Korea Institute of Energy Research

Lg Chem, Ltd

Ara Cho

Jihye Gwak

Sejin Ahn

Jae-ho Yun

Kee Shik Shin

Kyung Hoon Yoon

SeoungKyu Ahn

Jae Ho Yun

Joo Hyung Park

Young Joo Eo

Jun Sik Cho

Young-joo Eo

Joo-hyung Park

Jun-sik Cho

Gyo Hyun Hwang

Jungup Bang

Kihwan Kim

Cheolock Song

Kyung-Hoon Yoon

Kee-Shik Shin

Jin-su Yoo

Sang Hyun Park

Young Chang Byun

Se-jin Ahn

Jin Su You

Seoung-Kyu Ahn

Jin Su Yoo

Jin-Su Yoo

Ki-Hwan Kim

Sang-hyun Park

Se Jin Ahn

Seung-kyu Ahn

Seoung Kyu Ahn

Ki Hwan Kim

Jeong Seok Lee

Mi Kyung Kim

Sung Woo Choi

Ki-Bong Song

Daehyeon Kim

Guk-Yeong Jeong

Hisun Park

Ji-Hye Gwak

Byoung Moo Min

Jong Seop Lee

Ji Hye Gwak

A catalyst for oxidative dehydrogenation of butene and a method for producing the same are described. The method includes forming a first coprecipitate, forming a second coprecipitate, and mixing the first and second coprecipitates under conditions that product a catalyst having a favorable surface chemistry profile.

Method for producing a catalyst for oxidative dehydrogenation of butene

The present invention relates to a catalyst for oxidative dehydrogenation of butene and a method for producing the same. The catalyst for oxidative dehydrogenation of butene has a large amount of Mo&#x2014;Bi phase acting as a reaction active phase on the surface, and therefore, can exhibit high catalytic activity, high conversion rate and high butadiene selectivity in the oxidative dehydrogenation of butene.

Catalyst for oxidative dehydrogenation of butene and method for producing the same

The present specification provides a ferrite catalyst, a method for preparing the same and a method for preparing butadiene using the same.

Ferrite-based catalyst, preparation method therefor, and method for preparing butadiene using same

According to the present invention, a composite including amorphous iron molybdate islands, shows a smaller island size and a uniform distribution of islands compared with a conventional composite including crystalline islands, and thus has a higher specific surface area, thereby exhibiting excellent activity as a catalyst.

Molybdenum oxide composite and preparation method therefor

A jig for a sample for a solar photovoltaic device is disclosed. The jig includes a cradle unit supporting the sample and a contact unit including at least one probe pin coming into contact with a busbar of the sample located in the cradle unit. The contact unit includes a coupling plate coupled with the cradle unit and at least one contact bar including a PCB and connected to the coupling plate, the contact bar having at least one probe pin aligned with the busbar of the sample with interposition of a probe pin connecting block. the jig includes a rotation support unit coupled with the cradle unit by a rotation shaft to allow the cradle unit to be rotated at an angle of 180&#xb0; or greater so that upper and lower surfaces of the sample supported by the cradle unit are reversed.

Jig for sample for solar photovoltaic device and solar simulator including the same

Disclosed is a crucible that exhibits stable evaporation efficiency and durability with respect to Al, is used in an evaporation source of an electron-beam evaporator, and includes a storage unit, which includes a wall and a bottom and in which a deposition material is placed, and a wetting prevention unit that includes another wall, which is taller than the wall of the storage unit, and another bottom, and is combined with an exterior of the storage unit. The wetting prevention unit is provided so that only the wall of the storage unit is wet with Al, and accordingly, the lifespan of the crucible is lengthened. Further, contact with the ceramic material in order to prevent wetting is minimized, thereby preventing a reduction in the physical properties of the thin film due to the impurities mixed with the deposited Al.

Crucible for electron-beam evaporator

A method of manufacturing a CIGS-based solar cell including a transparent rear electrode, the method comprising forming a rear electrode layer including a transparent oxide material; forming rear electrode patterns including a metal material on the rear electrode layer; forming a CIGS-based light absorption layer on the rear electrode layer on which the rear electrode patterns are formed; forming a buffer layer on the light absorption layer; and forming a front electrode including a transparent material on the buffer layer, wherein the rear electrode patterns are provided with a transmissive portion, through which light is transmitted, formed between patterns of the metal material.

Method of manufacturing cigs-based solar cell and cigs-based solar cell

The present specification relates to a preparation method for rod-shaped molybdenum oxide and a preparation method for a molybdenum oxide composite, the preparation method for rod-shaped molybdenum oxide according to the present invention may be carried out under low temperature and pressure conditions, and thus has an advantage in that it is possible to mass produce rod-shaped molybdenum oxide, and the preparation method for a molybdenum oxide composite according to the present invention has an advantage in that the molybdenum oxide composite may be synthesized at a temperature which is equal to or less than the boiling point of ethanol, and the amount of an ethanol solvent used is reduced.

