Abstract: There is provided a method for preparing a three-dimensional nanostructure using nanoparticles, which includes: a step of surface-treating a patterned pattern substrate with a polymer; a step of coating colloidal nanoparticles on the polymer; a step of removing an unwanted nanoparticle coating layer; a step of bonding a carrier substrate having adhevisity to the nanoparticle coating layer; a step of separating the nanoparticle coating layer from the pattern substrate by separating the carrier substrate from the pattern substrate; and a step of forming a nanoparticle layer on a target substrate by contacting the carrier polymer with the target substrate and then removing the carrier polymer by immersing the carrier polymer in a solution.

Abstract: Disclosed are a hollow component, a method for manufacturing a hollow component, and a device for manufacturing a hollow component. The method for manufacturing a hollow component according to an embodiment of the disclosure includes a first operation of molding a first injection-molded component, a second operation of molding a second injection-molded component, a third operation of causing the first injection-molded component and the second injection-molded component to face each other, a fourth operation of approaching the first injection-molded component and the second injection-molded component, and a fifth operation of coupling the first injection-molded component and the second injection-molded component. A fastening boss of the first injection-molded component is press-fitted into a fastening hole of the second injection-molded component in the fifth operation.

Abstract: Disclosed herein are an electrode with a three-dimensional structure comprising two or more layers of nanowire array layer in which first and second nanowires of different materials, and imaginary third nanowires composed of air, are arranged side by side, in which nanowires in one layer are crossed by nanowires in an adjacent layer, a method of manufacturing the electrode, an anode for a solid oxide fuel cell having the structure described above, and a solid oxide fuel cell including the anode.

Abstract: A multimodal sensor of high sensitivity and high selectivity using multifunctional three-dimensional nanostructure having electric and optical sensing ability and a method thereof are provided. The method includes forming multi-layered nanowires including a multifunctional material, transferring the nanowires to a plurality of layers onto a target substrate to form the three-dimensional nanostructure, heat-treating the three-dimensional nanostructure, and forming electrode layers at the three-dimensional nanostructure.

Abstract: The present disclosure relates to a quantum dot film including a self-assembled block copolymer, and a quantum dot bonded to the block copolymer, wherein the film has pores with an average diameter of 100-3000 nm inside.

Abstract: A multimodal sensor of high sensitivity and high selectivity using multifunctional three-dimensional nanostructure having electric and optical sensing ability and a method thereof are provided. The method includes forming multi-layered nanowires including a multifunctional material, transferring the nanowires to a plurality of layers onto a target substrate to form the three-dimensional nanostructure, heat-treating the three-dimensional nanostructure, and forming electrode layers at the three-dimensional nanostructure.

Abstract: A nanotransfer printing method, including the steps of coating a polymer thin film on a template substrate where a surface pattern is formed, fabricating the polymer thin film into a thin-film replica mold by using the polymer thin film and an adhesive film, forming nanostructures on the thin-film replica mold, selectively weakening an adhesive force between the adhesive film and the thin-film replica mold, and transferring the nanostructures into a target object, is provided.

Abstract: The present disclosure relates to a quantum dot film including a self-assembled block copolymer, and a quantum dot bonded to the block copolymer, wherein the film has pores with an average diameter of 100-3000 nm inside.

Abstract: A fuel cell may include a fuel supply unit for supplying hydrogen to a fuel cell stack; an air supply unit for supplying air to the fuel cell stack; and the fuel cell stack that generates energy using hydrogen and air supplied from the fuel supply unit and the air supply unit, wherein the fuel cell stack has a mesh structure and comprises a conductive polymer electrode containing about 0.1 to 1 wt % of polyethylene oxide (PEO) having a molecular weight of about 1,000 to 6,000 kg/mol.

Abstract: The present invention provides an all-solid ion battery having improved stability and power characteristics and comprising: a powder-form solid electrolyte; a powder-form electrode active material; a first conductive polymer coating film coated on at least a portion of the solid electrolyte and capable of transporting ions; and a second conductive polymer coating film coated on at least a portion of the electrode active material and capable of transporting ions and electrons.

Abstract: A nano-structured block copolymer that includes a self-assembled block copolymer disposed on a substrate, wherein the block copolymer includes a plurality of block structural units, and at least two block structural units have a solubility parameter difference of greater than or equal to about 5 megaPascal1/2.

Abstract: A method of manufacturing a nanocatalyst for a fuel cell electrode, capable of carrying metal catalyst nanoparticles on a polymer carrier without using a carbon carrier, includes steps of impregnating a conductive polymer carrier with a metal catalyst precursor solution; vacuum-drying the conductive polymer carrier; and heat-treating the conductive polymer carrier at a temperature of 160 to 300° C.

Abstract: A fuel cell may include a fuel supply unit for supplying hydrogen to a fuel cell stack; an air supply unit for supplying air to the fuel cell stack; and the fuel cell stack that generates energy using hydrogen and air supplied from the fuel supply unit and the air supply unit, wherein the fuel cell stack has a mesh structure and comprises a conductive polymer electrode containing about 0.1 to 1 wt % of polyethylene oxide (PEO) having a molecular weight of about 1,000 to 6,000 kg/mol.

Abstract: Provided is a diblock copolymer comprising a first block having a repeating unit represented by the following Chemical Formula 1, and a second block having a repeating unit represented by the following Chemical Formula 2:

Abstract: Provided is a method of forming fine patterns capable of minimizing LER and LWR to form high quality nanopatterns, by using a block copolymer having excellent etching selectivity.

Abstract: Provided is a method of forming fine patterns capable of minimizing LER and LWR to form high quality nanopatterns, by using a block copolymer having excellent etching selectivity.

Abstract: Provided is a diblock copolymer comprising a first block having a repeating unit represented by the following Chemical Formula 1, and a second block having a repeating unit represented by the following Chemical Formula 2:

Abstract: The present invention provides an all-solid ion battery having improved stability and power characteristics and comprising: a powder-form solid electrolyte; a powder-form electrode active material; a first conductive polymer coating film coated on at least a portion of the solid electrolyte and capable of transporting ions; and a second conductive polymer coating film coated on at least a portion of the electrode active material and capable of transporting ions and electrons.

Abstract: The present invention relates to a method for forming a silicon oxide nanopattern, in which the method can be used to easily form a nanodot or nanohole-type nanopattern, and a metal nanopattern formed by using the same can be properly applied to a next-generation magnetic recording medium for storage information, etc., a method for forming a metal nanopattern, and a magnetic recording medium for information storage using the same. The method for forming a silicon oxide nanopattern includes the steps of forming a block copolymer thin film including specific hard segments and soft segments containing a (meth)acrylate-based repeating unit on silicon oxide of a substrate; conducting orientation of the thin film; selectively removing the soft segments from the block copolymer thin film; and conducting reactive ion etching of silicon oxide using the block copolymer thin film from which the soft segments are removed, as a mask to form a silicon oxide nanodot or nanohole pattern.

Abstract: A nanotransfer printing method, including the steps of coating a polymer thin film on a template substrate where a surface pattern is formed, fabricating the polymer thin film into a thin-film replica mold by using the polymer thin film and an adhesive film, forming nanostructures on the thin-film replica mold, selectively weakening an adhesive force between the adhesive film and the thin-film replica mold, and transferring the nanostructures into a target object, is provided.