Abstract: In a method for fabricating an air bridge, an air bridge brace structure is formed on a substrate. A continuous air bridge material layer is formed over the air bridge brace structure and the substrate. One or more openings are formed in the continuous air bridge material layer to reveal portions of the air bridge brace structure. A bridge brace material of the air bridge brace structure is removed through the one or more openings to obtain the air bridge. The air bridge includes the substrate and an air bridge structure that is disposed on the substrate. The air bridge structure includes the one or more openings. The one or more openings includes a first opening configured to pass through an etchant used to remove the bridge brace material. The one or more openings includes a second opening configured to pass through the bridge brace material removed by the etchant.

Abstract: A high-power bidirectional-driven bionic muscle fiber as well as a preparation method and use thereof are provided. The bionic muscle fiber includes a matrix fiber and an object material layer coating the matrix fiber, where the matrix material is capable of emitting heat after electrification, and the object material layer includes a liquid crystal elastomer (LCE); the bionic muscle fiber is excessively twisted to form a helical barrel-like structure. The bionic muscle fiber provided by the present application improves the mechanical property of the LCE, shows large work capability and drive quantity, and has an realize rapid response and work at high frequency. The contraction of the fiber can be controlled by changing voltage. Furthermore, the bionic muscle fiber exhibits a bidirectional driving feature that can recover without stress. In addition, the cyclic work of the fiber is greater than zero.

Abstract: A method for improving interfacial adhesion of an organic solar cell and an organic solar cell are provided. An elastomer interface layer, which is formed by thermoplastic elastomers, is arranged between at least two adjacent functional layers in the organic solar cell, or, the upper and lower interfaces of at least one functional layer have an enrichment layer formed by enrichment of thermoplastic elastomers. The method includes: arranging an elastomer interface layer at least two adjacent functional layers, or, enriching thermoplastic elastomers at the upper and lower interfaces of at least one functional layer to form an enrichment layer. According to the present application, the thermoplastic elastomers enriched at the interfaces, or the thermoplastic elastomers used as interface layers alone serve as glue between functional layers. The method is simple in process, large in doping window, and small in thickness dependence when independent film formation.

Abstract: A preparation method of an aerogel fiber and use are provided. The preparation method includes: mixing a solvent and a polymer material to form a spinning solution; driving the spinning solution with a high-speed airflow by using a blow spinning technology to form a jet flow, and forming a gel fiber through sol-gel transition; and performing solvent replacement on the gel fiber and then performing drying treatment to prepare the aerogel fiber. The method for preparing the aerogel fiber through blow spinning has no high requirements on a gelation process of an aerogel material, and can achieve the preparation of the aerogel fiber by using this method after the spinning solution meeting rheological conditions is obtained, thereby avoiding the influence of the inadequate gelation process on fiber properties while promoting the production efficiency of the aerogel fiber and greatly simplifying procedures.

Abstract: A device and method for preparing an aligned carbon nanotube (CNT) fiber through electrochemical stretching. The method comprises: constructing an electrochemical reaction system by using an original CNT fiber as a working electrode stretching, a counter electrode, a reference electrode, and an electrolyte, applying a selected stretch stress to the original CNT fiber for electrochemical stretching while powering on the electrochemical reaction system so that ions in the electrolyte are embedded into the original CNT fiber, and the orientation of the carbon nanotube is generated due to the action of the stretch stress under the state of expansion; and powering off the electrochemical reaction system while maintaining the application of the selected stretch stress, so that the ions in the electrolyte are released, thereby obtaining a highly aligned CNT fiber.

Abstract: An electrochemical artificial muscle system and an electrochemical artificial muscle testing device are provided. The electrochemical artificial muscle system includes a working electrode including a conductive yarn having a helical structure; a counter electrode containing selected metal elements; an electrolyte including an ionic liquid containing selected ions, the selected ions including the selected metal elements; where the working electrode and the counter electrode are all in contact with the electrolyte. The artificial muscle system based on an aluminum ion battery system has a contractile retention (catch state) characteristic, i.e., artificial muscle yarns contract when a voltage is applied, and after the voltage is removed, the contraction state of the artificial muscle yarn is remained, within almost no any decay within 450 s.

Abstract: The present invention discloses a manufacturing method of a solar cell, including: forming an electricity generation layer on a substrate; forming an ohmic contact layer on a surface of the electricity generation layer facing away from the substrate; forming a back electrode on a surface of the substrate facing away from the electricity generation layer; and forming a top electrode on a surface of the ohmic contact layer facing away from the electricity generation layer using a printing process. The present invention discloses a solar cell. The present invention solves the problem of low capacity of the solar cell at present.

