2159 results about "Nanostructure" patented technology

The invention relates to a preparation method of a high-durability multifunctional super-hydrophobic coating. According to the method, a mixed solution of an adhesive and hydrophobic modified nanoparticles is subjected to phase separation through non-solvent induction, so that the hydrophobic modified nanoparticles are coated on the outer layers of adhesive particles to form a uniform suspension, and finally, a micro-nano structure dispersed on the surface and inside of a coating can be obtained. After the surface layer is worn, the newly exposed surface still has an excellent micro-nano structure, namely super-hydrophobic performance; on the other hand, the nanotubes (wires) are added into the suspension, so that the mutual connection among the adhesive particles is further enhanced, and finally, the firm super-hydrophobic coating can be obtained. The super-hydrophobic coating provided by the invention has excellent durability, chemical stability, ultraviolet resistance and thermal stability, and functions of photo-thermal, electric heating, antibiosis, easy deicing, high thermal conductivity and the like, is suitable for various base materials, and is easy to realize large-scale preparation.

The invention provides a flexible palladium film hydrogen sensor and a preparation method thereof, the flexible palladium film hydrogen sensor is sequentially provided with a flexible substrate, a hydrogen sensitive sensing layer and a contact connection layer from bottom to top, and the contact connection layer is connected with a resistance measurement unit; and the hydrogen-sensitive sensing layer is a palladium or palladium alloy film with a conical micro-nano structure. The palladium or palladium alloy thin film with the conical micro-nano structure provides a hydrogen sensor conical surface micro-nano structure with a high specific surface area for the flexible palladium thin film hydrogen sensor, and the process that hydrogen is adsorbed, dissolved and diffused into the palladium or palladium alloy thin film is accelerated, so that the response speed of the sensor is increased; according to the hydrogen sensor, the flexible substrate is adopted, so that the hydrogen sensor can be conveniently arranged in various narrow spaces, and the applicability of the hydrogen sensor in various scenes is improved.

The invention discloses a total-space near-far field regulation and control method based on a coherent pixel super-structure surface. The method comprises the following steps: 1) constructing a nano-structure unit and a super-unit; 2) optimizing the structural parameters of the nano-structure unit according to the incident light wavelength lambda, and verifying the regulation and control effects of the super-unit I and the super-unit II; and 3) constructing a nano-structure array, wherein the nano-structure array comprises a plurality of super-units I and super-units II. Left-handed / right-handed circularly polarized light is set to be incident to the surface of the single-layer metastructure, binary nano printing of an image is achieved in a near field, and near-field nano printing intensities in a transmission space and a reflection space are complementary; different holographic patterns are respectively presented in the far-field transflective space, and the far-field transflective channels are regulated and controlled by mutually independent and continuous phases. By properly designing the single-layer nano brick, continuous and independent phase control of reflection and transmission spaces can be realized without additional equipment, far-field holographic imaging and near-field nano printing can be realized, and the single-layer nano brick can be applied to the fields of depth detection, three-dimensional imaging, optical encryption, high-resolution image storage and the like.

The invention belongs to the technical field of SERS (Surface Enhanced Raman Scattering) substrate preparation, and particularly relates to a preparation method of an array micropore SERS substrate with a nano-structure inner wall, which comprises the following steps: analyzing the propagation mode of light in micropores with the nano-structure inner wall and the correlation between the micropore size and the light capture capability; a micropore unit is constructed on the surface of an SERS substrate material, and the bottom and the side wall of a micropore form a nanoscale rough surface with stacked pits; through high-consistency precision control, an N * N array micropore structure is formed on the surface of the SERS substrate material; sputtering a layer of gold film on the surface of the array micropore structure; carrying out absorbance test; evaluating the SERS activity through a Raman spectrum; the minimum trace detection limit of the SERS substrate is obtained, and preparation of the SERS substrate is completed. According to the invention, synchronous construction of array micropores and a nano structure is applied, so that the SERS substrate has a light trapping effect, and the utilization rate of an excitation laser beam for testing by the surface of the substrate is improved.

The invention discloses a biomass-based reinforcing agent for paper and application of the biomass-based reinforcing agent. The reinforcing agent comprises a biomass-based material, the biomass-based material comprises a micron-sized structure and a nano-sized structure distributed on the micron-sized structure. The reinforcing agent prepared by the invention has abundant nanostructures, is beneficial to physical crosslinking such as entanglement and bridging of fibers in paper pulp, and improves the wet strength of paper; the preparation of the reinforcing agent is a simple physical process, and a complex synthesis chemical process for synthesizing a polymer in a traditional organic reinforcing agent is avoided; the reinforcing agent is prepared by a dissolution regeneration method, so that the energy consumption is low, the solvent can be recycled and reused, no chemicals are consumed, and the reinforcing agent is environment-friendly; the reinforcing agent prepared by the invention can achieve a satisfactory wet strength effect at a lower content.

