47 results about "Nanostructured materials" patented technology

The invention provides a zinc sulfide-porous carbon nanofiber composite membrane, a preparation method thereof, an electrode plate and a lithium ion battery, and relates to the technical field of nanostructure materials and batteries. According to the preparation method of the zinc sulfide-porous carbon nanofiber composite membrane, electrostatic spinning and calcination vulcanization processes are combined, and the zinc sulfide-porous carbon nanofiber composite membrane with a special morphology is prepared. The fiber composite membrane has a unique structure that zinc sulfide is uniformly distributed in the lotus-root-like porous carbon nanofibers, and the composite structure provides a good electron transport network and improves the conductivity of the material; due to the coating and confinement effects of the porous carbon nanofibers on the zinc sulfide, the volume expansion effect of the zinc sulfide in the circulation process can be effectively inhibited, the defects of poor conductivity, large volume expansion and the like of the zinc sulfide are overcome, and the circulation stability of the composite membrane is improved. As the fiber composite membrane has mechanical flexibility and self-supporting property, the fiber composite membrane can be directly used as an electrode plate, and the preparation process of the electrode plate is greatly simplified.

An electrode includes a transparent substrate, and a layer of a nanostructured material at least partially covering a surface of the transparent substrate. The nanostructured material includes defective perovskite nanostructures (DPNSs) in the form of nanoplates having an average particle size in a range of 10 to 100 nanometers (nm), an interplanar spacing d(101) of the (101) plane in a range of 0.3 to 0.4 nm, and an interplanar spacing d(104) of the (104) plane in a range of 0.2 to 0.3 nm. A method of making the electrode.

This invention discloses a CuS nanostructure material, its preparation method, and its applications. The CuS nanostructure material uses Cu-MOF octahedrons as a precursor, which are hydrothermally sulfided to obtain an octahedral hierarchical structure assembled from CuS nanorods. The CuS nanorods have a size of 50-100 nm, and the edge length of the precursor Cu-MOF octahedrons is 0.8-1 μm. This invention utilizes a one-step hydrothermal method to prepare a CuS nanostructure material through Cu-MOF sulfidation, resulting in a zinc-ion battery anode material with high conversion efficiency and excellent electrochemical performance.

The present invention relates to nanostructured materials, in particular to the preparation method of silicon-based field-effect transistors. The object of this invention consists of a method for manufacturing a field-effect transistor comprising the following steps: depositing a gate electrode layer onto a dielectric layer; depositing a priming layer said dielectric layer; forming a source electrode and a drain electrode by depositing conductive material on said priming layer and forming a semiconductor layer on top of the source and drain electrodes wherein the priming layer comprises a conductive material and the semiconductor layer comprises a porous polycrystalline silicon-based material, being said porous polycrystalline silicon-based material. The proposed invention aims to combine the potential of polymer-based dielectric materials and Si-based semiconductor to fabricate a FET device that can be more sustainable, readily available and low cost.

The invention relates to the high-efficiency synthesis of pure or multi-metallic derivatives of ZIF-11 or ZIF-12 or Amorph-ZIF structures, and subsequently the production of composite nano-structured materials with nano metal particles dispersed or embedded on a wide carbon surface through calcination under inert conditions, and the use of these composite nanomaterials as electrodes in Li-ion batteries, Li-S batteries, Na-ion batteries, K-ion batteries, supercapacitors, and fuel cells.

The present invention provides a thermoplasmon@COF composite photocatalyst, a preparation method thereof and applications, belonging to the technical field of photocatalytic hydrogen production. The thermoplasmon@COF composite photocatalyst of the present invention is composed of a thermoplasmon nanostructured material and a covalent organic framework COF, and has the ability to efficiently drive photocatalytic hydrogen production. The internal mechanism of this photocatalyst is plasmon-driven enhanced absorption, near-field-driven exciton separation, hot electron injection, and local thermal effects. Among them, the local thermal effect plays a dominant role in catalytic hydrogen production, enabling this photocatalyst to exhibit excellent activity and stability at room temperature.