Abstract: The present application discloses a bionic neuromuscular fiber as well as a preparation method and use thereof. The bionic neuromuscular fiber comprises a carbon nanotube fiber core, an intermediate layer, a substrate layer and a sensing layer which are coaxially and successively sheathed from inside to outside, and is twisted to form a helical shape; the intermediate layer and the substrate layer are both made of polymer materials, and the thermal expansion coefficient of the intermediate layer is larger than that of the substrate layer; the sensing layer comprises a carbon-based conductive material at least containing MXene.

Abstract: This disclosure includes a method for fabricating an air bridge, an air bridge structure, and a superconducting quantum chip, and relates to the field of circuit structures. In some examples, a method for fabricating an air bridge includes forming an air bridge brace structure on a substrate, and forming, on the air bridge brace structure and the substrate, an air bridge material layer with one or more openings in the air bridge material layer that reveal the air bridge brace structure. The air bridge material layer with the one or more openings is formed based on a patterned photoresist layer with patterns corresponding to the one or more openings. The method further includes removing, based on the one or more openings in the air bridge material layer, the air bridge brace structure to obtain the air bridge having the one or more openings.

Abstract: An in-situ hydrophobically modified aramid nano aerogel fiber as well as a preparation method and uses thereof are provided. The preparation method includes: providing an aramid nano spinning solution; preparing a hydrophobically modified aramid nano aerogel fiber by using a spinning technology, wherein the coagulating bath adopted by the spinning technology includes a first organic solvent and a halogenated reagent including a monochloroalkane, a monochloroalkane, a dibromoalkane, a dichloroalkane and a trichloroalkane; and then drying to obtain the in-situ hydrophobically modified aramid nano aerogel fiber. The in-situ hydrophobically modified aramid nano aerogel fiber has a unique three-dimensional porous network structure, low heat conductivity, high porosity, high tensile strength and elongation at break, a certain spinnability and structure stability, and can be applied to the field of textiles. A fabric knitted with the hydrophobic fibers has a self-cleaning ability.

Abstract: A high-power bidirectional-driven bionic muscle fiber as well as a preparation method and use thereof are provided. The bionic muscle fiber includes a matrix fiber and an object material layer coating the matrix fiber, where the matrix material is capable of emitting heat after electrification, and the object material layer includes a liquid crystal elastomer (LCE); the bionic muscle fiber is excessively twisted to form a helical barrel-like structure. The bionic muscle fiber provided by the present application improves the mechanical property of the LCE, shows large work capability and drive quantity, and has an realize rapid response and work at high frequency. The contraction of the fiber can be controlled by changing voltage. Furthermore, the bionic muscle fiber exhibits a bidirectional driving feature that can recover without stress. In addition, the cyclic work of the fiber is greater than zero.

Abstract: A method for transferring a carbon nanotubes aqueous phase dispersion into an organic phase dispersion includes: providing the carbon nanotubes aqueous dispersion; mixing the carbon nanotubes aqueous dispersion with a first solvent to obtain a first suspension, where the first solvent includes a hydrophilic organic solvent; mixing the first suspension with a second solvent to form two stratified phases, allow to obtain a second suspension, where the second solvent includes a hydrophobic organic solvent; mixing the second suspension with a third solvent to obtain a third suspension; and subjecting the second suspension or the third suspension to dispersion treatment to obtain a carbon nanotubes organic dispersion, thereby realizing solvent transfer of the carbon nanotubes dispersion from aqueous to organic phase. The method can transfer the carbon nanotubes aqueous dispersion into the organic dispersion, and the transfer efficiency is 70%-95%.

Abstract: A full-color reversible switching device controlled by electrochemistry, and its preparation method and use are provided. The device controlled by electrochemistry includes a color-changing layer, an electrolyte and a counter electrode. The color-changing layer includes a substrate, a conductive layer and an active material layer. The active material layer and the conductive layer form a physical interference color. The electrolyte is connected to the conductive layer or the active material layer. When an electrochemical reaction occurs between the electrolyte and a surface of the conductive layer or the active material layer, the thickness of the active material layer changes. The device controlled by electrochemistry has rich tunable colors that can cover the entire color gamut, and can achieve reversible switching of colors at a small voltage.

