Abstract:
Provided are a conductive layered structure including a DNA hydrogel and a composite layer disposed on the DNA hydrogel. The composite layer may include a polymer electrolyte and a conductive material. Also provided are an electrode and a supercapacitor, each including the conductive layered structure. Further provided is a method of manufacturing the conductive layered structure. Thus, a biocompatible, implantable electrode having a large specific surface area and a high conductivity may be manufactured through simple processes.
Abstract:
A method of performing a function by combining one or more blocks including sensing whether the one or more blocks are connected, determining indexes respectively corresponding to the connected one or more blocks, deciding, by using the indexes, a function to be performed based on the sensing, the function being one of a plurality of functions, each function associated with a respective set of function blocks, and generating a control signal for performing the decided function may be provided.
Abstract:
A thermoelectric material including: a thermoelectric matrix; and a plurality of metal nanoparticles disposed in the thermoelectric matrix, wherein a difference between a work function of thermoelectric matrix and a work function of a metal particle of the metal nanoparticles is about −1.0 electron volt to about 1.0 electron volt.
Abstract:
A thermoelectric device including: a thermoelectric material layer comprising a thermoelectric material; a transition layer on the thermoelectric material; and a diffusion prevention layer on the transition layer, wherein the thermoelectric material comprises a compound of Formula 1: (A1-aA′a)4-x(B1-bB′b)3-y-zCz Formula 1 wherein A and A′ are different from each other, A is a Group 13 element, and A′ is at least one element of a Group 13 element, a Group 14 element, a rare-earth element, or a transition metal, B and B′ are different from each other, B is a Group 16 element, and B′ is at least one element of a Group 14 element, a Group 15 element, or a Group 16 element, C is at least one halogen atom, a complies with the inequality 0≤a
Abstract:
An electro-conductive hydrogel composite material that may be suitable as an artificial skin satisfies all four requirements of artificial skin, namely, flexibility, electrical conductivity, healing property, and biocompatibility. The electro-conductive hydrogel composite material includes a hydrogel composition including water and a cross-linkable polymer which reversibly forms cross-linkage by hydrogen bonding; and an electro-conductive material dispersed in the hydrogen bond-based hydrogel.
Abstract:
An image display device includes a display panel unit having a plurality of optical elements configured to generate and emit unidirectional lights in an array and a control unit configured to control the plurality of optical elements according to image information. The image display device is located very close to the eyes of a user and displays an additional information image added to a real image, thereby implementing augmented reality.
Abstract:
A thermoelectric material including: a thermoelectric matrix including grains with a composition of Formula 1: (BixSb1-x)a(TeySe1-y)b Formula 1 wherein 1.8≦a≦2.2, 2.8≦b≦3.2, 0≦x≦1, and 0≦y≦1, and wherein a plurality of dislocations is present along a grain boundary between adjacent grains of the composition of Formula 1.