The present invention provides a conductive polymer composition with which it is possible to provide an electrolytic capacitor that is excellent in terms of low ESR characteristics. The conductive polymer composition contains: 0.01-10 mass% of a polythiophene (A) which contains at least one structural unit that is selected from the group consisting of a structural unit represented by general formula (1) and a structural unit represented by general formula (2); 0.001-10 mass% of a nanostructure material (B); 1-50 mass% of at least one substance (C) that is selected from the group consisting of polyglycerol and sugar alcohol; and a solvent.

Disclosed is a solid-phase carrier used for measuring an analyte, comprising: a substrate; and a nanostructured material disposed on one surface of the substrate, wherein the nanostructured material comprises: a plasmon excitation layer formed of a material capable of exciting surface plasmon resonance and having a nanostructure in which localized surface plasmon resonance is excited by irradiation of light; and a coating layer formed of a material that does not excite surface plasmon resonance, wherein the plasmon excitation layer includes a coated region covered by the coating layer and an uncoated region not covered by the coating layer, wherein the uncoated region includes a hotspot where localized surface plasmon resonance occurs, and wherein a surface of the coating layer has a lower binding affinity for a specific binding substance of the analyte than a surface of the plasmon excitation layer.

The invention provides a method for inducing amino acid and polypeptide to be self-assembled into a nano-structure material and application, and belongs to the technical field of nano-materials and biomolecule self-assembled materials. According to the method, amino acid and / or polypeptide are / is taken as a substrate, self-assembly is effectively realized in a system containing periodate ions to form a stable nano-structure material, the nano-structure material is in the shape of spherical nano-particles, filamentous nano-fibers or flaky nano-structures and the like, and the product is uniform in size and relatively high in quality. Wherein the diameter of the spherical nanoparticles of the nanostructure material obtained under the condition of neutral periodate is 5-200 nm, and the diameter of the filamentous nanofibers is 10-50 nm. The periodate ion induced self-assembly method is adopted, the process is simple, the condition is mild, the application range is wide, and the nano-structure material obtained through self-assembly has special physicochemical properties, excellent biocompatibility and biodegradability and can be widely applied to the fields of industry, agriculture, energy, medicine and the like.

The invention provides an aluminum oxide three-dimensional nanometer grid structure and a preparation method and application thereof, and belongs to the technical field of nanometer structure materials. The aluminum oxide three-dimensional nano-grid structure provided by the invention comprises an aluminum oxide matrix with transverse and longitudinal three-dimensional interconnected pore structures and fillers filled in the transverse and longitudinal three-dimensional interconnected pore structures, the color and radiation cooling power are adjusted by storing and removing the filler in the pore channel structure. A series of transverse channels are selectively etched in a traditional porous anodic aluminum oxide template, a three-dimensional interconnected anodic aluminum oxide network is constructed, liquid or solid filler is filled and removed in the three-dimensional channels, and the periodic refractive index of the thin film structure is dynamically adjusted to achieve switchable optical and thermal properties, so that the performance of the thin film is improved. Therefore, the dynamic control of the color and the cooling power is realized.

The application discloses a kind of heterogeneous nanostructured materials and its controllable synthesis preparation method, belong to nanometer material technical field.This method with alkali metal rare earth fluoride nanorod seed, oleic acid and octadecene as growth system, by adding alkali metal rare earth fluoride precursor solution and the lattice mismatch degree between host-guest material is regulated, realize the accurate customization of heterogeneous nano material morphology.According to the quantitative regulation of mismatch degree: when longitudinal mismatch degree δ 纵 <2.0%, transverse mismatch degree δ 横 <1.0% when obtaining uniformly wrapped nanorod;When 2.0%≤δ 纵 <3.1%, 1.0%≤δ 横 <1.7% when obtaining nanoring wrapped nanorod;When 3.1%≤δ 纵 ≤5.1%, 1.7%≤δ 横 ≤2.3% when obtaining nanorod wrapped by nanoscale island.The application realizes the quantitative regulation of heteroepitaxial growth mode by lattice mismatch engineering, provides a new idea for the design of multifunctional integrated heterogeneous nano material.