The invention provides a chiral super-structure surface and a dynamic regulation and control method for circular dichroism of the chiral super-structure surface, and belongs to the technical field of micro-nano optics. The chiral metasurface can perform differential absorption on vertically incident left-handed circularly polarized light and right-handed circularly polarized light. The chiral metasurface comprises: a substrate layer; the optical waveguide layer is arranged on the substrate layer; the nano structure layer is arranged on the optical waveguide layer and comprises a plurality of Z-shaped nano units which are periodically arranged in a square shape; and the hydrogel layer is arranged on the optical waveguide layer and the plurality of Z-shaped nano units and is used for dynamically regulating and controlling the circular dichroism of the chiral super-structure surface when the environment humidity changes. Under the condition that high circular dichroism of the chiral super-structure surface is achieved, the circular dichroism of the chiral super-structure surface is made to move when the environment humidity changes, and therefore the circular dichroism of the chiral super-structure surface is dynamically regulated and controlled.

A method for producing an abrasion-resistant nanostructure (40) on a surface (5) of a support body (2) is proposed in order to permanently provide the support body (2) with advantageous surface effects. The method can be used, in particular, to permanently anchor nanostructures (40) to a surface (5) in an abrasion-resistant manner. For this purpose, in a first process step A, the nanostructure (40) is first applied to or produced on the surface (5), in particular by growing it. In a subsequent process step B, the nanostructure (40) produced in step A is then permanently and abrasion-resistantly bonded to the surface (5) by means of a separate embedding layer (20). For this purpose, the embedding layer (20) is produced separately from the already produced nanostructure (40) on, in particular on and / or in, the surface (5).The embedding layer (20) only partially covers the nanostructure (40), so that surface properties of the nanostructure (40) can be at least partially preserved. At the same time, the embedding layer (20) anchors the nanostructure (40) to the surface (5), whereby the embedding layer (20) can grow into the support body (2), in particular through the nanostructure (40).

The invention discloses a TGV through hole filling method based on magnetic field assisted electrochemical deposition, and belongs to the technical field of TGVs. According to the method, the filling quality of the TGV through hole is remarkably improved, the void ratio is reduced, and the packaging reliability is improved; magnetic field assistance and gradient pulse electroplating processes are adopted, so that the electroplating efficiency is improved, and the production period is shortened; meanwhile, due to nanostructure modification and the design of the TiN transition layer, the adhesive force between metal and the hole wall of the glass is enhanced, and the stability of the overall structure is improved.

The invention discloses a metasurface optical element and a design method, device and system thereof. The method comprises the following steps: acquiring sample data; processing the sample data based on the metasurface optical element under the current configuration parameters to obtain optical modulation data; inputting the optical modulation data into a prediction model to obtain a first prediction result; determining a loss function according to the first prediction result and the labeling information of the sample data; updating configuration parameters of the metasurface optical element according to the loss function, or updating both the configuration parameters of the metasurface optical element and model parameters of the prediction model until the loss function converges; wherein updating of the configuration parameters of the metasurface optical element comprises the step of shifting the position coordinates of the at least one nanostructure unit. According to the method provided by the invention, the nano-structure units can be freely distributed on the metasurface optical element and are not limited by the center position of a fixed grid region, so that the precision and flexibility of metasurface phase modulation are improved.

The invention discloses a heat-resistant aluminum rare earth alloy wire containing a two-phase nanostructure and a preparation method of the heat-resistant aluminum rare earth alloy wire, and belongs to the field of non-ferrous metal materials. According to the alloy, aluminum serves as a matrix, and the alloy further comprises, by mass, 0.005%-0.2% of Ce, 0.05%-0.25% of Er, 0.05%-0.25% of Yb, 0.1%-0.2% of Zr and 0.05%-0.2% of Fe. The alloy wire prepared by combining two-stage homogenization, hot extrusion and cold drawing processes contains an Al3 (RE, Zr) nano precipitated phase and a nanoscale Al13Fe4 dispersed phase, the inner layer of the Al3 (RE, Zr) nano precipitated phase is Al3RE, and the outer layer of the Al3 (RE, Zr) nano precipitated phase is Al3Zr; and the nanoscale Al13Fe4 dispersed phase is a nano precipitated phase formed by sequentially coating the outer layer of an Al13Fe4 phase with an Al3RE structure and an Al3Zr structure. The alloy provided by the invention has excellent strength, high-temperature service stability and conductivity.

