48results about "Nanostructure assembly" patented technology

A light emitting device comprises: a substrate; a first electrode on the substrate, the first electrode having holes, and having inclined surfaces along the peripheries of the holes; second electrodes on the substrate, each of which is in a respective one of the holes of the first electrode; and light emitting elements between the first electrode and the second electrodes, the light-emitting elements being electrically connected to the first electrode and the second electrodes.

The technology subject of the present application concerns a novel class of fused nanocrystal molecules having unique electronic properties. The application further contemplates methods for their preparation and methods of their use.

The invention provides an enrichment-enhanced bifunctional filter membrane SERS (Surface Enhanced Raman Scattering) substrate as well as a preparation method and application thereof. The preparation method comprises the following steps: preparing Ag nano-particles and functionalizing the Ag nano-particles; the method comprises the following steps: self-assembling functionalized Ag nano-particles and a nano-carbon material, so that the Ag nano-particles are loaded on the surface of the nano-carbon material to form a hybrid structure; anchoring the hybrid structure by using a matrix with a fibrous structure to obtain an SERS solution system with a composite nanostructure; and filtering the SERS solution system onto a glass fiber filter membrane to form the SERS substrate with the enriched and enhanced bifunctional filter membrane. According to the filter membrane SERS substrate prepared through the method, rapid enrichment and detection of PAHs in the water environment can be achieved through simple filtering operation, the detection sensitivity and efficiency are remarkably improved, and the filter membrane SERS substrate has wide application prospects.

The present invention relates to a method for depositing an object (6), comprising: - approaching, in an enclosure, a holder in the direction of a carrier substrate (5), then - transferring, in the enclosure, the object from the holder to an area for depositing (7) the carrier substrate. The transfer step is preferably carried out when the inside of the enclosure is in a vacuum at a pressure below 10 -6 bar.

A light emitting device includes: a substrate; a first electrode and a second electrode provided at a distance from each other on the substrate and extending in one direction; a plurality of light emitting diodes provided between the first electrode and the second electrode, and connected to the first electrode and the second electrode; and a residual pattern provided between at least one of the plurality of light emitting diodes and the substrate.

The light-emitting device includes: a substrate; a first electrode arranged on the substrate, including a hole and having an inclined surface formed along the periphery of the hole; a second electrode arranged on the substrate and respectively located in the holes of the first electrode; and a light-emitting element located between the first electrode and the second electrode and electrically connected to the first electrode and the second electrode.

The invention refers to a support substrate (1) comprising a set of cantilevers (13), wherein each cantilever of the set of cantilevers (13) extends along a longitudinal axis in a direction from the support substrate (1) to a free end (130) of the cantilever. The free end (130) of each cantilever of the set of cantilevers (13) comprises a flat surface area that is adapted to load the 0 nanostructure (2). The cantilevers of the set of cantilevers (13) are arranged along at least a curved or angular part of a circumference (11) of the support substrate (1). At least two cantilevers of the set of cantilevers (13) each extend in different directions.

A porous composite structure including a substrate including a plurality of nanostructures; a particle layer disposed on a surface of the substrate; and a liquid, a method of preparing the porous composite structure, an article including the porous composite structure, and an air purifier including the porous composite structure.

A machine-readable medium and methods of reading and writing same are disclosed. The machine-readable medium comprises a substrate having an array of addressable locations thereon, each addressable location adapted to be physically associated with a collection of non-polymeric molecules. The molecules in each collection are selected from a set of unambiguously identifiable molecules, each molecule uniquely associated with a predetermined position in a numerical value, wherein the presence of the molecule in the collection indicates a predetermined digit at the associated position and the absence of said molecule in the collection indicates a zero at said associated position.

The invention discloses a method for preparing a double-sided structured micro-nano motor based on Pickering emulsion, and belongs to the technical field of nano device preparation, and the method comprises the following steps: preparing a paraffin-nano particle semi-surface structure by using Pickering emulsion; after selective modification is conducted on the surfaces of the exposed nano particles in the paraffin-nano particle semi-face structure, paraffin is removed, and eccentric nano particles are obtained; the invention discloses a micro-nano motor with a double-sided structure prepared on the basis of eccentric nanoparticles. The Pickering emulsion is creatively used for preparing the micro-nano motor of the double-sided structure, the method has the advantages of being simple, efficient, independent of equipment and the like, large-scale preparation of the micro-nano motor can be achieved, and industrial application of the micro-nano motor can be promoted.

Ultrafast methods to prepare high-density DNA functionalized nanoparticles using solution-based fabrication and application to aligned 2D QR lattices with nanometer scale spatial accuracy are described.

