Korea Institute of Science and Technology

Other

Goldstar, Co., Ltd.

Jai Kyeong Kim

Dong Young Kim

Young Chul Kim

Chung Y Kim

Phillip Lee

June Whan Choi

Hae Jung Son

Jae-Woong Yu

Jung Park

Heesuk Kim

Sungmin Park

Jeong Gon Son

Seungjun Chung

Hyun Nam Cho

Joo-won Lee

Hee-Woo Rhee

Jong Hyeok Park

Min Jae Ko

O Ok Park

Jae-Hyun Lim

Inseok Hwang

Dae-Seok Na

Jae Hyun Lim

Sang-Soo Lee

Seung Hyun Lee

Seong M Jo

Jeongyun Heo

Sehoon Kim

Ick Chan Kwon

Jong Hyuk Park

Jae-Min Hong

Byeongmoon Lee

Seunghyun Lee

Doh-Kwon Lee

Tae Ann Kim

Hyo Sang Lee

Ho Gyu Yoon

Hyeonggeun Yu

Chang-Keun Lim

Dae Seok Na

Hyojung Kim

Hyunjoo Cho

Nam Soo Kang

Injeong Shin

So Hyun Park

Jea Woong Jo

Hyunjung Jin

Seongwon Yoon

Yong Taik Lim

Seong Kwon Hwang

Jin Joo

Byung Soo Kang

Inyoung Jeong

Jae Hoon Yun

Byung Doo Chin

Byung Hong Yi

Suk Joon Hwang

The present disclosure relates to a ternary photoactive layer composition and an organic solar cell including the same. According to the present disclosure, excessive crystal growth and aggregation can be prevented during large-area coating of a photoactive layer, uniform morphology can be achieved without significant phase separation, an organic solar cell with superior photovoltaic cell characteristics can be realized, and superior performance may be maintained even after long-term exposure to heat by preventing the morphological change of the photoactive layer.

Ternary photoactive layer composition and organic solar cell comprising same

Provided is a method of manufacturing a stretchable substrate according to various embodiments of the present disclosure in order to implement the above-described objects. The method may include forming an auxetic including a plurality of unit structures and forming one or more microstructures.

Stretchable substrate and method of manufacturing the same

Disclosed is a method of manufacturing a transparent stretchable substrate according to various embodiments of the present disclosure. The method may include generating a substrate part formed of an elastic material, generating an auxetic including a plurality of unit structures on the substrate part, and generating a fixing part on the substrate part on which the auxetic is generated.

Transparent stretchable substrate and manufacturing method thereof

Disclosed is a method of manufacturing a stretchable substrate according to various embodiments of the present disclosure for realizing the above-described objectives. The method may include generating an auxetic including a plurality of unit structures and adhering one or more elastic sheets to one surface of the auxetic.

Mechanical-metamaterial-based stretchable substrate with negative poisson's ratio and manufacturing method thereof

An organic solar cell includes a substrate; a first electrode; a second electrode disposed opposite the first electrode; a photoactive layer that is disposed between the first electrode and the second electrode, and that comprises n-type organic semiconductor material and p-type organic semiconductor material; and an intermediate layer that is disposed on at least one surface of the photoactive layer and that contains a compound represented by Formula 1 below: 

Organic solar cells with increased photostability

Disclosed is an electron transport layer for a flexible perovskite solar cell. The electron transport layer includes transition metal-doped titanium dioxide particles. The titanium dioxide particles are densely packed in the electron transport layer. The electron transport layer is transparent. The use of the electron transport layer enables the fabrication of a flexible perovskite solar cell with high power conversion efficiency. Also disclosed is a flexible perovskite solar cell employing the electron transport layer.

Electron transport layer for flexible perovskite solar cell and flexible perovskite solar cell including the same

An organic solar cell is provided. The organic solar cell includes a photoactive layer in which a low molecular weight conjugated compound as a first organic semiconductor material is mixed with an appropriate amount of a second organic semiconductor material. The first organic semiconductor material includes both electron donors and electron acceptors. The presence of the electron donors and the electron acceptors in the first organic semiconductor material improves the morphology of the photoactive layer, leading to high efficiency of the organic solar cell.

