20results about "Nanostructure assembly" patented technology

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 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.

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.

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.

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.

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.

A chamber and surrounding system for the assembly of high yielding, high density, accurately and deterministically placed discrete nano or microparticles or particle arrays are provided, where the positioning of the particles is maintained during a supercritical drying process. The nanoparticle assembly chamber is based upon the dielectrophoretic force generated AC electrodes patterned on a substrate and contacted with electrical feedthroughs, a secondary electrophoretic force generated by a DC electrode opposite the substrate to force particles from the bulk solution near the substrate surface to increase deposition rate, and a fluidic pump to flow solution containing nanoparticles over the substrate surface. The magnitude of the dielectrophoretic forces and electrophoretic force can be adjusted by the geometric parameters, the bias potential applied to the DC bias electrode, and the magnitude of the AC electric field applied to the substrate electrodes.

A chamber and surrounding system for the assembly of high yielding, high density, accurately and deterministically placed discrete nano or microparticles or particle arrays are provided, where the positioning of the particles is maintained during a supercritical drying process. The nanoparticle assembly chamber is based upon the dielectrophoretic force generated AC electrodes patterned on a substrate and contacted with electrical feedthroughs, a secondary electrophoretic force generated by a DC electrode opposite the substrate to force particles from the bulk solution near the substrate surface to increase deposition rate, and a fluidic pump to flow solution containing nanoparticles over the substrate surface. The magnitude of the dielectrophoretic forces and electrophoretic force can be adjusted by the geometric parameters, the bias potential applied to the DC bias electrode, and the magnitude of the AC electric field applied to the substrate electrodes.

The invention provides an LB assembly method of Te nanowires on different substrate surfaces, which comprises the following steps: S1, adding 0.1 g of PVP, 0.11 g of Na2TeO3, 0.2 ml of N2H4.H2O, 7 ml of 0.096 mol / L NaOH solution and 20.8 ml of purified water into a reaction kettle, reacting at 160 DEG C for 3 hours, cooling, cleaning with purified water for three times, and dispersing the product in water to obtain a Te nanowire dispersion liquid; s2, modifying the surface of the SiO2 substrate by using APS, and forming photoresist stripes with a preset size on the photoetching substrate through a photoetching technology; s3, dispersing the Te nanowires in the step S1 in a chloroform-ethanol solvent with the volume ratio of 1: 3, spreading the Te nanowires on a water phase interface to form a single-layer film, and transferring the single-layer film to the photoetching substrate in the step S2 through dip-coating; s4, soaking the assembled Te nanowire sample in acetone at normal temperature for one night, and removing the photoresist on the surface of the substrate; the method disclosed by the invention has the advantages that the assembled Te nanowires are good in orientation and tidy and dense in arrangement.

The invention relates to a novel method of producing hetero-oligomeric pores. The invention also relates to hetero-oligomeric pores produced using the method and polynucleotide characterisation using the hetero-oligomeric pores.