公开(公告)号：US11557689B2

公开(公告)日：2023-01-17

申请号：US16875131

申请日：2020-05-15

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Doh Kwon Lee ,  Yoon Hee Jang ,  In Ho Kim ,  Thi Kim Cuc Mai ,  Wan Soo Son ,  Jeung hyun Jeong

IPC: H01L25/00 ,  H01L31/00 ,  H02S10/00 ,  H01L31/0725 ,  H01L31/0384 ,  H01L31/032 ,  H01L31/0749 ,  H01L31/0224 ,  H01L31/18

Abstract: An integrated tandem solar cell includes a first solar cell including a rear electrode, a light absorption layer disposed on the rear electrode, and a buffer layer disposed on the light absorption layer; a recombination layer including a first transparent conductive layer disposed on the buffer layer; a nanoparticle layer that is transparent and conductive, that is disposed on the first transparent conductive layer, and that planarizes the first solar cell; and a second transparent conductive layer disposed on the nanoparticle layer; and a second solar cell that is a perovskite solar cell including a perovskite layer and that is disposed on and bonded to the second transparent conductive layer of the recombination layer. The recombination layer electrically joins the first and second solar cells and planarizes the first solar cell so that the second solar cell is uniformly deposited in all regions thereof.

公开(公告)号：US10950742B2

公开(公告)日：2021-03-16

申请号：US16343807

申请日：2017-11-01

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Doh Kwon Lee ,  In Ho Kim ,  Hee Sun Yun ,  Jang Mi Lee

IPC: C25D3/56 ,  C25D5/50 ,  C25D5/48 ,  C25D5/02 ,  C25D5/00 ,  C25D5/10 ,  H01L31/0445 ,  H01L31/0392 ,  H01L31/18

Abstract: A method for preparing a film of a CIS semiconductor compound overcoated by a color layer includes preparing an electrolyte solution by mixing precursors of film constituents including Cu, In, and Se with a solvent; configuring an electrodeposition circuit by connecting an electrochemical cell comprising the electrolyte solution, a working electrode, and a counter electrode to a voltage or current supply device; disposing a photomask having the predetermined pattern on the working electrode; producing the film through the photomask on a surface of the working electrode by applying a reduction voltage or current; disposing a light source to emit light toward the photomask; and photoelectrically depositing the film on the surface of the working electrode at least in the predetermined pattern while illuminating light through the photomask; and forming a color layer of CuSe at least in the predetermined pattern on the film employed as a working electrode using photo-electrodeposition.

公开(公告)号：US20200343309A1

公开(公告)日：2020-10-29

申请号：US16320932

申请日：2017-11-27

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Doh Kwon LEE ,  Yoon Hee Jang ,  In Ho Kim ,  Hee Sun Yun ,  Jeung Hyun Jeong

IPC: H01L27/30 ,  H01L27/28 ,  H01G9/20

Abstract: Disclosed are a monolithic solar cell and a method of manufacturing the same. More particularly, the present invention provides a monolithic solar cell including a first solar cell formed by sequentially stacking an electrode, a silicon substrate, and an n-type emitter layer; a junction layer formed on the an n-type emitter layer; an interfacial layer formed on the junction layer; and a second solar cell including a perovskite layer and integrated onto the interfacial layer. The interfacial layer according to the present invention may be pyrolyzed and thus partially or completely lost during a monolithic solar cell manufacturing process. In addition, by providing an interfacial layer between the two cells constituting a monolithic solar cell according to the present invention, charge transfer and recombination characteristics between the two cells can be improved and thus a monolithic solar cell having significantly improved photoelectric conversion efficiency can be provided.