The invention discloses a nanostructure thermal protection coating resistant to long-time high-temperature oxidation and a preparation method thereof.The nanostructure thermal protection coating takes a ceramic matrix composite material as a matrix, and a bonding layer and a composite component coating are sequentially sprayed to the surface of the matrix. Preparing a nano-structure self-healing additive / Re2Si2O7 spherical powder body; preparing a bonding layer on the surface of the ceramic-based composite material serving as a matrix; and 3, depositing the nano-structure self-healing additive / Re2Si2O7 spherical powder on the surface of the bonding layer to form the composite component coating. According to the preparation method, the self-healing additive / Re2Si2O7 is prepared into the nano-structure spherical powder suitable for thermal spraying for the first time, and a method is provided for implementation of the high-performance material on a thermal spraying nano-structure coating. The prepared coating is stable in phase structure at high temperature, phase change of powder is avoided in the spraying process, and the coating has good thermal expansion coefficient matching performance with a base body.

A semiconductor structure includes a substrate; first nanostructures suspended over and vertically arranged over the substrate; a first gate structure wrapped around each of the first nanostructures; and gate spacers formed on opposite sides of the first gate structure and over a topmost one of the first nanostructures. The semiconductor structure further includes first source / drain features attached to opposite sides of the first nanostructures; and a first bottom dielectric layer formed over the substrate and below the first nanostructures. The first bottom dielectric layer is vertically sandwiched between the substrate and the first gate structure.

Provided are systems, methods, and apparatuses for non-scattering nanostructures of silicon pixel image sensors. In one or more examples, the systems, devices, and methods include forming a metal layer on a substrate layer of the pixel, the metal layer to reflect electromagnetic radiation incident on the pixel; forming a photodetector on a silicon layer of the pixel, the photodetector to generate photoelectrons based on the electromagnetic radiation; and forming a passivation layer over the silicon layer, the passivation layer including a thin film dielectric. In one or more examples, the systems, devices, and methods include forming a nanostructure on the passivation layer, the nanostructure to allow the electromagnetic radiation to pass through the nanostructure and steer the electromagnetic radiation linearly towards the photodetector, and forming a microlens on the nanostructure, the microlens including at least one of a flat coat layer or a curved lensing layer.

The invention relates to an amniotic membrane mirror manufacturing method which comprises the following steps: S1, performing transparency and shape fixing treatment on an amniotic membrane to obtain a spherical amniotic membrane area; s2, the super oxygen permeable material is subjected to casting plasticity to obtain a transition area and a landing area which are integrated, and the landing area surrounds the transition area; wherein the transition area is aspheric and the vertical projection of the transition area is annular, and the landing area is spherical and the vertical projection of the landing area is annular; s3, a plurality of fluid channels which are arranged in a crossed mode are etched in the top of the transition area, and the multiple fluid channels form a latticed path body extending in the circumferential direction of the transition area; s4, forming a plurality of uniformly arranged nano structures in each grid region of the path main body to form a connection path; s5, the fluid channel is filled with a biocompatible adhesive, the amniotic membrane area is placed on the transition area, and the bottom edge of the amniotic membrane area abuts against the connecting path; the method has the beneficial effects that on the basis of ensuring the biological characteristics of the amniotic membrane area, the stable connection between the amniotic membrane area and the transition area is realized.

There is provided a method for producing graphene or a hollow carbon nanostructure such as hollow spherical, ellipsoidal and tubular nanostructures. The method comprises a) mixing together water, an organic solvent that is immiscible with water, and a surfactant to prepare a suspension of self-assembled surfactant templates, b) adding a monomer to the suspension, c) polymerizing the monomer to form a polymer on the self-assembled surfactant template, and d) decomposing the polymer into carbon, thereby forming graphene or the hollow carbon nanostructure. There is also provided crystalline twisted bilayer or few-layer graphene which can be produced by this method.