Nanostructured coating materials, methods of their production, and methods of use in a variety of applications are described. The nanostructured materials described herein include one or more 2+ and / or 3+ metal ion(s), optionally in a ternary phase, on a substrate.

The invention discloses a metal oxide (at) ZTC composite nanomaterial and application thereof in catalysis of thermal decomposition of ammonium perchlorate, and belongs to the technical field of nanostructure materials. The invention provides a metal oxide doped nano ZTC and a method for catalyzing decomposition of ammonium perchlorate by using the metal oxide doped nano ZTC. Nanometer ZTC doped with different metal oxides is added into ammonium perchlorate to serve as a catalyst, the thermal decomposition reaction of ammonium perchlorate is promoted, and the purpose of reducing the thermal decomposition temperature of ammonium perchlorate is achieved.

The invention relates to the technical field of optical device design, in particular to a design method of a long-wave infrared achromatic beam splitting focusing type super-structure lens. The method comprises the following steps: determining a substrate material, a nanostructure material, a radius R, a focal length f and four polarization channel focus coordinates; constructing a linear polarization unit phase parameter library and a transmissivity parameter library through FDTD (Frequency Division Time Division) parameter scanning; performing achromatic phase optimization on the four polarization states in the characteristic wavelength set based on a PSO algorithm to generate structural parameter distribution data of a linear polarization part and a circular polarization part; constructing a super-structure lens in a row staggered arrangement manner; and verifying the focusing performance of the super-structure lens array through an angular spectrum propagation algorithm. Nanometer units for regulating and controlling linearly polarized light and circularly polarized light are integrated through row staggered arrangement, the PSO algorithm is combined for achromatic phase collaborative optimization, multi-polarization-state beam splitting and focusing integration is achieved, the working wave band is widened, the broadband focusing consistency is improved, and the design and calculation cost of the super-structure lens array is reduced.

The present invention provides a zinc sulfide-porous carbon nanofiber composite membrane, a preparation method thereof, an electrode sheet, and a lithium ion battery, relating to the fields of nanostructured materials and battery technologies. The preparation method of the zinc sulfide-porous carbon nanofiber composite membrane combines electrospinning and calcination sulfidation processes to prepare a zinc sulfide-porous carbon nanofiber composite membrane with a special morphology. The fiber composite membrane has a unique structure in which zinc sulfide is uniformly distributed inside lotus root-like porous carbon nanofibers. This composite structure provides a good electron transport network and improves the conductivity of the material. Moreover, due to the coating and confinement effects of the porous carbon nanofibers on zinc sulfide, the volume expansion effect during cycling can be effectively inhibited, and defects such as poor conductivity and large volume expansion of zinc sulfide are improved, thereby enhancing the cycle stability of the composite membrane. Since the fiber composite membrane has mechanical flexibility and self-supporting properties, it can be directly used as an electrode sheet, greatly simplifying the electrode sheet preparation process.

In accordance with some embodiments of the present disclosure, a method of manufacturing a semiconductor device structure and a semiconductor device structure are disclosed. The method includes forming a backside connection structure by sequentially forming heat transfer layers stacked on each other and a backside metallization structure sandwiched between the heat transfer layers. The formation of the at least one heat transfer layer includes performing an annealing process to convert the layer of insulating material into a layer of insulating nanostructured material having nanocrystallines and dopants distributed along the grain boundaries of the nanocrystallines.

Disclosed are nanostructured materials, devices, systems and methods of their fabrication using cryogenic milling techniques. In some embodiments in accordance with the disclosed technology, a cryogenic milling method for fabricating electrode materials for batteries is described, which can be used to fabricate high volumetric / gravimetric capacity SnSb—C (tin-antimony with carbon) anode material and other alloy / intermetallic type carbon composite battery anode materials for lithium-ion batteries with significantly improved battery energy density and cycle life.