公开(公告)号：US09180437B2

公开(公告)日：2015-11-10

申请号：US13673489

申请日：2012-11-09

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Sang Woo Kim ,  In Ho Kim ,  Dong Ju Moon

IPC: B01J23/78 ,  B01J37/03 ,  B01J37/08 ,  B01J21/10 ,  B01J23/02 ,  B01J23/42 ,  B01J23/44 ,  B01J23/46 ,  B01J23/50 ,  B01J23/52 ,  B01J23/72 ,  B01J23/745 ,  B01J23/75 ,  B01J23/755 ,  B01J35/00 ,  B01J35/10 ,  B01J20/28 ,  B01J20/04 ,  B01J20/30 ,  B01J20/02

CPC classification number: B01J23/78 ,  B01J20/0225 ,  B01J20/041 ,  B01J20/28016 ,  B01J20/28059 ,  B01J20/28061 ,  B01J20/28076 ,  B01J20/28083 ,  B01J20/3007 ,  B01J20/3092 ,  B01J21/10 ,  B01J23/02 ,  B01J23/42 ,  B01J23/44 ,  B01J23/464 ,  B01J23/50 ,  B01J23/52 ,  B01J23/72 ,  B01J23/745 ,  B01J23/75 ,  B01J23/755 ,  B01J35/002 ,  B01J35/006 ,  B01J35/1014 ,  B01J35/1033 ,  B01J35/1061 ,  B01J37/031 ,  B01J37/08

Abstract: Provided are a method of preparing a magnesium oxide structure and a magnesium oxide structure prepared by using the method. The magnesium oxide structure has meso-macro pores, a large specific surface area, and high strength, thereby enabling production of a catalyst with high catalytic activity.

Abstract translation: 提供制备通过使用该方法制备的氧化镁结构和氧化镁结构的方法。 氧化镁结构具有中孔大孔，比表面积大，强度高，能够制造催化剂活性高的催化剂。

公开(公告)号：US11527673B2

公开(公告)日：2022-12-13

申请号：US16333252

申请日：2017-11-01

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Doh Kwon Lee ,  In Ho Kim ,  Won Mok Kim ,  Jong Keuk Park ,  Taek Sung Lee ,  Doo Seok Jeong ,  Hyeon Seung Lee ,  Jeung Hyun Jeong

IPC: B82Y40/00 ,  H01L31/18 ,  H01L31/054 ,  B81C1/00 ,  H01L31/0236

Abstract: An embodiment includes a method of texturing a semiconductor substrate, a semiconductor substrate manufactured using the method, and a solar cell including the semiconductor substrate, the method including: forming metal nanoparticles on a semiconductor substrate, primarily etching the semiconductor substrate, removing the metal nanoparticles, and secondarily etching the primarily etched semiconductor substrate to form nanostructures.

公开(公告)号：US08785230B2

公开(公告)日：2014-07-22

申请号：US13723555

申请日：2012-12-21

Applicant: Korea Institute of Science and Technology

Inventor： Taek Sung Lee ,  Kyeong Seok Lee ,  In Ho Kim ,  Wook Seong Lee ,  Doo Seok Jeong ,  Won Mok Kim ,  Byung Ki Cheong

IPC: H01L21/00 ,  H01L31/18 ,  H01L31/032

CPC classification number: H01L31/186 ,  B82Y15/00 ,  G01N21/554 ,  G01N33/54373 ,  G02B5/008 ,  H01L31/0324 ,  H01L31/18

Abstract: A localized surface plasmon resonance sensor may include a localized surface plasmon excitation layer including a chalcogenide material. The chalcogenide material may include: a first material including at least one of selenium (Se) and tellurium (Te); and a second material including at least one of germanium (Ge) and antimony (Sb). The localized surface plasmon excitation layer may be prepared by forming a thin film including the chalcogenide material and crystallizing the thin film to have a predetermined pattern by irradiating laser on the thin film.

Abstract translation: 局部表面等离子体共振传感器可以包括含有硫族化物材料的局部表面等离子体激元层。 硫族化物材料可以包括：包含硒（Se）和碲（Te）中的至少一种的第一材料; 和包含锗（Ge）和锑（Sb）中的至少一种的第二材料。 局部表面等离子体激发层可以通过形成包括硫属化物材料的薄膜并通过在薄膜上照射激光来使薄膜结晶以具有预定图案来制备。

公开(公告)号：US20200274015A1

公开(公告)日：2020-08-27

申请号：US16366111

申请日：2019-03-27

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Jeung Hyun Jeong ,  In Ho Kim ,  Won Mok Kim ,  Jong Keuk Park ,  Hyeong Geun Yu

