Abstract: An electrode structure includes: a first nonconductive layer; a first conductive layer disposed on the first nonconductive layer; a second nonconductive layer disposed on the first conductive layer; a second conductive layer disposed on the second nonconductive layer; and a third nonconductive layer disposed on the second conductive layer, where at least one of the first conductive layer and the second conductive layer includes a two-dimensional conductive material.

Abstract: An electrode structure includes: a first nonconductive layer; a first conductive layer disposed on the first nonconductive layer; a second nonconductive layer disposed on the first conductive layer; a second conductive layer disposed on the second nonconductive layer; and a third nonconductive layer disposed on the second conductive layer, where at least one of the first conductive layer and the second conductive layer includes a two-dimensional conductive material.

Abstract: A composite thermoelectric material comprising a matrix comprising a thermoelectric semiconductor; and a nanoscale heterophase dispersed in the matrix, wherein the thermoelectric semiconductor comprises an element belonging to Group 15 of the Periodic Table of the Elements, and the heterophase comprises a transition metal element.

Abstract: A transparent conductor includes a metallic glass, and a method of manufacturing a transparent conductor includes: preparing a metallic glass or a mixture comprising the metallic glass; and firing the metallic glass or the mixture comprising the metallic glass at a predetermined temperature higher than a glass transition temperature of the metallic glass.

Abstract: A thermoelectric material including: a two dimensional nanostructure having a core and a shell on the core. Also, a thermoelectric element and a thermoelectric apparatus including the thermoelectric material, and a method of preparing the thermoelectric material.

Abstract: A thermoelectric material including a 3-dimensional nanostructure, wherein the 3-dimensional nanostructure includes a 2-dimensional nanostructure connected to a 1-dimensional nanostructure.

Abstract: An electrode structure includes: a first nonconductive layer; a first conductive layer disposed on the first nonconductive layer; a second nonconductive layer disposed on the first conductive layer; a second conductive layer disposed on the second nonconductive layer; and a third nonconductive layer disposed on the second conductive layer, where at least one of the first conductive layer and the second conductive layer includes a two-dimensional conductive material.

Abstract: A semiconductor of which a substance such as a semiconductor photocatalyst is uniformly coated on the surface thereof with a graphitic carbon film and a method of fabricating the same are disclosed. According to the inventive method, a graphitic carbon film having a thickness of 1 nm or less is uniformly formed on the surface of the semiconductor by performing hydrothermal synthesis and pyrolysis on glucose, so as to keep the original structure crystallinity of the semiconductor photocatalyst to be a support of the carbon film.

Abstract: A thermoelectric material including: a two dimensional nanostructure having a core and a shell on the core. Also, a thermoelectric element and a thermoelectric apparatus including the thermoelectric material, and a method of preparing the thermoelectric material.

Abstract: A composite thermoelectric material comprising a matrix comprising a thermoelectric semiconductor; and a nanoscale heterophase dispersed in the matrix, wherein the thermoelectric semiconductor comprises an element belonging to Group 15 of the Periodic Table of the Elements, and the heterophase comprises a transition metal element.

Abstract: A transparent conductor includes a metallic glass, and a method of manufacturing a transparent conductor includes: preparing a metallic glass or a mixture comprising the metallic glass; and firing the metallic glass or the mixture comprising the metallic glass at a predetermined temperature higher than a glass transition temperature of the metallic glass.

Abstract: Disclosed is a method for patterning a nanomaterial using solution evaporation. More particularly, the method for patterning a nanomaterial using solution evaporation includes; coating the nanomaterial with a polymer material and uniformly dispersing the coated nanomaterial in a solvent to prepare a solution containing the nanomaterial, and pouring the nanomaterial-containing solution on a substrate, enabling the nanomaterial to be patterned after evaporation of the solvent.

Abstract: A thermoelectric material including a 3-dimensional nanostructure, wherein the 3-dimensional nanostructure includes a 2-dimensional nanostructure connected to a 1-dimensional nanostructure.

Abstract: A semiconductor of which a substance such as a semiconductor photocatalyst is uniformly coated on the surface thereof with a graphitic carbon film and a method of fabricating the same are disclosed. According to the inventive method, a graphitic carbon film having a thickness of 1 nm or less is uniformly formed on the surface of the semiconductor by performing hydrothermal synthesis and pyrolysis on glucose, so as to keep the original structure crystallinity of the semiconductor photocatalyst to be a support of the carbon film.

Abstract: The present inventions are a method for production of hydrogen which decomposes water into hydrogen by oxidation of metals only when the metals are exposed to the water, while preventing oxidation of pure metal nanoparticles using block copolymers and, in addition, hydrogen produced by the method described above. The method of the present invention has advantages of improved convenience and simplicity, achieves a preferable approach for hydrogen storage because the metal nanoparticles enclosed by the block copolymer have the ease of delivery and reaction thereof. Additionally, the method of the present invention only using water and the metal is considered eco-friendly and useful in industrial energy applications.

Abstract: Disclosed are a nanocrater catalyst in metal nanoparticles with a nanocrater form of hole structure in center of the catalyst which is useful for manufacturing nano-sized materials and/or articles with desired structure and characteristics, a preparation method thereof including a plasma etching and chemical etching process (“PTCE process”), and nano-sized materials and/or articles manufactured by using the nanocrater catalyst in metal nanoparticles.

Abstract: Disclosed are transition metal-carbon nanotube hybrid catalysts in which a transition metal having high catalytic activity is uniformly distributed on surface of a carbon nanotube containing nitrogen so as to maximize a surface area of the catalyst exhibiting catalytic activity, a method for preparation thereof, and a method for generation of hydrogen from an alkaline medium using the prepared catalyst. The transition metal-carbon nanotube hybrid catalyst containing N2 according to the present invention is effectively used in a variety of industrial applications utilizing hydrogen energy such as a hydrogen storage systems for fuel cells, fuel storage systems for hydrogen fuel vehicles, electric vehicles and/or as energy sources for electronic devices.

Abstract: Disclosed are a nanocrater catalyst in metal nanoparticles with a nanocrater form of hole structure in center of the catalyst which is useful for manufacturing nano-sized materials and/or articles with desired structure and characteristics, a preparation method thereof including a plasma etching and chemical etching process (“PTCE process”), and nano-sized materials and/or articles manufactured by using the nanocrater catalyst in metal nanoparticles.

Abstract: Disclosed is a method for patterning a nanomaterial using solution evaporation. More particularly, the method for patterning a nanomaterial using solution evaporation includes; coating the nanomaterial with a polymer material and uniformly dispersing the coated nanomaterial in a solvent to prepare a solution containing the nanomaterial, and pouring the nanomaterial-containing solution on a substrate, enabling the nanomaterial to be patterned after evaporation of the solvent.

Abstract: Provided are a dye-sensitized solar cell and a method for manufacturing the dye-sensitized solar cell using a carbon nanotube (CNx) doped with nitrogen, wherein the dye-sensitized solar cell using the carbon nanotube (CNx) doped with nitrogen has an improved conductivity and open circuit voltage as compared to those using the carbon nanotube (CNT) and also a high connectivity between a transparent electrode and an oxide semiconductor