Kyungpook National University Industry-academic Cooperation Foundation

Youngkyoo Kim

Hwajeong Kim

Jooyeok Seo

Chulyeon Lee

Sungho Nam

Inhyuk Lee

Soohyeong Park

Hawjeong Kim

Minjung Shin

The present disclosure relates to a photosensitive organic capacitor whose capacitance efficiency is increased if light is applied to the photosensitive organic capacitor, and the photosensitive organic capacitor includes an upper substrate and a lower substrate that are spaced apart by a certain interval, an upper electrode and a lower electrode that are attached to each opposing side of the upper substrate and lower substrate, an active layer that is formed between the upper electrode and the lower electrode, and an upper polarization-inducing layer and a lower polarization-inducing layer that are formed between the upper electrode and the active layer and between the lower electrode and the active layer, and that induce the polarization of charges within the active layer if light is applied to the photosensitive organic capacitor.

Photosensitive organic capacitor

The present disclosure relates to a memory device having a hybrid insulating layer and a method for preparing the same. In detail, a memory device including a gate electrode on a substrate, a source electrode, and a drain electrode has a hybrid memory insulating layer between the gate electrode and the source and drain electrodes that is polarizable and includes a mixed material of vinyltriethoxysilane and organic matter to lead to hysteresis. According to the present disclosure, a memory insulating layer is formed as a hybrid insulating layer including a mixture of polyvinylphenol as the organic matter and vinyltriethoxysilane to complement the properties of an organic memory whereby increasing memory performance, and it stably operates at both low and high temperatures whereby having a wide usage range.

Memory device having hybrid insulating layer and method for preparing same

The present invention relates to a biochip comprising an electrode having a titania coating layer on its surface; an organic coupler comprising two or more carboxylic acid groups and capable of transporting electrons; and bioactive molecules, wherein the organic coupler is covalently bonded to a hydroxyl group of titania on the electrode surface through one carboxylic acid group, and to the bioactive molecules through other one or more carboxylic acid groups, a method for analyzing target molecules using the biochip, a method for diagnosing the development of diseases using the biochip, an electrode provided with a titania coating layer on its surface to which an organic coupler, comprising 2 or more carboxylic acid groups and capable of transporting electrons, is bound, wherein the organic coupler is covalently bonded to a hydroxyl group of titania on the electrode surface through one carboxylic acid group, and a method for preparing the electrode provided with a mesoporous titania coating layer, the method comprising coating a mixed solution of a titania precursor and a template polymer on the top of the electrode, and calcinating the coated electrode under an air flow condition.

Biochip comprising covalently immobilized bioactive molecules through organic couplers thereon

The present invention relates to a functionalized carbon nanoparticle prepared by modifying the surface of a carbon nanoparticle with Caryl or heteroaryl substituted with one or more hydroxyl groups, and a functional polymer fiber bound therewith. The functionalized carbon nanoparticles according to the present invention are tightly bound to the polymer fiber, thereby providing the polymer fiber with the properties of carbon nanoparticle. The properties of the carbon nanoparticle being further provided in addition to those of the polymer fiber, the polymer fiber is expected to further expand its scope of application.

Functionalized carbon nanoparticles and functional polymer fibers prepared using the same

The present invention relates to a transistor and a method for manufacturing the same. The transistor according to an embodiment of the present invention includes a substrate, a drain electrode formed on the substrate, a source electrode formed on the substrate and spaced apart from the drain electrode, a channel layer formed on the substrate and including a channel region electrically connecting the drain electrode and the source electrode to each other, a gate electrode formed on the substrate and spaced apart from the channel region, and a liquid crystal layer formed on the substrate to connect the channel layer and the gate electrode to each other.

Transistor and method for manufacturing the same

A non-volatile memory device includes a gate electrode, a data storage layer provided on the gate electrode, and a source electrode and a drain electrode provided on the data storage layer and spaced apart from each other. The data storage layer comprises three layers that form hetero-interfaces and have different permittivities from one another.

Non-volatile memory device and method of manufacturing the same

A compound for absorbing sunlight and converting the sunlight into electrical energy, which is formed by coupling a fullerene with at least one or more triarylamine derivatives. The fullerene is selected from among those having carbon numbers C, C, C, Cand C, and the triarylamine derivatives are coupled with at least one or more aliphatic or aromatic hydrocarbons and are also coupled with a dopant. A method of manufacturing the compound includes steps of synthesizing a fullerene derivative, synthesizing fullerene-triarylamine, wherein a fullerene-triarylamine adduct is prepared by coupling the fullerene derivative with a triarylamine derivative, preparing an adduct solution by dissolving the fullerene-triarylamine adduct in an organic solvent, and conducting a doping reaction by adding an acid dropwise slowly to the adduct solution.

Growing community of inventors

Daegu, South Korea

Youngkyoo Kim