbon fiber reinforced composite material. The carbon fibers are subjected to dual composite modification through magnetic field-assisted electrophoretic deposition and ultrasonic-assisted impregnation, so that the surface performance of the carbon fibers is improved, and rich functional groups are introduced; meanwhile, a magnetic field assisted electrophoretic deposition method is adopted, a uniform electric field is formed, and the deposition efficiency and uniformity of electrophoretic deposition are improved; an ultrasonic-assisted impregnation process is adopted, so that aramid nanofibers, MXene, graphene oxide, carbon nanotubes or chitosan are prevented from being agglomerated on carbon fibers, and nanoparticles are more uniformly deposited. The interface bonding force between the carbon fibers and the thermoplastic resin is improved through the uniformly deposited modified substances and dual modification synergism, and the interlayer shear strength of the composite material is improved.

Systems and methods are provided to accurately model nanoparticle deposition in human or animal vasculature while reducing computational costs though a number of specific algorithmic improvements. These methods can be used to virtually evaluate the effects of variations in the nanoparticle configuration (e.g., size, geometry, binding target and / or affinity) and / or timing of delivery (e.g., relative to a patient's circadian rhythm), allowing those properties to be improved in order to increase the nanoparticle dose delivered to an anatomical target and / or to reduce side effects by reducing the total nanoparticle dose used to obtain a specified therapeutically effective level of deposition at the anatomical target. The accuracy and reduced computational cost of these methods allows the simulation to be re-run based on individual patients' data (e.g., MRI or otherwise-obtained maps of vascular geometry), allowing the nanoparticle configuration and / or dosing to be adapted on a per-patient basis.

The application discloses a kind of implant piezoelectric nano coating and its preparation method and application.The nano coating is composed of nano-flower-shaped barium titanate and gold nanoparticles loaded on its surface.In this application, gold nanoparticles are deposited on nano-barium titanate at high temperature by using the method of sodium citrate reducing tetrachloroauric acid. The nBTO@Au prepared by this method has obvious osteogenesis and antibacterial properties. The application provides a high reactivity, catalytic and non-invasive immediate treatment mode for peri-implantitis, which has wide application potential in implant post-disinfection, peri-implantitis treatment and improving implant survival rate.

The application discloses a kind of touch screen cover plate multicolor connection printing processes, comprising the following steps: using design software design the pattern of touch screen cover plate, prepare suitable substrate, prepare nanoparticle deposition ink, print the conductive pattern of bottom layer on substrate surface, accurate alignment is carried out to the conductive pattern of bottom layer of inkjet printing, the printed conductive pattern of bottom layer is heat treated, color pattern is printed on the conductive pattern of bottom layer, thin layer of conductive is deposited on the color pattern of jet printing, heat treatment and solidification.The application adopts nanoparticle deposition technology and inkjet printing technology, can realize higher resolution, richer color selection and more delicate pattern performance, the conductive coating prepared by nanoparticle deposition technology has good adhesion and durability, because nanoparticle can form uniform, dense coating structure on substrate surface, and is closely combined with substrate surface, so as to improve the adhesion and durability of coating.

The application belongs to the technical field of electrochemical sensing, and particularly discloses an electrochemical aptamer sensor for detecting Cd 2+ based on HCR reaction and application thereof. The electrochemical aptamer sensor comprises a reaction sheet and a detection solution, the detection solution comprises a hairpin probe H1 solution, a hairpin probe H2 solution, an AgNO3 solution and a NaBH4 solution, and the reaction sheet comprises a PET substrate and a working electrode, a graphite counter electrode and a silver / silver chloride reference electrode fixed on the PET substrate by silk screen printing; the working electrode is an Apt modified electrode, which is prepared through gold nanoparticle deposition and Apt solution incubation reaction steps. The electrochemical aptamer sensor captures Cd 2+ by coupling Apt on the electrode surface, triggers HCR reaction amplification signal through Apt which does not capture Cd 2+ , and effectively solves the signal interference problem by detecting the LSV signal of in-situ generated silver nanoclusters, so as to realize high sensitivity, high specificity and rapid detection of Cd 2+ .

