Lg Chem, Ltd

Korea Institute of Energy Research

Jung Hoon Yang

Dong Hoon Lee

Min Woo Jung

Dong Uk Heo

Boon Jae Jang

Heon Jung

Dong Hyun Chun

Hak Joo Kim

Jung Il Yang

Mi Yeon Han

Jung Oh Huh

Ho Young Lee

Min Young Kang

Ji Chan Park

Byung Kwon Kim

Provided is a compound of Formula 1: where X is O or S; Aris an aryl having 6 to 20 carbon atoms substituted with at least one functional group selected from the group consisting of cyano, pyridinyl, benzimidazolyl and diphenylphosphine oxide, or a substituted or unsubstituted heteroaryl having 3 to 20 carbon atoms containing at least one N; and Aris a functional group of Formula 2 below, with the proviso that Arand Arare different from each other, where Aris an aryl having 6 to 20 carbon atoms, and m is an integer of 0 to 2, and an organic light emitting device comprising the same.

Compound and organic light emitting device comprising the same

The present disclosure relates to a novel cyclic compound represented by Chemical Formula 1 and an organic light emitting device using the same. The compound is used as a material of an organic material layer of the organic light emitting device. 

Heterocyclic compound and organic light emitting device using the same

A second stage Fischer-Tropsch reaction system to enhance a conversion ratio of a synthetic gas, includes, at least one first reactor that uses a Fe catalyst, receives a first synthetic gas extracted from a coal, biomass or natural gas, and reacts the first synthetic gas with the Fe catalyst to obtain a synthetic fuel, and a second reactor that uses a Fe.Co or Co catalyst, receives a second synthetic gas discharged from the first reactors after reaction, and reacts the second synthetic gas with the Fe.Co or Co catalyst to obtain a synthetic fuel.

Second stage Fischer-Tropsch reaction system to enhance the conversion of synthetic gas

Disclosed is a method for manufacturing an iron catalyst, the method including: a mixing stage where a mixture solution is manufactured by mixing iron nitrate (Fe(NO)) solution and copper nitrate (Cu(NO)) solution; a precipitation slurry-forming stage where a precipitation slurry is formed by adding at least one of sodium carbonate (NaCO) or sodium hydroxide (NaCO) solutions to the mixture solution; a washing stage where the precipitation slurry is filtered and washed with distilled water; a silica adding stage where fumed silica powder and potassium carbonate (KCO) solution are added to the precipitation slurry and then agitated; a drying stage where the precipitation slurry is passed through a sieve having a size of 30 &#x3bc;m to 100 &#x3bc;m and dried by a spry drying method to manufacture a powdered iron catalyst; and a heat treatment stage where the iron catalyst is dried at a temperature of 50&#xb0; to 150&#xb0; C., and then heat-treated at a temperature of 300&#xb0; C. to 500&#xb0; C.

Method for manufacturing iron catalyst

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Daejeon, South Korea

Jung Hoon Yang