The invention provides a micro-nano optical fiber probe for biochemical component detection based on infrared spectroscopy and detection equipment, and a preparation method of the micro-nano optical fiber probe comprises the following steps: S1, selecting one section of a multimode quartz optical fiber as a sensing area, and then removing a cladding layer and a coating layer of the sensing area to expose a bare fiber; s2, dripping a mixed acid solution prepared from hydrofluoric acid and citric acid to the bare fiber to corrode the bare fiber, and then cleaning and blow-drying; immersing the treated multimode quartz optical fiber into a silane coupling agent solution, reacting for 0.5-1 hour, and then drying; s3, immersing the multimode quartz optical fiber treated in the step S2 into a solution containing silver nanoparticles, and reacting for 10-20 minutes to obtain an optical fiber modified by the silver nanoparticles; and S4, sputtering a gold layer on the surface of the silver-modified optical fiber by adopting a vacuum magnetron sputtering technology to obtain the micro-nano optical fiber probe with the silver-gold film layer. After the surface of the silver nanostructure is covered with the gold film, oxygen, water, corrosive molecules and the like are effectively prevented from making direct contact with silver. In addition, both the gold and the silver can support a surface plasmon resonance (SPR) effect, and particularly, the prepared detection equipment can ensure the sensitivity of the SPR.

The invention discloses a two-dimensional bionic nanostructure assembled based on receptor-ligand acting force and a preparation method of the two-dimensional bionic nanostructure. The core characteristic of the two-dimensional bionic nanostructure is that the ultrafine particles modified by ligand molecules are anchored on the surface of a cell membrane fragment with a corresponding receptor expressed on the surface through a receptor-ligand effect, so that uniform compounding of the ultrafine particles and the cell membrane is realized; the bottlenecks of low compounding efficiency, functional site masking and the like caused by high surface curvature of small-size particles in the traditional cell membrane complete wrapping technology are broken through. According to the preparation method disclosed by the invention, the binding force between the cell membrane and the ultramicro particles is stronger, the off-target phenomenon of the ultramicro particles in the in-vivo circulation process can be avoided, the response release of the ultramicro particles under the competition effect in a lesion region expressed by a high-abundance receptor can be realized, and the preparation method has a good application prospect in the aspect of precise drug delivery. Meanwhile, the in-vivo circulation time of the ultrafine particles is prolonged by membrane loading, the biocompatibility of the ultrafine particles is improved, and the effectiveness and low toxicity of a drug delivery system are ensured.

The invention discloses a three-fluid three-dimensional flow guide spinning head, electrostatic spinning equipment and a batch preparation method of three-chamber embedded parallel structure nanofibers, three different fluids are synchronously guided into a high-voltage electrostatic field by simultaneously arranging a plurality of nozzle outlets with combined structures, and a plurality of complex combined nozzle outlets are used as macroscopic templates, so that the three-chamber embedded parallel structure nanofibers are prepared under the high-voltage electrostatic field. Through interaction of a high-voltage electrostatic field and fluids, batch preparation of the three-chamber embedded and column-structured nanofibers by multi-fluid common electrospinning is realized. The three spinning solutions are guided to a common outlet through the first series of metal capillary tubes, the second series of metal capillary tubes and the spinning solution insulating container respectively; the first series of metal capillary tubes and the second series of metal capillary tubes are respectively dispersed from respective capillary tube gathering inlets, penetrate through the interior of the spinning solution insulating container to the bottom of the spinning solution insulating container and vertically penetrate out to form a plurality of outlets which are parallel in pairs; a through hole outlet is formed in any parallel outlet at the bottom of the spinning solution insulating container to form a common outlet of the three spinning solutions, and the three-chamber embedded and arrayed nano structure is directly prepared in batches in a single step.

The invention relates to the technical field of optical materials and nano structures, in particular to an ultraviolet broadband light absorber based on graphene and a multi-layer periodic structure. The structure of the ultraviolet broadband light absorber sequentially comprises a graphene layer, a distributed Bragg reflection grating structure layer and a SiO2 substrate at the bottom from top to bottom. The preparation process of the ultraviolet broadband light absorber comprises the following steps: preparing the graphene layer; a SiO2 layer is deposited; depositing a TiO2 layer; carrying out multi-layer superposition; adding a graphene layer; and completing the device. The light absorption efficiency of graphene in the ultraviolet band is greatly improved, broadband efficient absorption within the wavelength range of 240-370 nm is achieved, the highest absorption rate can reach 99.75%, the absorber is not sensitive to polarization, the preparation process is simple, and technical support is provided for design of the efficient ultraviolet absorber.