Organic solar cell and method for fabricating the same

The present disclosure relates to a sulfonated benzene compound emitting fluorescence by reaction with hydrogen peroxide, aqueous-dispersed fluorescent nanoprobes applicable for real-time detection of hydrogen peroxide, and a fluorescent nanoprobe fabrication method. The fluorescent nanoprobe contains the following sulfonated benzene compound and water. 

Fluorescent nanoprobe for detecting hydrogen peroxide and fabrication method thereof

The present invention relates to an organic/inorganic hybrid thin film passivation layer comprising an organic polymer passivation layer prepared by a UV/ozone curing process and an inorganic thin film passivation layer for blocking moisture and oxygen transmission of an organic electronic device fabricated on a substrate and improving gas barrier property of a plastic substrate; and a fabrication method thereof. Since the organic/inorganic hybrid thin film passivation layer of the present invention converts the surface polarity of an organic polymer passivation layer into hydrophilic by using the UV/ozone curing process, it can improve the adhesion strength between the passivation layer interfaces, increase the light transmission rate due to surface planarization of the organic polymer passivation layer, and enhance gas barrier property by effectively blocking moisture and oxygen transmission.

Organic/inorganic hybrid thin film passivation layer for blocking moisture/oxygen transmission and improving gas barrier property

The present invention relates to a method of fabricating an organic photovoltaic device with improved power conversion efficiency by reducing lateral contribution of series resistance between subcells through active area partitioning by introducing a patterned structure of insulating partitioning walls inside the device. According to the method of the present invention, since the lateral contribution of series resistance between the partitioned subcells is minimized and each subcell works independently, there is no interference phenomenon against the current output of each subcells. As such, the function of a charge extraction layer with high conductivity can be maximized. Thus, the method of the present invention can be effectively used in the fabrication and development of a next-generation large area organic thin layer photovoltaic cell device.

Organic photovoltaic device with improved power conversion efficiency and method of manufacturing same

The present invention relates to a white and color photoexcitation light emitting sheet comprising a substrate, a light source formed on the substrate, and a white and color photoexcitation light emitting layer capable of converting a light emitted from the light source into a light having a different wavelength, where the white and color photoexcitation light emitting layer is fabricated by mixing a matrix polymer, white and color photoexcitation light emitting materials and a solvent, spinning the resulting mixture to prepare an ultrafine composite fiber layer of the matrix polymer/photoexcitation light emitting materials, and thermocompressing the ultrafine composite fiber layer; and a method for fabrication thereof. The white and color photoexcitation light emitting sheet according to the present invention has uniform brightness and color coordinates and exhibits high color reproducibility.

White and color photoexcitation light emitting sheet and method for the fabrication thereof

The present invention relates to an organic thin film transistor comprising a photocurable transparent inorganic/polymer composite layer as a gate insulator layer in which metal oxide nanoparticles are generated within a photocurable transparent polymer through sol-gel and photocuring reactions and whose permittivity is easily regulated; and a fabrication method thereof. Since the organic thin film transistor according to the present invention utilizes the photocurable transparent inorganic/polymer composite layer showing a significantly high and readily controllable permittivity as a gate insulator, it is capable of operating under low voltage conditions and has a high on/off current ratio due to low leakage current. Further, the organic thin film transistor according to the present invention preserves the unique properties of the photocurable transparent polymer, enabling the formation of a photocurable micropattern of a gate insulator having high processibility.

Organic thin film transistors including metal oxide nanoparticles within a photocurable transparent polymer gate insulator layer and method for fabricating the same by using sol-gel and photocuring reactions

There is provided a polymer electroluminescent device, which comprises a transparent substrate, an anode, a polymer emitting layer, a polymer insulating nanolayer and a cathode. The polymer insulating nanolayer having the dielectric constant (&#x2208;) of less than 3.0 is located between the cathode and the polymer emitting layer. According to the present invention, it is possible to obtain the polymer electroluminescent device showing more improved luminance efficiency.

High-efficiency polymer electroluminescent device with a polymer insulating nanolayer

A polymeric electroluminescent device suppresses photo-oxidation and enhances luminous stability and efficiency by using a nanocomposite of a luminescent polymer and metal nanoparticles as its emitting layer.

Polymeric electroluminescent device using an emitting layer of nanocomposites

Growing community of inventors

Seoul, South Korea

Jai Kyeong Kim