Abstract: A method for transferring a carbon nanotubes aqueous phase dispersion into an organic phase dispersion includes: providing the carbon nanotubes aqueous dispersion; mixing the carbon nanotubes aqueous dispersion with a first solvent to obtain a first suspension, where the first solvent includes a hydrophilic organic solvent; mixing the first suspension with a second solvent to form two stratified phases, allow to obtain a second suspension, where the second solvent includes a hydrophobic organic solvent; mixing the second suspension with a third solvent to obtain a third suspension; and subjecting the second suspension or the third suspension to dispersion treatment to obtain a carbon nanotubes organic dispersion, thereby realizing solvent transfer of the carbon nanotubes dispersion from aqueous to organic phase. The method can transfer the carbon nanotubes aqueous dispersion into the organic dispersion, and the transfer efficiency is 70%-95%.

Abstract: The present application discloses a vertical UMOSFET device with a high channel mobility and a preparation method thereof. The vertical UMOSFET device with a high channel mobility includes an epitaxial structure, and a source, a drain and a gate which match the epitaxial structure, where the epitaxial structure includes a first semiconductor, and a second semiconductor and a third semiconductor which are sequentially disposed on the first semiconductor, a groove structure matching the gate is also disposed in the epitaxial structure, and the groove structure continuously extends into the first semiconductor from a first surface of the epitaxial structure; a fourth semiconductor is also disposed at least between an inner wall of the groove structure and the second semiconductor, and the fourth semiconductor is a high resistivity semiconductor.

Abstract: A full-color reversible switching device controlled by electrochemistry, and its preparation method and use are provided. The device controlled by electrochemistry includes a color-changing layer, an electrolyte and a counter electrode. The color-changing layer includes a substrate, a conductive layer and an active material layer. The active material layer and the conductive layer form a physical interference color. The electrolyte is connected to the conductive layer or the active material layer. When an electrochemical reaction occurs between the electrolyte and a surface of the conductive layer or the active material layer, the thickness of the active material layer changes. The device controlled by electrochemistry has rich tunable colors that can cover the entire color gamut, and can achieve reversible switching of colors at a small voltage.

Abstract: The present application relates to a polypeptide albumin nanoparticle, a preparation method therefor, and an application thereof. The polypeptide albumin nanoparticle is formed by assembling a cationic amphiphilic polypeptide and an albumin. The hydrophobic part of the cationic amphiphilic polypeptide binds to the albumin, and the positive charges carried by the cationic amphiphilic polypeptide can interact with the negative charges on the surface of the albumin, so that the cationic amphiphilic polypeptide and the albumin are assembled to form the polypeptide albumin nanoparticle. In the polypeptide albumin nanoparticle, the cationic amphiphilic polypeptide and the albumin interact with each other, so that stability is improved, hemolytic toxicity is reduced, a high targeting property is provided, tumor cell oncosis can be induced, and the anti-tumor immune response of the body is induced, thereby achieving the effect of providing a high targeting property and efficiently killing tumor cells.

Abstract: A flexible boron nitride nanoribbon aerogel has an interconnected three-dimensional porous network structure which is formed by mutually twining and contacting boron nitride nanoribbons and consists of macropores having a pore diameter of more than 50 nm, mesopores having a pore diameter of 2-50 nm and micropores having a pore diameter of less than 2 nm. The preparation method of the flexible boron nitride nanoribbon aerogel includes the following steps: performing high-temperature dissolution on boric acid and a nitrogen-containing precursor to form a transparent precursor solution, preparing the transparent precursor solution into precursor hydrogel, subsequently drying and performing high-temperature pyrolysis to obtain the flexible boron nitride nanoribbon aerogel. The boron nitride nanoribbon aerogel has excellent flexibility and resilience and can withstand different forms of loads from the outside within a wide temperature range.

Abstract: This application relates to a solid-state electrolyte and a preparation method and application thereof, the solid-state electrolyte includes membrane material(s) and electrolyte salt(s), the organic phase of the membrane material(s) includes a three-dimensionally interconnected interface and has a specific interfacial area greater than or equal to 1×104 cm2/cm3, and the electrolyte salt(s) is dissolved in the organic phase.

Abstract: An in-situ hydrophobically modified aramid nano aerogel fiber as well as a preparation method and uses thereof are provided. The preparation method includes: providing an aramid nano spinning solution; preparing a hydrophobically modified aramid nano aerogel fiber by using a spinning technology, wherein the coagulating bath adopted by the spinning technology includes a first organic solvent and a halogenated reagent including a monochloroalkane, a monochloroalkane, a dibromoalkane, a dichloroalkane and a trichloroalkane; and then drying to obtain the in-situ hydrophobically modified aramid nano aerogel fiber. The in-situ hydrophobically modified aramid nano aerogel fiber has a unique three-dimensional porous network structure, low heat conductivity, high porosity, high tensile strength and elongation at break, a certain spinnability and structure stability, and can be applied to the field of textiles. A fabric knitted with the hydrophobic fibers has a self-cleaning ability.