A near-far field encryption method based on singular point amplitude characteristics comprises the following steps: 1) constructing a nano structure unit which is composed of a substrate and nano bricks deposited on the substrate; 2) optimizing parameters: optimizing the structural parameters of the nano brick through CST electromagnetic simulation software according to the selected working wavelength; 3) determining the structural parameters of the EP, and determining a singular point EP by using CST electromagnetic simulation software by changing the structural parameters of the nano brick; 4) determining phase distribution of the two holographic images IA and IB; (5) arranging a nanostructure array: according to the phase distribution of the two holographic images IA and IB determined in the step (4), obtaining a PB phase by changing the rotating angles of the two nano bricks to meet the phase distribution; (6) observing the nano array arranged in the step (5), enabling RCP light to enter from the front surface of the metasurface, detecting a first hologram IA on a reflecting surface, and displaying a pattern IC in a near field; lCP light is incident from the front surface of the metasurface, a second hologram IB can be detected on the reflecting surface, and a complementary pattern of the pattern IC is displayed in a near field. The method is ingenious in design, the phase information of the unit structure is manipulated, the near-field pattern is achieved through the amplitude difference, and the method can be used for simultaneous encryption of the near field and the far field.

The invention provides a preparation method of a TiO2 / Au-C3N4 heterojunction photoelectrochemical biosensor and an application of the TiO2 / Au-C3N4 heterojunction photoelectrochemical biosensor. Comprising the following steps: step 1, preparing TiO2 / FTO; step 2, preparation of TiO2 / Au-C3N4 (titanium dioxide / Au-C3N4); step 3, preparing a nucleic acid aptamer; and step 4, using the confining liquid mercaptohexanol. The preparation method comprises the following steps: firstly, preparing a TiO2 thin film by an electrophoretic deposition method, and then combining the TiO2 thin film with graphite phase carbon nitride (g-C3N4) doped with high-conductivity noble metal gold nanoparticles (Au NPs) to form a heterojunction; under an illumination condition, Au NPs and photons interact to generate a regional surface plasma resonance phenomenon, and a strong electromagnetic field and high-concentration high-energy carriers are formed on the surface of the nano structure in the process, so that the photocurrent response of the composite material is remarkably enhanced; besides, the introduced Au NPs can also form an Au-S bond with the DNA aptamer containing the-SH group, and more binding sites are provided, so that the capture capability of the aptamer is enhanced.

The invention discloses a design method for realizing a virtual polarization element, relates to the field of optical device design, and aims to solve the problems of large size, difficulty in integration and limited regulation and control capability of a traditional polarization device. According to the method, a virtual polarization function (including a Jones matrix and an additional phase) is preset on a target plane, a plane wave weighting factor is solved through high-dimensional Fourier transform, and source plane light field distribution is generated through superposition. The metasurface is used as a platform, and accurate mapping from a source plane Jones matrix to a device structure is realized by adjusting geometric parameters of a nanostructure and combining a double-matrix holography. According to the design scheme, a polarization state with controllable spatial distribution can be generated as required in a two-dimensional plane at any propagation distance, and additional phase information can be flexibly superposed, so that the flexibility, precision and integration capability of light field regulation and control are remarkably improved, and technical support is provided for applications such as new-generation lens-free imaging, polarization coding communication, light field synthesis and the like.

Interbody implants formed by disposing a polymeric body between superior and inferior metallic endplates and the methods of forming the implants are disclosed. In some embodiments, the interbody implant comprises a plurality of porous and non-porous metallic sheets that are bonded to form metallic endplates. In various embodiments, a polymeric body may be infilled between the superior metallic endplate and inferior metallic endplate by an injection molding process. In various embodiments, the metallic endplates may comprise a plurality of grooves produced by a subtractive manufacturing process. In various embodiments, the metallic endplates may further comprise providing a surface treatment to produce nanoscale metallic oxide nanostructures.

The invention discloses a design and implementation method of a near-infrared light-splitting super lens, and relates to the technical field of super lenses. The super lens is composed of a rotational symmetric structure, so that polarization insensitivity is achieved, incident broadband light can be dispersed to different positions of the same focal plane according to different wavelengths through ingenious optical design, an effective light splitting effect is achieved, and the polarization insensitivity of the super lens is improved by adjusting geometric parameters and shapes of the super lens nano structure units. The positions of light with different wavelengths on a focal plane can be accurately controlled; in the optimization process, a particle swarm optimization algorithm is adopted to reduce errors, and performance attenuation and optical distortion caused by dispersion can be effectively reduced by adjusting dispersion characteristics and geometric parameters of the nano-structure units, so that the precision and reliability of light splitting are improved, and the light splitting precision is improved. The identification capability of the laser detection system is greatly improved, and integration and miniaturization are realized.

