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：US11764235B2

公开(公告)日：2023-09-19

申请号：US17191092

申请日：2021-03-03

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Hyeong Geun Yu ,  Jeung Hyun Jeong ,  Gee Yeong Kim ,  Yoon Hee Jang

IPC: H01L27/142 ,  H01L31/05 ,  H01L31/054 ,  H01L31/0224

CPC classification number: H01L27/142 ,  H01L31/022466 ,  H01L31/0504 ,  H01L31/0547

Abstract: The present invention relates to a colored tandem solar cell module, and more particularly, a high-efficiency thin-film colored tandem solar cell module which does not require separate photocurrent matching, implements a color without a separate color filter, and generates power with high efficiency. According to the present invention, it is possible to provide a colored tandem solar cell module including solar cells, which each include a bottom electrode having an inverse diode structure formed by sequentially stacking a first electrode, a first semiconductor layer, a second semiconductor layer, and a second electrode on a substrate, a light absorption layer formed on the bottom electrode, and a top electrode formed on the light absorption layer, thereby eliminating the need for photocurrent matching, implementing a color without a separate color filter, and improving efficiency.

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：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.