Korea Research Institute of Chemical Technology

Daelim Industrial Co., Ltd.

Chang Jin Lee

Sung Cheol Yoon

Jaemin Lee

Sang Jin Moon

Suh Bong Rhee

Won Suk Shin

Won Wook So

Jongsun Lim

Seung Hun Eom

Young Hun Kang

Eun Kyoung Kim

Jong Cheol Lee

Seung Hoon Lee

Sang Kyu Lee

Xianhong Wang

Song Yun Cho

Hee Jung Kim

Yong Ku Kang

Hyun Kee Youn

Ju Hyoung Jung

Sang Hyun Jung

Chan Hyuk Park

Dohoon Hwang

Hye Young Lee

Sung Koo Lee

Wee Jin

Hak Sung Lee

Ki Deok Park

Min Kee Jun

Byung Woo Hwang

Kyu Nam Kim

Yong Hwa Yeom

Gab Soo Han

Yong Gu Kang

Yong Sik Chung

Chang Sun Chu

The present invention relates to a novel cathode buffer layer material, and an organic or organic/inorganic hybrid photoelectric device comprising same, and, if a novel compound of the present invention is applied to a cathode buffer layer of an organic photoelectric device such as organic solar cells, organic photodiode, colloidal quantum dot solar cell, and perovskite solar cell, a surface property of an electron transfer layer is improved via a high dipole moment of the novel compound, an electron can be easily extracted from a photoactive layer to a cathode electrode, and series resistance and leakage current can be reduced, thereby having a useful industrial effect, as performance of the organic or organic/inorganic hybrid photoelectric device being manufactured, such as an organic solar cell, organic photodiode, colloidal quantum dot solar cell, and perovskite solar cell, can be significantly improved.

Cathode buffer layer material and organic or organic/inorganic hybrid photoelectric device comprising same

The present invention relates to a novel cathode buffer layer material and an organic photoelectric device including the same. When the novel compound of the present invention is applied to a cathode buffer layer of an organic photoelectric device, for example, an organic solar cell or an organic photodiode, there is an effect in which the surface characteristics of an electron transport layer are improved through the high dipole moment of the novel compound to thereby facilitate electron extraction from a photoactive layer to a cathode electrode and to reduce series resistance and leakage current, and accordingly, the performance of an organic optoelectronic device (organic solar cell, organic photodiode, etc.) to be manufactured can be remarkably improved, which is industrially advantageous.

Cathode buffer layer material and organic photoelectric device including same

The aim of the present invention is to provide an indium-zinc-oxide semiconductor ink composition in which a spontaneous combustion reaction occurs, and provide an inorganic semiconductor thin film produced thereby. To this end, the present invention provides a semiconductor ink composition which includes a complex, represented by formula 1, incorporating a nitrate of a metal A which is an oxidizing material and incorporating a metal B which is a fuel material; wherein the metal A and the metal B are each respectively a metal selected from the group consisting of indium, gallium, zinc, titanium, aluminum, lithium, and zirconium, and metal A and metal B are different from each other.

Indium-zinc-oxide semiconductor ink composition in which a spontaneous combustion reaction occurs, and inorganic semiconductor thin film produced thereby

The present invention relates to a novel organometallic compound, and more particularly, to a luminescent organometallic compound in which intermolecular interaction is inhibited by means of introducing a germanium substituent, thereby improving light-emitting characteristics. The present invention also relates to an organic electronic device, specifically, to an organic light-emitting diode using the compound. According to the present invention, a germanium substituent is introduced to the parent organometallic iridium compound, thus inhibiting an intermolecular interaction in the solid state and enabling the compound of the present invention to be effectively used in solution processing. When the compound of the present invention is used as part of a light-emitting layer of an organic light-emitting diode, the light-emitting efficiency of the light-emitting diode may be significantly improved. Therefore, the compound of the present invention may be effectively used as a material for an organic light-emitting diode.