The invention discloses an azobenzene polymer material and an application of the azobenzene polymer material in nanoimprint lithography. The azobenzene polymer is prepared by adopting a one-step simple ring-opening metathesis polymerization method, is endowed with excellent thermal stability and light stability, and can keep excellent performance under the conditions of high temperature and sunlight irradiation. Compared with the traditional nanoimprint photoresist, the nanoimprint photoresist provided by the invention has higher stability and precision in the nanoimprint process, can effectively reduce the problems of distortion, blurring and the like of an imprint pattern, and ensures the accuracy of nanostructure transfer printing. The finished product quality and the production efficiency are improved, and meanwhile, the uncertainty and the cost in the manufacturing process are reduced.

A composite, comprising a binder, the binder comprising one or more of polymeric, metallic, or ceramic, or pyrolytic carbon binder and a nanostructured carbon having a cellular structure. The cellular structure comprises one or more cell walls having a structure formed by a template and one or more cavities. Each cavity is substantially enclosed by the one or more cell walls and substantially unimpregnated by a liquid or solid.

The invention discloses a preparation method of an ultra-infiltration nano coating, and relates to the field of ultra-infiltration nano coatings, and the preparation method comprises the following steps: S1, base material pretreatment, S2, nano material dispersion liquid preparation, S3, coating: adopting an impregnation method, a spraying method or a spin-coating method to attach the nano material dispersion liquid prepared in the step S2 to the surface of the base material pretreated in the step S1, and S4, low-temperature curing to obtain the ultra-infiltration nano coating. And S5, surface modification: carrying out hydrophobic modification or hydrophilic modification on the base material subjected to low-temperature curing in the step S4 according to the type of the base material. The effect of enhancing the adhesive force of the base material and the coating is achieved through the means of pretreating the base material, it is ensured that nano particles of the dispersion liquid are always uniformly dispersed through preparation of the nano material dispersion liquid and the coating, coating is conducted through proper methods such as dipping, spraying and spin coating, and then low-temperature curing is conducted; the effect of constructing a stable porous nano-structure coating with excellent performance is achieved, and meanwhile, different requirements are met through multiple coating modes.

The invention discloses a method for realizing near-far field multichannel image encryption based on a chiral metasurface. The method comprises the following steps: 1) constructing a chiral nanometer unit structure; 2) determining incident light wavelengths lambda1 and lambda2 through scanning unit structure parameters; and 3) constructing a nano-structure array, wherein the nano-structure array comprises a plurality of nano-structure units. According to the invention, for incident light with different wavelengths and polarization states, multi-channel near-far field geographic imaging can be realized, and the device has the characteristics of simple structure and easy integration, and has potential application value in multifunctional metasurface image encryption.

The invention discloses a deoxidizer for metal smelting and a preparation process thereof, and belongs to the technical field of steel for high-strength fasteners, and the deoxidizer comprises aluminum powder, silicon powder, titanium powder, zirconium powder and carbon-coated lanthanum nano powder in a mass ratio of (45-50): (20-25): (15-20): (8-12): (0.2-0.4). In a sol crystallization stage, lanthanum nitrate and a composite ligand form a directionally growing metal organic framework under the assistance of an external field, and a regular pore structure of the metal organic framework provides a nano-scale template for subsequent carbon coating, so that the decomposed organic ligand is gradually carbonized in a segmented heating process and forms a gradient structure; the low-temperature section promotes the carbon layer to be converted from an amorphous state to an ordered state so as to enhance the electron conduction capability, and the high-temperature section forms a through mesoporous network through external energy etching, so that excessive agglomeration of lanthanum nanoparticles is limited, and a controllable release channel is constructed. The preheating and pre-pressurizing process provides support for the nanostructure on the macroscopic scale, and the aluminum powder is softened through low-temperature plastic deformation to fill gaps of the titanium-zirconium powder, so that a compact initial blank structure is formed.

A nucleic acid nanostructure is provided that comprises a plurality of component modules, each component module comprising a nucleic acid sequence and at least one membrane anchor. The plurality of component modules are capable of undertaking a controlled assembly in response to an external stimulus to form the nanostructure and also to penetrate a semifluid membrane upon or following the controlled assembly. Methods of assembling the nanostructure as well as uses in sensors, drug delivery and release of imaging substances are also provided.