Abstract: A graphene-nanoparticle structure includes a substrate, a graphene layer disposed on the substrate and a nanoparticle layer disposed on the graphene layer. The graphene-nanoparticle structure may be formed by alternately laminating the graphene layer and the nanoparticle layer and may play the role of a multifunctional film capable of realizing various functions according to the number of laminated layers and the selected material of the nanoparticles.

Abstract: A color filter and display devices using the same are provided, the color filter includes a first electrode and a second electrode spaced apart from each other; and a variable filter layer between the first electrode and the second electrode. The variable filter layer includes a polymer, liquid crystal dispersed in the polymer, and a plurality of color display materials mixed in the liquid crystal.

Abstract: A method of controlling a growth crystallographic plane of a metal oxide semiconductor having a wurtzite crystal structure by using a thermal chemical vapor deposition method includes controlling a growth crystallographic plane by allowing the metal oxide semiconductor to grow in a non-polar direction by using a source material including a thermal decomposition material that reduces a surface energy of a polar plane of the metal oxide semiconductor.

Abstract: A method of manufacturing zinc oxide nanowires. A metal seed layer is formed on a substrate. The metal seed layer is thermally oxidized to form metal oxide crystals. Zinc oxide nanowires are grown on the metal oxide crystals serving as seeds for growth. The zinc oxide nanowires are aligned in one direction with respect to the surface of the substrate.

Abstract: An electric energy generator may include a semiconductor layer and a plurality of nanowires having piezoelectric characteristics. The electric energy generator may convert optical energy into electric energy if external light is applied and may generate piezoelectric energy if external pressure (e.g., sound or vibration) is applied.

Abstract: A polymer dispersed display apparatus includes a polymer layer, and a plurality of liquid crystal drops dispersed in the polymer layer. Quantum dots emitting a plurality of colors of light are mixed in the liquid crystal drops. Therefore, the polymer dispersed display apparatus displays colors without the need for a color filter. Thus, the polymer dispersed display apparatus need not include a polarization plate and a color filter, so that a light usage efficiency of the polymer dispersed display apparatus increases.

Abstract: Disclosed are p-n zinc (Zn) oxide nanowires and a methods of manufacturing the same. A p-n Zn oxide nanowire includes a p-n junction structure in which phosphorus (P) is on a surface of a Zn oxide nanowire.

Abstract: A thin film transistor includes nanowires. More specifically, the thin film transistor includes nanowires aligned between and extending to opposite facing lateral surfaces of source/drain electrodes on a substrate. The nanowires extend in a direction parallel to a major surface defining the substrate to form a semiconductor channel layer. Also disclosed herein is a method for fabricating the thin film transistor.

Abstract: A nanopiezoelectric generator is provided. The nanopiezoelectric generator includes a first electrode; a second electrode; at least one nanostructure that is interposed between the first electrode and the second electrode, and includes a piezoelectric material and first carriers; and a concentration adjusting unit that adjusts a concentration of the first carriers in the at least one nanostructure.

Abstract: A nanofiber composite including a nanofiber formed of a hydrophobic polymer, a nanowire formed of a conductive or semiconductive organic material that is oriented in the nanofiber in the longitudinal direction of the nanofiber, and an ionic active material.

Abstract: A light position controlling apparatus and a method of manufacturing the same. The light position controlling apparatus includes a substrate; first and second electrodes that are arranged on the substrate and configured to generate an electric field; and a piezoelectric nano wire configured to operate as optical waveguide. The piezoelectric nano wire includes a first portion disposed on the substrate, and a second portion that extends from the first portion and bends according to the electric field generated by the first and second electrodes to change a travel direction of light transmitted by the piezoelectric nano wire.

Abstract: Electrical energy generation apparatuses, in which a solar battery device and a piezoelectric device are combined in a single body by using a plurality of nano wires formed of a semiconductor material having piezoelectric properties.

Abstract: An electroconductive fiber, a method of manufacturing an electroconductive fiber, and a fiber complex including an electroconductive fiber are provided, the electroconductive fiber includes an electroconductive polymer, an elastic polymer that forms a structure with the electroconductive polymer, and a carboneous material on at least one of the electroconductive polymer and the elastic polymer.

Abstract: A nanogenerator with at least one nanostructure and method of manufacturing the same are provided. The method of manufacturing the nanogenerator includes forming at least one nanostructure including an organic piezoelectric material on a substrate.

Abstract: A ZnSnO3/ZnO nanowire, a method of forming a ZnSnO3/ZnO nanowire, a nanogenerator including a ZnSnO3/ZnO nanowire, a method of forming a ZnSnO3 nanowire, and a nanogenerator including a ZnSnO3 nanowire are provided. The ZnSnO3/ZnO nanowire includes a core and a shell that surrounds the core, wherein the core includes ZnSnO3 and the shell includes ZnO.

Abstract: Electrical energy generation apparatuses, in which a solar battery device and a piezoelectric device are combined in a single body by using a plurality of nano wires formed of a semiconductor material having piezoelectric properties.

Abstract: Electrical energy generation apparatuses, in which a solar battery device and a piezoelectric device are combined in a single body by using a plurality of nano wires formed of a semiconductor material having piezoelectric properties.

Abstract: According to an example embodiment, an electrical energy generator includes at least one piezoelectric structure, a semiconductor layer and a contact layer. The at least one piezoelectric structure includes a material having piezoelectric characteristics. One surface of each piezoelectric structure forms a p-n junction with the semiconductor layer. The other end of each piezoelectric structure contacts the contact layer that is formed of a material having metal-insulator transition (MIT) characteristics. The piezoelectric structure may be an elongated member, such as a nanowire.

Abstract: A piezoelectric device including an engraved nanostructure body and a method of manufacturing the same are provided. The piezoelectric device includes a matrix including a piezoelectric material, a nanopore may be disposed in the matrix, and the nanopore may be extended substantially in a predetermined direction. The method may include coating a piezoelectric material on a substrate having a nanostructure body disposed thereon, and selectively etching the nanostructure body.

Abstract: Example embodiments relate to methods of manufacturing p-type Zn oxide nanowires and electronic devices including the p-type Zn oxide nanowires. The method may include forming Zn oxide nanowires in an aqueous solution by using a hydrothermal synthesis method and annealing the Zn oxide nanowires to form p-type Zn oxide nanowires.