Organometallic compound, and organic light-emitting diode using same

The present invention relates to a pyrene-containing conductive polymer represented by formula 1 and an organic solar cell comprising the same as an organic photovoltaic material. The conductive polymer has improved hole mobility as a result of introducing a specific amount of pyrene either into a polymer, which consists only of a donor functional group comprising one or more aromatic monomers, or into a donor-acceptor type polymer comprising a repeating acceptor introduced into a donor functional group. Thus, the conductive polymer can be used as an organic photovoltaic material in organic photodiodes (OPDs), organic light-emitting diodes (OLEDs), organic thin-film transistors (OTFTs), organic solar cells and the like. In addition, an organic solar cell showing high power conversion efficiency (PCE) can be provided using an organic photovoltaic material comprising the pyrene-containing conductive polymer as an electron donor.

Conducting polymer to which pyrene compounds are introduced, and organic solar cell using same

Disclosed is a method of manufacturing the photoactive layer of organic photovoltaic cells using aerosol jet printing. The photoactive layer of the organic photovoltaic cell has high crystallinity and is easily formed into a multilayer structure, thus simplifying the process of manufacturing the organic photovoltaic cells. The solar power conversion efficiency of the organic photovoltaic cells including the photoactive layer is increased, thus facilitating the production of environmentally friendly energy.

Preparation method of organic photovoltaic cell's photoactive layer using aerosol jet printing

The present invention relates to a 2,7-carbazole-containing polymer represented by formula 1 and an organic photovoltaic device comprising the conductive polymer as a photoelectric conversion material. The conductive polymer has high photon absorption efficiency and improved hole mobility and is prepared by introducing a specific amount of a carbazole compound either into a polymer, consisting only of a donor functional group containing one or more aromatic monomers, or into a donor-acceptor type polymer comprising a repeating acceptor group introduced into a donor functional group. The conductive polymer can be used as a photoelectric conversion material for organic thin film transistors (OTFTs) or organic light-emitting diodes (OLEDs). Furthermore, the invention provides an organic photovoltaic device comprising the carbazole-containing conductive polymer as an electron donor, and thus can achieve high photoelectric conversion efficiency in organic thin film solar cells.

Conductive polymer containing carbazole, and organic photovoltaic device using same

The present invention relates to an organic compound having acetylene group(s), a thin film formed by vacuum deposition polymerization using said organic compound, vacuum deposition polymerization to form said thin film, and an electroluminescence device containing said thin film. More particularly, the present invention relates to an organic compound having at least one acetylene groups, vacuum deposition polymerization in which said organic compound is deposited on the substrate and simultaneously or then polymerized by heat treatment or UV irradiation to form a polymer thin film, and an electroluminescence device using at least one layer of said thin film.

Organic compound having an acetylene group, vacuum deposition polymerization thereof, deposited polymerized thin film, and electroluminescence device containing same

The present invention relates to a process for producing a styrene-maleic acid polyethyleneoxy ester copolymer from compositions comprising a styrene-maleic anhydride copolymer, polyethyleneglycol and polyethyleneglycol monoalkyl ether (in a weight ratio of from 0 to 100% relative to the polythyleneglycol), the copolymer produced therefrom, an ion-conducting thin membrane composition produced with an electrolytic salt, an ion-conducting thin membrane containing the copolymer and a process for producing the same, a solid electrochemical material containing the copolymer. The copolymer according the present invention has a high solubility in organic solvent, a good rubber elasticity. The ion-conducting thin membrane comprising this copolymer and an electrolytic salt as major components has an excellent mechanical property, a high adhesive strength and a high ion conductivity at room temperature.

Process for producing a rubber elastic copolymer, an ion-conducting thin

Process for preparing isobutene cyclopentadiene-methylcyclopentadiene

This invention relates to a process for preparing water soluble conductive polyaniline composite represented by the formula(III) which comprises reacting emeraldine base-type polyaniline(EB) representing by the formula(I) with poly(ethyleneglycol) hydrogen sulfate (PEGSF) represented by the formula(II), and to water soluble conductive polyaniline composite synthesized by the said process ##STR1## wherein, x is an integer or fractional number; y is 0 to 1 ##STR2## wherein, n is 4 to 200. ##STR3## wherein, x and n are same as defined above.

Water soluble conductive polyaniline composites and process for

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Daejeon, South Korea

Chang Jin Lee