The present invention relates to the technical field of nanodevice preparation, and specifically to a method for batch preparation of enzyme-driven Janus nanomotors, comprising the following steps: preparing an asymmetric gold nanoparticle complex by electrostatic adsorption; modifying the surface of the gold nanoparticles with CHO-PEG-SH or acetylcysteine; separating and removing the magnetic microparticles electrostatically adsorbed to the gold nanoparticles to obtain CHO-PEG-SH-nanogold particles or acetylcysteine-nanogold particles; further modifying the nanoparticles with CHO-PEG-SH or acetylcysteine ​​to obtain gold nanoparticles modified with CHO-PEG-SH and acetylcysteine ​​on both sides; and mixing and shaking the enzyme solution to obtain the enzyme-driven Janus nanomotors. The method is simple, efficient, low-cost, and reusable. It does not require the use of large amounts of organic solvents, can be mass-produced, and is suitable for industrial production.

A light emitting device may include: a substrate; first and second electrodes disposed on the substrate; an insulating layer disposed on the substrate on which the first and the second electrodes are formed, and including a groove extending in a first direction intersecting with the first and the second electrodes, and first and second contact portions configured to expose areas of the first and the second electrodes; light emitting elements disposed on the groove between the first and the second electrodes, and each including first and second ends electrically connected to the first and second electrodes; a first contact electrode electrically connected to the light emitting elements on the first end, and electrically connected to the first electrode on the first contact portion; and a second contact electrode electrically connected to the light emitting elements on the second end, and electrically connected to the second electrode on the second contact portion.

Methods for the manufacture of stable strontium titanate nanocube sols are disclosed. The sols are useful in the manufacture of switchable layers suitable for RRAM applications and the switching performance is stable and reproducible. The RRAM layers comprise a mixture of strontium titanate nanocubes and surfactant.

Ultrafast methods to prepare high-density DNA functionalized nanoparticles using solution-based fabrication and application to aligned 2D QR lattices with nanometer scale spatial accuracy are described.

An article having an anti-reflective structure is provided. The antireflective article includes a substrate having a surface and a bulk, and an array of antireflective nanostructures along the surface of the substrate. Each antireflective nanostructure in the array of antireflective nanostructures is supported by the bulk of the material. Each antireflective nanostructure in the array of antireflective nanostructures tapers from the bulk of the substrate to define a respective peak. At least some of the antireflective nanostructures in the array of antireflective nanostructures are connected to adjacent antireflective nanostructures in the array of antireflective nanostructures via respective interconnects. Each interconnect is added to the bulk of the substrate supporting the antireflective nanostructures. Each interconnect is located at or on a midpoint between the peak of the antireflective nanostructure and the bulk of the substrate.

A light-emitting element ink, a display device, and a method of fabricating the display device are provided. The light-emitting element ink includes a light-emitting element solvent, light-emitting elements dispersed in the light-emitting element solvent, each of the light-emitting elements including a plurality of semiconductor layers and an insulating film that surrounds parts of outer surfaces of the semiconductor layers, and a surfactant dispersed in the light-emitting element solvent, the surfactant including a fluorine-based and / or a silicon-based surfactant.

The invention relates to a light emitting device, a method of manufacturing the light emitting device, and a display apparatus. The light emitting device may include: a substrate; the first electrode and the second electrode are arranged on the substrate; an insulating layer disposed on the substrate on which the first electrode and the second electrode are formed, and including a groove extending in a first direction intersecting the first electrode and the second electrode, and first and second contact portions configured to expose one region of the first electrode and one region of the second electrode; light emitting elements disposed in the recess between the first electrode and the second electrode, and each including a first end and a second end electrically connected to the first electrode and the second electrode; a first contact electrode electrically connected to the light emitting element on a first end and electrically connected to the first electrode on a first contact portion; and a second contact electrode electrically connected to the light emitting element on a second end and electrically connected to the second electrode on a second contact portion.

The invention refers to a support substrate (1) comprising a set of cantilevers (13), wherein each cantilever of the set of cantilevers (13) extends along a longitudinal axis in a direction from the support substrate (1) to a free end (130) of the cantilever. The free end (130) of each cantilever of the set of cantilevers (13) is adapted to load the nanostructure (2). The cantilevers of the set of cantilevers (13) are arranged along at least a curved or angular part of a circumference (11) of the support substrate (1). At least two cantilevers of the set of cantilevers (13) each extend in different directions.

The application discloses a controllable assembly method of nanoparticles. The method is realized by complexing carboxyl-modified pillar[5]arene (CP[5]A) and pyrene butyric acid grafted organic imidazole salt through host-guest interaction. Through a two-step simple substitution reaction, 1-methyl-3-(10-(4-pyrene-1-butanoic acid)-chrysene-1H-imidazole bromide and derivatives containing different carbon numbers are synthesized, which are mixed with the reported CP[5]A to obtain the assembly system. By adjusting the concentration of the host and guest organic matters and the chain length of the guest organic matter, AuNPs can be controllably assembled and form well-defined one-dimensional and two-dimensional structures, especially the fine assembly of AuNPs can be realized. The assembly system has high stability and can exist stably for months. Meanwhile, the assembly system has good universality and can be used to assemble different types of nanoparticles, such as silver nanoparticles, silver nanosheets, iron gold nanoparticles and gold nanorods, and is a simple and universal assembly platform.