The application relates to a molybdenum alloy and a preparation method thereof, and relates to the technical field of powder metallurgy nano-structured materials. The main technical scheme is as follows: the molybdenum alloy comprises the following chemical components in percentage by mass: C: 0.0015wt%-0.0025wt%, Zr: 0.10wt%-0.19wt%, rare earth Y: 0.25wt%-0.40wt%, W: 0.22wt%-0.28wt%, and the balance is Mo. The application controls the size and distribution of the second phase through component design, introduces the rare earth compound oxide which forms the coherent / semi-coherent with the matrix to realize the effect of refining the grains and purifying the grain boundaries. On the basis, the application introduces ZrC, at least part of the ZrC can form ZrO2 in the sintering process, so that the oxygen content of the alloy matrix can be further reduced, the grain boundary bonding strength is increased, and the strength and plasticity of the alloy can be further improved.

The present technology relates to an efficient process of mixing, dispersing and integrating reduced graphene oxide (RGO) or carbon nanomaterials or nanostructured materials to the epoxy matrix of the “fusion-bonded epoxy” (FBE) type. The polymeric material consists of a mixture of the solid epoxy particulate with a curing agent, catalyst, pigments and inorganic additives. It allows to integrate nanometric particulate additives in FBE, using FBE in solid state. Powder FBE+RGO system mixes are produced by means of a planetary ball mill or high energy planetary ball mill with internal addition of balls, with time and rotation control. The mixtures show little or no sign of RGO aggregation after application of the composite as a coating on metals. The mixture of FBE+RGO can be applied to metallic surfaces to protect against abrasive processes and corrosion without compromising the properties presented by FBE applied without nanomaterials. There were increases of up to 11% in abrasion resistance, improvement in the material's resistance to accelerated tests, such as immersion in a hot water bath, and a significant increase in adherence, of approximately 100% after the hot bath immersion test.

This invention relates to a molybdenum alloy and its preparation method, belonging to the field of powder metallurgy nanostructure materials technology. The main technical solution adopted is as follows: the molybdenum alloy comprises the following chemical composition by mass percentage: C: 0.0015wt%-0.0025wt%, Zr: 0.10wt%-0.19wt%, rare earth Y: 0.25wt%-0.40wt%, W: 0.22wt%-0.28wt%, with the balance being Mo. This invention controls the size and distribution of the second phase through compositional design, introducing coherent / semi-coherent rare earth composite oxides that form coherent / semi-coherent structures with the matrix to achieve grain refinement and grain boundary purification. Based on the above, this invention introduces ZrC, at least a portion of which can form ZrO2 during sintering, thereby further reducing the oxygen content of the alloy matrix and increasing the grain boundary bonding strength, thus further improving the strength and plasticity of the alloy.

A system (100) for modeling and optimizing artificial photosynthesis for the development of materials and devices for converting solar energy into fuel energy, comprising: • a quantum multiscale modeling module (110) configured to simulate the electronic and catalytic properties of photoactive materials; • a photoelectrode design module (120) configured to design and optimize photoanodes and photocathodes for photoelectrochemical reactions; • a module (130) for the fabrication of nanostructured material architectures designed for improved light absorption and catalytic performance; • a hybrid organic-inorganic interface module (140) configured to optimize charge transfer between organic molecules and inorganic semiconductor materials; • an AI optimization engine (150) configured to analyze simulation data and identify optimal material configurations; and • a simulation module (160) for converting solar energy into fuels, configured to simulate the operation of artificial photosynthesis systems for hydrogen production or carbon dioxide reduction.

A manufacturing method for a semiconductor device structure and the semiconductor device structure are disclosed. The method includes forming backside connection structures by sequentially forming heat transfer layers stacked upon one another and backside metallization structures sandwiched between the heat transfer layers. The formation of at least one heat transfer layer involves performing an annealing process to turn an insulating material layer into an insulating nanostructured material layer with nano grains and dopants distributed along grain boundaries of the nano grains.

The present invention relates to nanostructured materials (including nanowires) for use in batteries. Exemplary materials include carbon-comprising, Si-based nanostructures, nanostructured materials disposed on carbon-based substrates, and nanostructures comprising nanoscale scaffolds. The present invention also provides methods of preparing battery electrodes, and batteries, using the nanostructured materials.