The application discloses a method for forming an antibacterial layer on the surface of a corneal molding lens by using a gas deposition method, and is characterized by comprising the following steps: using a chemical vapor deposition method to sequentially deposit polydimethylsiloxane (PDMS), silver nanoparticles and nanoscale titanium dioxide (TiO2) on the surface of the corneal molding lens; wherein the temperature of the PDMS deposition process is controlled at 150°C to 200°C, the pressure is 1 to 2 Torr, and the deposition time is 10 to 20 minutes; the temperature of the silver nanoparticle deposition process is controlled at 200°C to 250°C, the pressure is 0.5 to 1.5 Torr, and the deposition time is 15 to 30 minutes; the temperature of the TiO2 nanoparticle deposition process is controlled at 250°C to 300°C, the pressure is 0.8 to 1.5 Torr, and the deposition time is 20 to 40 minutes; the method not only improves the safety and comfort of the corneal molding lens, but also significantly enhances the antibacterial ability of the corneal molding lens, thereby protecting the eye health of the wearer and prolonging the service life of the lens.

A layered semiconductor device comprises at least one particle structure disposed on an underlying layer that comprises a particle material in contact with a contact material selected from: a seed material, a co-deposited dielectric material and / or at least one patterning material. A method for controllably selecting formation of the at least one particle structure on an underlying layer during manufacture of the device comprises depositing at least one layer, including the underlying layer, and exposing its surface to a flux of a particle material such that it comes into contact with the contact material, and coalesces to dispose the at least one particle structure on the underlying layer.

A ceramic coating is deposited onto at least one surface of a chamber component for a process chamber using a cold spray deposition process. The cold spray deposition process propels agglomerates of nanoparticles of a ceramic and deposits the agglomerated nanoparticles of the ceramic onto the at least one surface to form the ceramic coating without causing the particles to undergo a phase change.

Metastable alloys have recently emerged as high-performance catalysts, extending the toolbox of binary alloy materials that can be utilized to mediate electrocatalytic reactions. In particular, nanostructured metastable ordered intermetallic compounds are particularly challenging to synthesize. Here the present invention is directed to a method for synthesizing sub-15 nm metastable ordered intermetallic Pd31Bi12 nanoparticles at room temperature, in a single step, by pulsed electrochemical deposition onto high surface area carbon supports. The resulting Pd31Bi12 nanoparticles displays a 7× enhancement of the mass activity relative to Pt / C and a 4× enhancement relative to Pd / C for the oxygen reduction reaction (ORR). The high performance of Pd31Bi12 nanoparticles is demonstrated to arise from reduced oxygen binding caused by alloying of Pd with Bi. The isolation of Pd-sites from each other facilitate methanol tolerant ORR behavior.

A ceramic coating is deposited onto at least one surface of a chamber component for a process chamber using a cold spray deposition process. The cold spray deposition process propels agglomerates of nanoparticles of a ceramic and deposits the agglomerated nanoparticles of the ceramic onto the at least one surface to form the ceramic coating without causing the particles to undergo a phase change.

The invention provides a LaFeO3 / Bi4Ti3O12 composite photocatalyst as well as a preparation method and application thereof, the composite photocatalyst is of a heterostructure formed by LaFeO3 and Bi4Ti3O12 through interface chemical bonding, and the heterostructure takes a lattice matched with LaFeO3 and Bi4Ti3O12 as a structural basis; the preparation method comprises the following steps: synthesizing LaFeO3 by a hydrothermal method, and depositing LaFeO3 nanoparticles on the surface of Bi4Ti3O12 by the hydrothermal method to prepare the LaFeO3 / Bi4Ti3O12 composite material, the LaFeO3 / Bi4Ti3O12 recoverable photocatalytic material provided by the invention solves the double pain points of insufficient degradation performance and high recovery difficulty of a traditional photocatalyst in organic pollutant treatment, and through material structure design and performance synergy, the photocatalytic material has the advantages of simple preparation process and low cost, and is suitable for industrial production. The integration of'efficient degradation 'and'convenient recovery' is realized.

