Abstract:
본 발명의 일 실시예에 따른 나노 소재는 넓은 밴드 갭과 높은 여기자 결합 에너지를 갖는 ZnO를 기반으로한 P형 나노 소재를 제공할 수 있도록, ZnO를 주성분으로 하는 코어, 및 상기 코어의 외측에 코팅된 Ti X O Y 를 주성분으로 하는 산화 티탄층을 포함하고, Y/X는 1보다 더 크고 2보다 더 작도록 이루어진다.
Abstract:
본 발명은 용액법에 의해 제작되는 유기 태양전지의 제조방법 및 그로부터 제조된 유기 태양전지에 관한 것이다. 본 발명의 제조방법은 전극상에 용액 코팅 이후 건조공정으로 수행되는 용액법에 의한 박막형성 단계를 포함하는 유기 태양전지의 제조방법에 있어서, 상기 코팅 이후 코팅 표면에 가스 퍼징하여 용액 내 수분을 건조함으로써, 충분한 건조가 이루어지지 않아 형성되는 박막 내 기포를 효과적으로 제거할 수 있다. 특히, 본 발명의 제조방법은 롤-투-롤 공정에 적용 가능한 블레이드 법에 의해 수행됨으로써, 대면적의 유기 태양전지를 재현성 있게 확보하고, 유기 태양전지의 에너지 변환효율(Power Conversion Efficiency)을 증가시킬 수 있다. 나아가, 본 발명의 제조방법은 유기 발광 다이오드(OLED) 및 유기 박막 트랜지스터(OTFT) 등의 유기물 반도체를 블레이드 법으로 유기 박막을 코팅할 경우에도 적용할 수 있다.
Abstract:
PURPOSE: A method for preparing 2,2'-bipyridine-4,4'-dicarboxylic acid is provided to produce a large amount of the compounds and to use the compound as a dye for dye-sensitized solar cells. CONSTITUTION: A method for preparing 2,2'-bipyridine-4,4'-dicarboxylic acid comprises: a step of synthetic 2,2'-bipyridine-4,4'-dicarboxylic acid diethykl ester by dehydrogenation coupling reaction of ethyl isonitotinate under Pd-C catalyst; a step of hydrolyzing and acidifying 2,2'-bipyridine-4,4'-dicarboxylic acid diethyl ester compounds to collect the target compound, 2,2'-bipyridine-4,4'-dicarboxylic acid. A dye for dye-sensitized solar cell contains 2,2'-bipyridine-4,4'-dicarboxylic acid.
Abstract:
PURPOSE: A conducting polymer is provided to ensure high photon absorption and hole mobility by introducing dithiophene-thiazolothiazole derivatives to a polymer including an aromatic monomer with electron donating ability. CONSTITUTION: A conducting polymer including a dithiophene-thiazolothiazole group is represented by chemical formula 1. In chemical formula 1, R1 and R2 are C1~C20 straight-chain or side chain alkyl group, C1~C20 alkoxy group, and C6~C20 aryl group; n is an integer of 5 or more; and Ar is a structure of an aromatic monomer with electron donating ability.
Abstract:
PURPOSE: A novel organic semiconductor material and a photovoltaic device comprising the same are provided to ensure excellent hole mobility and electrical characteristic. CONSTITUTION: An organic semiconductor compound has a structure of chemical formula 1. An organic electronic device comprises the organic semiconductor compound. The organic electronic device is an organic solar cell comprising the organic semiconductor compound in an active layer as an electron donor. The organic solar cell further contains an electron acceptor in the active layer.
Abstract:
PURPOSE: A conductive polymer, and an organic photovoltaic device using thereof are provided to secure the high photon absorption function, and to improve the quantum transfer efficiency of an organic layer solar battery when being applied to the organic photovoltaic device. CONSTITUTION: A conductive polymer including a 2,7-carbazole group is marked with chemical formula 1. In the chemical formula 1, l is the molar fraction of a monomer-X. X and Y are monomer structures with a doner, acceptor, or optical absorption function. R1 is selected from the group consisting of C1~C20 alkyl, C1~C20 alkoxy, C3~C20 cycloalkyl, C1~C20 heterocycloalkyl, aryl, heteroaryl, CN, C(O)R, or C(O)OR.
Abstract:
An N-doped titania nano tube and a manufacturing method thereof are provided to be applied to various fields like the second cell electrode material etc by having excellent anisotropy, reproducibility, and uniformity. A manufacturing method of an N-doped titania nano tube comprises the following steps: a step for manufacturing a nano particle or an N-doped titania sol by mixing a titania precursor and a nitrogen precursor; and a step for manufacturing an N-doped titania nano tube through an aging process by acid treatment, hydrothermal synthesis, cleaning of dissolved compound, and alkali treatment about the N-doped titania sol or the nano particle. The nitrogen precursor is selected among alkyl amine of carbon number 1~6, ammonia solution, ammonia gas, hydrazine hydrate, and a nitrogen atom. The alkali treatment is performed by using alkali hydroxide of 5~10M.