An electrode includes a transparent substrate, and a layer of a nanostructured material at least partially covering a surface of the transparent substrate. The nanostructured material includes defective perovskite nanostructures (DPNSs) in the form of nanoplates having an average particle size in a range of 10 to 100 nanometers (nm), an interplanar spacing d(101) of the (101) plane in a range of 0.3 to 0.4 nm, and an interplanar spacing d(104) of the (104) plane in a range of 0.2 to 0.3 nm. A method of making the electrode.

This invention relates to the field of optical device design technology, specifically a design method for a long-wavelength infrared achromatic beam-splitting focusing metalens. The method includes: determining the substrate material, nanostructure material, radius R, focal length f, and focal coordinates of four polarization channels; constructing a phase parameter library and a transmittance parameter library for linearly polarized units using FDTD scanning; performing achromatic phase optimization on the four polarization states within the characteristic wavelength set based on the PSO algorithm to generate structural parameter distribution data for the linearly polarized and circularly polarized portions; constructing the metalens using a row-interlaced arrangement; and verifying the focusing performance of the metalens array using an angular spectrum propagation algorithm. This invention integrates nanounits that control linearly and circularly polarized light through row-interlaced arrangement, combined with PSO algorithm-based achromatic phase synergistic optimization, to achieve integrated multi-polarization-state beam splitting and focusing, broadening the working wavelength band and improving broadband focusing consistency, while reducing the computational cost of metalens array design.

A method for immobilising live cells within biological samples for analytical and diagnostic purposes that comprises the steps of providing a biological sample containing a predetermined number of cells to analyse; providing a planar support particularly suitable for use in an analytical device, the planar support comprising a surface functionalised with a surface coating comprising a nanostructured material; depositing a laminar layer of said biological sample on said functionalised surface of said planar support in order to cause the cells contained in the biological sample to adhere to the functionalised surface of the planar support; and positioning a fixative on the laminar layer of the biological sample. All of the above-mentioned steps are carried out at a temperature below at least 25° C.

The present invention discloses a metasurface construction method, system and chip preparation method for modulating angular energy distribution, including: constructing a change curve diagram of the phase and transmittance of the target metasurface with the radius or deflection angle of the target nanounit according to the target wavelength, the target VCSEL chip structure, the target chip substrate material, the target nanostructure material and the target nanounit structure through the time domain finite difference method; obtaining the lattice constant that maintains the target transmittance within the target range according to the change curve diagram; dividing the target metasurface according to the lattice constant; obtaining the corresponding target phase distribution according to the target angular energy distribution corresponding to the unit cell in each metasurface unit cell set; searching the change curve diagram according to each target phase distribution to construct the corresponding metasurface target nanounit set; constructing the target metasurface according to the target nanounit set and the metasurface unit cell set. Through FDTD simulation, a metasurface structure that can achieve the target angular energy distribution is constructed.

Method for preparing a particulate composite material for an organic electrode. The present invention relates to a method for preparing a particulate, electroactive, and electronically conductive composite material, comprising at least the steps of: (i) having a formulation of at least one redox organic material, in a swollen or solubilized state in a solvent medium in which is dispersed at least one electronically conductive nanostructured material, in particular at least one carbon-based nanostructured material; (ii) removing the solvent(s) from the solvent medium; and (iii) grinding the solid material obtained at the end of step (ii) into a powder to form said particulate composite material. It also relates to a particulate composite material obtained by this method, as well as its use as an active electrode material.

A method of forming a consolidated component having a complex shape includes providing a first component having a first shape similar to the complex shape. The method further includes placing the first component in a chamber and surrounding the first component with a medium. The method further includes applying pressure and at least one of heat or electricity into the chamber to process the first component to form a consolidated component having the complex shape.

The present invention relates to nanostructured materials (including nanowires) for use in batteries. Exemplary materials include carbon-comprising, Si-based nanostructures, nanostructured materials disposed on carbon-based substrates, and nanostructures comprising nanoscale scaffolds. The present invention also provides methods of preparing battery electrodes, and batteries, using the nanostructured materials.