Abstract: An active metamaterial array of the present disclosure includes: a substrate; a plurality of metamaterial structures disposed on the substrate and spaced apart from each other; a conductivity variable material layer formed between each of the plurality of the metamaterial structures so as to selectively connect the metamaterial structures; an electrolyte material layer formed on the metamaterial structures and the conductivity variable material layer; and a gate electrode disposed at one end of the substrate so as to be in contact with one region of the electrolyte material layer, and when an external voltage is applied to the gate electrode, the gate electrode changes the conductivity of the conductivity variable material layer by controlling the migration of ions contained in the electrolyte material layer.

Abstract: The present disclosure provides a quantum dot thin film that is formed by cross-linking ligands of quantum dots with a photo cross-linker containing two or more azide groups. According to still another aspect of the present disclosure, a method for forming a quantum dot pattern includes: forming a quantum dot layer on a substrate by coating the substrate with a solution including quantum dots and a photo cross-linker containing two or more azide groups; placing a mask having a pattern on the quantum dot layer and performing UV exposure on the quantum dot layer; and forming a quantum dot pattern by removing a non-exposed region of the quantum dot layer.

Abstract: Disclosed are an organic semiconductor compound that exhibits chemical resistance and etch resistance while maintaining electrical characteristics and thus is applicable to an existing photolithography process, thereby increasing process efficiency, and an organic semiconductor device using the same.

Abstract: An active metamaterial array of the present disclosure includes: a substrate; a plurality of metamaterial structures disposed on the substrate and spaced apart from each other; a conductivity variable material layer formed between each of the plurality of the metamaterial structures so as to selectively connect the metamaterial structures; an electrolyte material layer formed on the metamaterial structures and the conductivity variable material layer; and a gate electrode disposed at one end of the substrate so as to be in contact with one region of the electrolyte material layer, and when an external voltage is applied to the gate electrode, the gate electrode changes the conductivity of the conductivity variable material layer by controlling the migration of ions contained in the electrolyte material layer.

Abstract: A visco-poroelastic elastomer-based capacitor type tactile sensor includes a first electrode, an active layer formed on a top surface of the first electrode and made of a visco-poroelastic elastomer, a second electrode formed on a top surface of the active layer, and a controller configured to provide an electric field generated orthogonal to an extension direction of the first electrode and the second electrode between the first electrode and the second electrode. In proportion to an external pressure applied to the tactile sensor, a concentration of effective ions present at the interfaces between the active layer and the first and second electrodes is increased.

Abstract: According to embodiments of the present invention, a method of manufacturing an organic semiconductor device includes forming a first organic semiconductor layer on a substrate, and forming a self-assembled monolayer by providing a self-assembly precursor onto the first organic semiconductor layer. The first organic semiconductor layer has a reactive group on a top surface of the first organic semiconductor layer. The forming of the self-assembled monolayer includes forming a chemical bond between the self-assembly precursor and the reactive group of the first organic semiconductor layer.

Abstract: The present disclosure provides a quantum dot thin film that is formed by cross-linking ligands of quantum dots with a photo cross-linker containing two or more azide groups. According to still another aspect of the present disclosure, a method for forming a quantum dot pattern includes: forming a quantum dot layer on a substrate by coating the substrate with a solution including quantum dots and a photo cross-linker containing two or more azide groups; placing a mask having a pattern on the quantum dot layer and performing UV exposure on the quantum dot layer; and forming a quantum dot pattern by removing a non-exposed region of the quantum dot layer.

Abstract: Provided are a compound of Formula 1 and an organic electric element including a first electrode, a second electrode, and an organic material layer between the first electrode and the second electrode and comprising the compound, the element showing improved luminescent efficiency, stability, and life span.

Abstract: A light emitting device and a manufacturing method therefor are provided, and the light emitting device includes an active layer including a light emitting material, an ionic material, and a polymer matrix, and the active layer is capable of being compressed and elongated and formed to be changed in luminous intensity depending on at least one of a pressure for the active layer and an elongation percentage of the active layer.

Abstract: Disclosed are an organic semiconductor compound that exhibits chemical resistance and etch resistance while maintaining electrical characteristics and thus is applicable to an existing photolithography process, thereby increasing process efficiency, and an organic semiconductor device using the same.

Abstract: A visco-poroelastic elastomer-based capacitor type tactile sensor includes a first electrode, an active layer formed on a top surface of the first electrode and made of a visco-poroelastic elastomer, a second electrode formed on a top surface of the active layer, and a controller configured to provide an electric field generated orthogonal to an extension direction of the first electrode and the second electrode between the first electrode and the second electrode. In proportion to an external pressure applied to the tactile sensor, a concentration of effective ions present at the interfaces between the active layer and the first and second electrodes is increased.

Abstract: A light emitting device and a manufacturing method therefor are provided, and the light emitting device includes an active layer including a light emitting material, an ionic material, and a polymer matrix, and the active layer is capable of being compressed and elongated and formed to be changed in luminous intensity depending on at least one of a pressure for the active layer and an elongation percentage of the active layer.

Abstract: According to embodiments of the present invention, a method of manufacturing an organic semiconductor device includes forming a first organic semiconductor layer on a substrate, and forming a self-assembled monolayer by providing a self-assembly precursor onto the first organic semiconductor layer. The first organic semiconductor layer has a reactive group on a top surface of the first organic semiconductor layer. The forming of the self-assembled monolayer includes forming a chemical bond between the self-assembly precursor and the reactive group of the first organic semiconductor layer.

Abstract: Provided are a compound of Formula 1 and an organic electric element including a first electrode, a second electrode, and an organic material layer between the first electrode and the second electrode and comprising the compound, the element showing improved luminescent efficiency, stability, and life span.

Abstract: A composition for filling an ion exchange membrane including a first aromatic vinyl monomer having a halogenated alkyl group or a quaternary ammonium salt group, a method of preparing the ion exchange membrane, an ion exchange membrane prepared using the method, and a redox flow battery including the ion exchange membrane.

Abstract: In one aspect, an electrolyte for a dye-sensitized solar cell and a dye-sensitized solar cell including the same are provided.

Abstract: The present embodiments relate to a dye for a dye-sensitized solar cell and a dye-sensitized solar cell prepared from the same. The dye includes a fluorenyl-containing compound. The dye according to the present embodiments is applied to a light absorption layer to improve photovoltaic efficiency and increase an open-circuit voltage.

Abstract: Provided are a solid proton conductor and a fuel cell including the solid proton conductor. The solid proton conductor includes a polymer providing a proton source, and a polymer solvent providing a proton path.

Abstract: An electrode for a dye sensitized solar cell, the electrode including platinum having a controlled surface roughness and a specific surface area of platinum, a method of manufacturing the electrode, and a dye sensitized solar cell having excellent photoelectric conversion efficiency by including the electrode.

Abstract: A dye for dye-sensitized solar cells includes an organometallic complex represented by M(L)pX2:(Z)q. In the organometallic complex, M is a Group 8 through Group 10 metallic element, L is a bidentate ligand, X is a co-ligand, and Z is a counter-ion. The ratio of the bidentate ligand (L) to the counter-ion (Z) is about 1.1 to about 1.4. A method of preparing an exemplary dye includes mixing the organometallic complex with tetrabutylammonium thiocyanate and tetrabutylammonium hydroxide to prepare a solution, and purifying the solution at a pH of about 3.8 to about 4.1. A dye-sensitized solar cell includes a first electrode with a light absorbing layer, a second electrode and an electrolyte between the first and second electrodes. The light absorbing layer includes the dye.