An ink and a method for manufacturing a display device using the ink are provided, wherein the ink includes a solvent and light-emitting elements dispersed in the solvent, each of the light-emitting elements including a semiconductor layer and an insulating film partially surrounding an outer surface of the semiconductor layer, wherein the solvent has a Hansen solubility parameter with a polarity parameter between about 4 and about 9 and a hydrogen bonding parameter between about 6 and about 11.

The present invention discloses a gelation-induced ordered assembly method. The method is based on the electrostatic interaction between the assembly substrate and the assembly primitives to achieve the ordered assembly of the assembly primitives. Specifically, a substrate that can release charged particles is placed in an assembly liquid to obtain an ordered assembled material; the assembly liquid includes assembly primitives, and the assembly primitives can form an electrostatic interaction with the charged particles. Furthermore, the present invention further improves the orientation degree of the assembly material based on gel-induced orientation. The present invention simply realizes the orderly assembly preparation of nanomaterials and microstructure control, and realizes the preparation of nanocomposite materials with various forms and functions using substrates of complex shapes and various materials as templates.

The disclosed embodiments provide a system that performs molecular assembly. During operation, the system delivers one or more droplets of a fluid onto a surface using a nanofluidic delivery probe and an associated high-precision positioning device, wherein the solution comprises a solvent and one or more solute molecules, and wherein delivery of the droplets onto the surface facilitates evaporation-driven assembly of one or more structures on the surface. Moreover, while delivering a droplet onto the surface, the system controls a size of the droplet and a shape of the droplet during evaporation to produce a variety of shapes in resulting structures.

The invention relates to the technical field of nano device preparation, in particular to a method for batch preparation of a bio-enzyme driven double-sided nano motor, which comprises the following steps: preparing an asymmetric nanogold-magnetic micron particle compound through an electrostatic adsorption principle; the preparation method comprises the following steps: modifying CH3O-PEG-SH or acetylcysteine on the surfaces of nanogold-magnetic micron particles; the preparation method comprises the following steps: preparing CH3O-PEG-SH-gold nanoparticles or acetylcysteine-gold nanoparticles from CH3O-PEG-SH or acetylcysteine, separating and removing the magnetic micron particles which are electrostatically adsorbed with the gold nanoparticles to obtain CH3O-PEG-SH-gold nanoparticles or acetylcysteine-gold nanoparticles, and continuously modifying CH3O-PEG-SH or acetylcysteine to obtain gold nanoparticles of which the two sides are respectively modified with CH3O-PEG-SH and acetylcysteine; mixing and vibrating the biological enzyme solution to obtain the biological enzyme driven double-sided nanometer motor. The method is simple, efficient and low in cost, materials can be repeatedly used, a large number of organic solvents are not needed, and the method can be produced in batches and is suitable for industrial production.

The embodiment of the invention provides a preparation method of a suspended two-dimensional material device, and the method comprises the steps: S1, carrying out the spin coating of an organic solution on the surface of a to-be-transferred two-dimensional material layer, carrying out the drying treatment, forming an organic thin film layer, and enabling the to-be-transferred two-dimensional material layer to be formed on a substrate; s2, covering the organic thin film layer with a supporting layer, and performing steam fumigation treatment; and S3, separating the to-be-transferred two-dimensional material layer from the substrate, and transferring the to-be-transferred two-dimensional material layer to a target suspended substrate to prepare the suspended two-dimensional material device. According to the preparation method of the suspended two-dimensional material device provided by the embodiment of the invention, the suspended two-dimensional material device can be simply and efficiently prepared in a pollution-free and large-size manner, so that a high-performance suspended device can be prepared.

A new class of ordered functional nanoporous material (OFNMs) with a unique combination of electronic conductivity, gas transport ability, and ion transport properties are provided. The OFNM provided is highly ordered and contains nanometer scale pores lined with nitrogen atoms. The pores have dimensions of from 1.2 nm to 82 nm of longest linear extent across the pore. The functionality within the pore is controlled through selection of groups that extend into the pore. The degree of conjugated aromaticity is readily controlled to adjust the electrical conductivity properties of the resulting structure. By adjusting the groups external to the pore, three-dimensional structures are formed that are organic mimics of zeolites, metal organic frameworks (MOF), or perovskites.

A light emitting device comprises: a substrate; a first electrode which is arranged on the substrate, includes holes, and has inclined surfaces formed along the peripheries of the holes; second electrodes arranged on the substrate and positioned in the holes of the first electrode, respectively; and light emitting elements positioned between the first electrode and the second electrodes, and electrically connected to the first electrode and the second electrodes.

Disclosed herein includes a method for high-throughput, controlled deposition of low-density nanoparticle ensembles onto a substrate. The nanoparticle ensembles may further be functionalized with biological probes for molecular detection, such as molecular plasmonic sensing. Sensing devices containing low-density nanoparticle ensembles functionalized with biological probes and methods of nucleic acid detection are also described.

The present invention relates to a method for the mechanical construction of van der Waals heterostructures and to a set of dies designed for the mechanical construction of van der Waals heterostructures and in particular for carrying out the method.