Preparation method for rod-shaped molybdenum oxide and preparation method for molybdenum oxide composite

The invention relates a thin-film solar cell. In the related art, a buffer layer, a transparent electrode, and a grid electrode are formed on a light absorption layer, but in the invention, the buffer layer and the transparent electrode are not formed on a light absorption layer, and the buffer layer, the transparent electrode, and the grid electrode are formed under a CIGS face such that solar light is directly input to the light absorption layer without obstacles, and the first electrode and the buffer layer are patterned in a saw-toothed structure to engage with each other to reduce a distance by which electrons or holes generated by absorbing light energy move to the electrode or the buffer layer.

Solar cell having rear buffer layer and method of manufacturing the same

A method for manufacturing a light absorption layer of a thin film solar cell in in a method for manufacturing a solar cell transparent electrode may be provided that includes: manufacturing a Ib group element-VIa group element binary system nano particle (s); manufacturing a binary system nano particle slurry of the Ib group element-VIa group element by adding a solvent, binder and a solution precursor including Va group element to the Ib group element-VIa group element binary system nano particle (s); distributing and mixing the binary system nano particle slurry of the Ib group element-VIa group element (s); coating the binary system nano particle slurry of the Ib group element-VIa group element on the rear electrode layer(s); and performing a heat treatment process on the coated nano particle slurry by supplying the VIa group element (s).

Method for manufacturing light absorption layer of thin film solar cell and thin film solar cell using the same

Disclosed is a method of forming a chalcogen compound thin film suitable for use in a light-absorption layer of a solar cell. The method includes manufacturing a precursor liquid including an Sn precursor material and an S precursor material, applying the precursor liquid to form a precursor film, and heat-treating the precursor film. The Sn precursor material and the S precursor material are liquid materials. The present invention provides a method of forming a chalcogen compound thin film using a liquid precursor material without a sulfurization process, thereby forming a high-quality SnS thin film at low cost using a process which is suitable for mass production. Further, the light-absorption layer is formed using a process which is suitable for mass production, thus enabling the manufacture of a solar cell including the chalcogen compound thin film at low cost.

Method of forming chalcogen compound light-absorption layer thin film for solar cell

A method for manufacturing a CZTS based thin film having a dual band gap slope, comprising the steps of: forming a CuZnSnSthin film layer; forming a CuZnSn(S,Se)thin film layer; and forming a CuZnSnSthin film layer. A method for manufacturing a CZTS based solar cell having a dual band gap slope according to another aspect of the present invention comprises the steps of: forming a back contact; and forming a CZTS based thin film layer on the back contact by the method described above.

Method for manufacturing CZTS based thin film having dual band gap slope, method for manufacturing CZTS based solar cell having dual band gap slope and CZTS based solar cell thereof

Disclosed herein is a device for controlling a sample temperature during photoelectric measurement of the sample. The device for controlling a sample temperature during photoelectric measurement of the sample includes: a sample stage to which a measurement target sample is fixed; a cooling unit for cooling the sample by injecting air; and a temperature measuring unit having a thermometer that measures a temperature of the sample. The device has an effect of easily controlling the temperature of a measurement target sample by employing a direct control method for a sample temperature, in which air or cooled air is injected to the sample.

Device for controlling sample temperature during photoelectric measurement and solar cell measurement device using same

A method of fabricating an Ag&#x2014;(Cu&#x2014;)In&#x2014;Ga&#x2014;Se (A(C)IGS) based thin film using Se&#x2014;AgSe core-shell nanoparticles, an A(C)IGS based thin film fabricated by the method, and a tandem solar cell having the A(C)IGS thin film are disclosed. More particularly, a method of fabricating a densified Ag&#x2014;(Cu&#x2014;)In&#x2014;Ga&#x2014;Se (A(C)IGS) based thin film by non-vacuum coating a substrate with a slurry containing Se&#x2014;AgSe core-shell nanoparticles, an A(C)IGS based thin film fabricated by the method, and a tandem solar cell including the A(C)IGS based thin film are disclosed. According to the present invention, an A(C)IGS based thin film including Ag is manufactured by applying Se&#x2014;AgSe core-shell nanoparticles in a process of manufacturing a (C)IGS thin film, thereby providing an A(C)IGS based thin film having a wide band gap.

Method of fabricating A(C)IGS based thin film using Se-Ag2Se core-shell nanoparticles, A(C)IGS based thin film fabricated by the same, and tandem solar cells including the A(C)IGS based thin film

A method for manufacturing a CI(G)S-based thin film using a Cu&#x2014;Se two-component nanoparticle flux, and a CI(G)S-based thin film manufactured by the method are provided. The method for manufacturing the CI(G)S-based thin film, according to the present invention, comprises the steps of: manufacturing Cu&#x2014;Se two-component nanoparticles and In nanoparticles; manufacturing a slurry comprising the Cu&#x2014;Se two-component nanoparticles by mixing the Cu&#x2014;Se two-component nanoparticles, a solvent, and a binder, and manufacturing a slurry comprising the In nanoparticles by mixing the In nanoparticles, a solvent, and a binder; forming a thin film in which a plurality of layers are laminated by alternately coating the slurry comprising the Cu&#x2014;Se two-component nanoparticles and the slurry comprising the In nanoparticles on a substrate, regardless of order; and heat-processing the thin film which is formed.

Method for manufacturing CI(G)S-based thin film comprising Cu-Se thin film using Cu-Se two-component nanoparticle flux, and CI(G)S-based thin film manufactured by the method

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Seoul, South Korea

Ara Cho