Described is a method that utilises a process of producing photocatalytic nanoparticles in situ by flame spray pyrolysis (FSP) and depositing the nanoparticles on the substrate via aerosol deposition to produce a photocatalytic nanoparticle film on the substrate, followed by immersing the photocatalytic nanoparticle film with a polymer solution, or a liquid polymer precursor material, to form a composite layer. The method used results in a composite layer that includes a percolating network of photocatalytic nanoparticles in a polymer matrix, wherein the composite layer has enhanced durability and maintains activity after several cycles of irradiation, which is an improvement over currently known coatings.

The present invention may be configured to: apply, while maintaining a separation distance (d) between a substrate and a conductive mask, different electric potentials to each of the substrate and the mask to form an electric field due to an electric potential difference; to make charged nanoparticles pass through a hole of the mask according to the intensity of the electric field to determine the degree to which the charged nanoparticles are focused on the substrate; and control the size and shape of a three-dimensional structure formed by depositing the nanoparticles on the substrate according to the focusing degree.

The application discloses a mesoscale flow reactor and a construction method thereof. The construction method comprises the following steps: performing hydrophilic treatment on a hydrophobic flexible substrate surface to form at least one hydrophilic region, forming a water solution containing nanoparticles on the surface of the hydrophilic region, removing water in the water solution containing nanoparticles to deposit the nanoparticles on the surface of the hydrophilic region to form a nanoparticle layer, and winding the flexible substrate into a reaction channel after loading a catalyst on the surface of the nanoparticle layer to construct the mesoscale flow reactor. The reactor constructed by the application has the characteristics of novel structure and controllable size, the deposited nanoparticles can be efficiently loaded with the catalyst, and in terms of function, the stability and service life of the catalyst are improved, the reaction activity, selectivity and loading capacity of the catalyst are increased, the use amount of the catalyst can be controlled, and cost is reduced and benefit is increased.

The invention discloses a silicon-carbon negative electrode material skid-mounted production system based on a vapor deposition method and a production method thereof, and the system comprises a skid, and a preheater, a feeding tank, a reactor, a storage tank, a blowback gas A storage tank for the feeding tank, a blowback gas B storage tank for the feeding tank, a buffer tank, a gasifier, a pipeline valve instrument and an electric control system which are integrated on the skid, dispersion units are integrated through skid-mounted integration, pipeline connection is reduced, the silane utilization rate is larger than or equal to 85%, hundred-ton-level requirements are met, the problem that existing equipment is insufficient in mass production capacity is solved, the temperature of a preheater and a reactor is accurately controlled, the gas environment is cooperatively adjusted, the deposition uniformity of silicon nanoparticles is improved by 25%, the thickness deviation of a soft carbon coating layer is smaller than or equal to 0.5 nm, and the application range is wide. And the product quality stability is obviously improved.

The invention relates to a near-infrared reflection type blood glucose detection sensor based on heterojunctions and a preparation method of the near-infrared reflection type blood glucose detection sensor. The sensor comprises a honeycomb TiO2 nanotube periodic array, Au nanospheres and Cu2O nanoparticles, the Au nanospheres are periodically deposited in pores of the honeycomb TiO2 nanotube periodic array, and the Cu2O nanoparticles are deposited on the surfaces of the honeycomb TiO2 nanotube periodic array and the Au nanospheres. The Cu2O / Au / TiO2 ternary heterojunction periodic array structure is constructed, so that the performance is improved in a breakthrough manner, and a new device solution is provided for high-precision noninvasive blood glucose detection.