IPC: H01L31/0725 ,  H01L31/074 ,  H01L31/0749 ,  H01L31/0224 ,  H01L31/0352 ,  H01L31/18 ,  B23K26/00 ,  B23K26/06 ,  B23K26/0622 ,  B23K26/53

Abstract: Provided is a multi-junction solar cell in which two or more absorption layers having different bandgaps are stacked on one another. The multi-junction solar cell includes a first cell including a first absorption layer, and a second cell electrically connected in series onto the first cell, wherein the second cell includes a second absorption layer having a higher bandgap compared to the first absorption layer, and a plurality of recesses penetrating through the second absorption layer.

公开(公告)号：US09776172B2

公开(公告)日：2017-10-03

申请号：US13975861

申请日：2013-08-26

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Sang Woo Kim ,  In Ho Kim ,  Dong Ju Moon

IPC: B01J27/224 ,  B01J23/42 ,  B01J23/44 ,  B01J23/46 ,  B01J23/50 ,  B01J23/52 ,  B01J23/72 ,  B01J23/745 ,  B01J23/75 ,  B01J23/755 ,  B01J35/06 ,  B01J35/10 ,  B01J37/00 ,  B82Y30/00 ,  B82Y40/00

CPC classification number: B01J23/42 ,  B01J23/44 ,  B01J23/464 ,  B01J23/50 ,  B01J23/52 ,  B01J23/72 ,  B01J23/745 ,  B01J23/75 ,  B01J23/755 ,  B01J35/06 ,  B01J35/1014 ,  B01J35/1038 ,  B01J35/1061 ,  B01J37/0009 ,  B82Y30/00 ,  B82Y40/00

Abstract: Provided are a porous silicon carbide nanocomposite structure comprising nanowires that are self-formed, a preparation method thereof, and a catalyst comprising the same, in which the catalyst with excellent activity may be prepared by uniformly supporting a catalytically active component in meso-macro pores and nanowires.

公开(公告)号：US11489014B2

公开(公告)日：2022-11-01

申请号：US16320932

申请日：2017-11-27

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Doh Kwon Lee ,  Yoon Hee Jang ,  In Ho Kim ,  Hee Sun Yun ,  Jeung Hyun Jeong

IPC: H01L27/30 ,  H01G9/20 ,  H01L27/28 ,  H01L31/0687 ,  H01L51/42 ,  H01L31/0224

Abstract: A monolithic solar cell includes a first solar cell that is a sequential stack of an electrode, a silicon substrate, and an n-type emitter layer; a recombination layer disposed on the n-type emitter layer; an interfacial layer that is a double layer constituted of PEDOT:PSS and poly-TPD or PEDOT:PSS and PCDTBT, and that is disposed on the recombination layer; and a second solar cell that includes a p-type hole selective layer and a perovskite layer disposed on the p-type hole selective layer, the a p-type hole selective layer contacting and being integrated onto the interfacial layer of the first solar cell in a heat treatment during which the interfacial layer is partially decomposed, wherein the presence of the interfacial layer prevents a reduction in photoelectric conversion efficiency that occurs if the first solar cell and the second solar cell are combined without the presence of the interfacial layer.

公开(公告)号：US11233165B2

公开(公告)日：2022-01-25

申请号：US16366111

申请日：2019-03-27

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Jeung Hyun Jeong ,  In Ho Kim ,  Won Mok Kim ,  Jong Keuk Park ,  Hyeong Geun Yu

IPC: H01L31/0725 ,  H01L31/074 ,  H01L31/0749 ,  H01L31/0224 ,  H01L31/0352 ,  H01L31/18 ,  B23K26/00 ,  B23K26/06 ,  B23K26/0622 ,  B23K26/53 ,  B23K101/40

Abstract: Provided is a multi-junction solar cell in which two or more absorption layers having different bandgaps are stacked on one another. The multi-junction solar cell includes a first cell including a first absorption layer, and a second cell electrically connected in series onto the first cell, wherein the second cell includes a second absorption layer having a higher bandgap compared to the first absorption layer, and a plurality of recesses penetrating through the second absorption layer.