Abstract:
PURPOSE: Provided are a compound having hole transfer/injection ability, which is excellent in adhesive ability, heat-stability, and time-stability, and an organic electroluminescent element having a self-assembled layer containing the compound, which is excellent in electrical properties and optical properties. CONSTITUTION: The compound having the hole transfer/injection ability is represented by the formula: Ar-R-SiX3 and the organic electroluminescent element contains a cathode, a hole transfer/injection layer, an organic luminescent layer, an electron transfer/injection layer, an anode, and the self-assembled layer placed between the cathode and the hole transfer/injection layer and comprising the compound represented by the formula: Ar-R-SiX3. In the formula, Ar is a functional group having the hole transfer/injection ability, wherein R1-R3 are identically or differently hydrogen atom, two aryl groups, or amine group having substituted aryl, or C1-C22 alkyl or alkoxy group, R is C1-C22 alkyl group, and X is alkoxy or halogen.
Abstract:
Provided are compounds having molecular components capable of transporting/injecting hole and an organic EL device having a self-assembled monolayer comprising the same. The compound has the following formula:wherein Ar is a functional group having hole transporting or injecting capability, R is a C1 to C22 alkyl group, and X is an alkoxy group or halogen.
Abstract:
금속 나노와이어 분산용액의 제조방법은 제1 솔벤트에 의한 제1 세척단계, 제2 솔벤트 및 소니케이팅에 의한 제2 세척단계 및 진공필터링에 의한 금속 나노와이어 분리 단계를 포함한다. 제1 세척단계 및 제2 세척단계를 통해 유기보호제를 금속 나노와이어로부터 화학적 및 물리적으로 분리 시킨다.
Abstract:
Disclosed is a luminescent polymer applicable to various electroluminescence devices, and more specifically, a novel poly(p-phenylvinylene) derivative with cyclohexyl or phenyl substituted silyl group on the side chain thereof, represented by the following formula 1. The luminescent polymer is excellent in thermal properties and luminance efficiency, and radiates at a green light wavelength range due to electronic properties of the silyl substituent, thus serving as an electroluminescence device material. wherein R is a cyclohexyl or phenyl substituted silyl group; and m is an integer of 1-4.
Abstract:
본 발명의 일 실시예에 따른 은 나노와이어 제조방법은, 폴리올에 분산안정제를 첨가하고 교반하여 제1 용액을 형성하는 단계; 폴리올에 분산 안정제, 은 전구체, 할로겐 이온 공여체 및 초순수(deionized water)를 첨가하여 제2 용액을 형성하는 단계; 상기 제1 용액에 상기 제2 용액을 첨가하여 제3 용액을 형성하고, 상기 제3 용액을 제1 온도에서 제2 온도로 승온시키는 단계; 및 상기 제2 온도에서 상기 제3 용액을 반응시켜 은 나노와이어를 형성하는 단계;를 제공할 수 있다.
Abstract:
PURPOSE: Provided are a poly(p-phenylenevinylene) derivative containing a cyclohexyl- or phenyl-substituted silyl group as a side chain, which is excellent in thermal property and luminescent efficiency and used as a material of an electroluminescent element, and the electroluminescent element containing the derivative. CONSTITUTION: The poly(p-phenylenevinylene) derivative represented by the formula I is produced by polymerizing a monomer represented by the formula II. And the electroluminescent element contains a polymer luminescent layer formed by the derivative represented by the formula I. In the formula, R is a cyclohexyl- or phenyl substituted silyl group, m is an integer of 1-4, and A is a halogen atom, wherein the silyl contains C1-C20 linear or branched alkyl.
Abstract:
PURPOSE: A method for processing the anti-reflection of a zinc oxide thin film and a method for manufacturing a solar cell using the same are provided to minimize the reflectivity of a polycrystalline zinc oxide thin film by etching the polycrystalline zinc oxide thin film formed on a substrate. CONSTITUTION: A polycrystalline zinc oxide thin film(20) is formed on a substrate(10). The surface of the polycrystalline zinc oxide thin film is roughly processed. The polycrystalline zinc oxide thin film formed on the substrate is wet-etched with etchant mixed with nitric acid and peroxide.