The invention provides a silicon-based negative electrode material and a preparation method thereof, a negative electrode and a battery, and particularly relates to the technical field of secondary batteries, a porous carbon skeleton matrix and silicon nanoparticles, the porous carbon skeleton matrix is provided with discontinuous multi-stage pore channels or pores, the silicon nanoparticles are deposited in the multi-stage pore channels, and the porous carbon skeleton matrix is a porous carbon skeleton matrix. A coating layer is further arranged on the outer surface of the silicon-based negative electrode material, the chemical formula of the porous carbon skeleton matrix is MC, M is a metal element, and the graphitization degree of the porous carbon skeleton matrix is larger than or equal to 10%. By adopting the technical scheme of the invention, the problem that a carbon skeleton in a silicon-based negative electrode material is difficult to complete coordination of activated chambering and graphitization can be solved.

The invention provides a coated ternary positive electrode material for a solid-state lithium battery as well as a preparation method and application of the coated ternary positive electrode material. The coated ternary positive electrode material for the solid-state lithium battery comprises a ternary positive electrode material and a composite coating layer on the surface, ru nano-particles in the composite coating layer material are deposited on the surface of Ti3C2Tx; and Tx is any one or a combination of at least two of-O-,-OH or-F on the surface of Ti < 3 > C < 2 > Tx. A composite coating layer material comprising ruthenium nanoparticles and two-dimensional titanium carbide is adopted, the two-dimensional titanium carbide serving as two-dimensional transition metal carbide has excellent electronic conductivity and rich surface functional groups, and the layered structure of the two-dimensional titanium carbide also provides a channel for ion transmission and shows huge potential in a battery electrode material; ruthenium nanoparticles have high catalytic activity and good conductivity, can promote a charge transfer reaction, and make up for the problems of limited capacity, poor cycle performance and the like when two-dimensional titanium carbide is used as a positive electrode material.

Processes for depositing functionalized nanoparticles upon a non-conductive substrate are disclosed herein. The processes may include the step of aerosolizing one or more particles into suspension within a gas, each of the one or more particles comprising functionalized nanoparticles having an electric charge. The processes may include the step the step of attracting the one or more particles onto a non-conductive substrate by a static electric charge opposite of the electric charge, wherein at least portions of the non-conductive substrate are having the static electric charge. The processes may include the step of depositing the functionalized nanoparticles onto the non-conductive substrate

本发明涉及光生阴极保护领域，具体来说，涉及一种CoIn2S4 / TiO2纳米管束丛复合光阳极材料及其制备方法和应用。复合光阳极材料为TiO2纳米管上沉积CoIn2S4纳米颗粒。本发明的复合膜结构为CoIn2S4纳米颗粒沉积于TiO2纳米管上。CoIn2S4纳米颗粒复合后，TiO2在可见光区吸收显著提升，且半导体复合后匹配的能带位置能够驱动光生载流子快速分离，减少二次复合。本发明的CoIn2S4敏化TiO2纳米管阵列复合薄膜，作为光阳极材料进行阴极保护时，相对于TiO2材料，可以提高可见光的利用率和光生载流子的分离率，显著降低304不锈钢的电极电位，降低腐蚀速率。

The invention relates to a solid-like smooth anti-icing and deicing coating with a multi-scale photo-thermal trap and a preparation method of the solid-like smooth anti-icing and deicing coating. Anion-modified carbon aerogel (CAA) photo-thermal nanoparticles are deposited on the surfaces of cation-modified hollow thermoplastic acrylate microspheres (TAM), suction filtration and drying are carried out, and TAM-coated CAA microspheres are obtained; growing silicon dioxide (SiO) aerogel on the surface of the microsphere in situ through an alkali catalysis sol-gel method, and carrying out suction filtration and freeze drying to obtain the TAM (at) CAA (at) SiO multi-scale photo-thermal trap microsphere; then dispersing the multi-scale photo-thermal trap microspheres, silicone oil (SO) and a curing agent into an organic solvent containing epoxy resin for full reaction to form a prepolymer, and then performing spin coating and curing to obtain the solid-like smooth anti-icing and deicing coating with the multi-scale photo-thermal trap, and the coating shows excellent ice dredging performance in an extremely cold environment (such as low temperature and high humidity). The method is simple and easy to operate, free of special instruments and equipment, high in operability and easy for industrial production.