公开(公告)号：US11292728B2

公开(公告)日：2022-04-05

申请号：US16416253

申请日：2019-05-19

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Akio Matsushita ,  Hiroko Okumura

IPC: C01G17/00 ,  H01L51/42 ,  H01G9/20

Abstract: A light-absorbing material includes a compound, wherein the compound has a perovskite crystal structure represented by the formula AMX3 where a Cs+ ion is located at an A-site, a Ge2+ ion is located at an M-site, and I− ions are located at X-sites, and at least a part of the compound has an orthorhombic perovskite crystal structure. An X-ray diffraction pattern of the compound measured using Cu Kα radiation may have a first peak at a diffraction angle (2θ) of 25.4° or more and 25.8° or less and a second peak at a diffraction angle (2θ) of 24.9° or more and 25.3° or less, and an intensity of the first peak may be 30% or more of an intensity of the second peak.

公开(公告)号：US09960306B2

公开(公告)日：2018-05-01

申请号：US14683606

申请日：2015-04-10

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Tohru Nakagawa ,  Akio Matsushita

IPC: H01L31/055 ,  H01L31/02 ,  H01L31/0475 ,  H01L31/054 ,  H02S40/22

CPC classification number: H01L31/055 ,  H01L31/02008 ,  H01L31/022425 ,  H01L31/0475 ,  H01L31/048 ,  H01L31/0543 ,  H02S20/32 ,  H02S40/22 ,  Y02E10/52

Abstract: A condensing photoelectric conversion apparatus includes a first photoelectric conversion module and a second photoelectric conversion module. The first and second condensing photoelectric conversion modules each include a power generating element, a condensing lens located on the power generating element and having a front surface with a convex portion and a flat rear surface, a transparent first resin located between the power generating element and the rear surface of the condensing lens, a colored second resin located on the rear surface of the condensing lens and around the power generating element, and a third resin located between the condensing lens of the first photoelectric conversion module and the condensing lens of the second photoelectric conversion module, and having a refractive index n1 satisfying a relational expression n0−0.05≤n1≤n0+1.0 with a refractive index n0 of the condensing lens.

公开(公告)号：US11943941B2

公开(公告)日：2024-03-26

申请号：US17529334

申请日：2021-11-18

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Hiroko Okumura ,  Akio Matsushita

IPC: H10K30/57 ,  H01L31/0224 ,  H01L31/043

CPC classification number: H10K30/57 ,  H01L31/022433 ,  H01L31/043 ,  Y02E10/549

Abstract: The solar cell of the present disclosure includes: a first substrate having light-transmitting properties; a second substrate having light-transmitting properties; a third substrate disposed such that the second substrate is located between the first and third substrates; a first photoelectric conversion layer disposed between the first substrate and the second substrate and containing a perovskite material; a second photoelectric conversion layer disposed between the second substrate and the third substrate; and a pair of electrodes disposed so as to sandwich the first photoelectric conversion layer therebetween in a direction perpendicular to the arrangement direction of the first substrate, the second substrate, and the third substrate.

公开(公告)号：US11696456B2

公开(公告)日：2023-07-04

申请号：US17664428

申请日：2022-05-23

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Kenji Kawano ,  Taisuke Matsui ,  Akio Matsushita ,  Maki Hiraoka

IPC: H10K30/15 ,  H01G9/20 ,  H10K30/86 ,  H10K30/85

CPC classification number: H10K30/151 ,  H01G9/2059 ,  H10K30/85 ,  H10K30/86

Abstract: A solar cell 100 includes a substrate 1, a first electrode 6, an electron transport layer 2, a first photoelectric conversion layer 3, and a coating layer 5. The first photoelectric conversion layer 3 is disposed between the first electrode 6 and the substrate 1. The substrate 1 has a first main surface and a second main surface, and the second main surface has an uneven structure. The electron transport layer 2 has a first main surface and a second main surface, and the first main surface and the second main surface each have an uneven structure. The first photoelectric conversion layer 3 has a first main surface and a second main surface. The second main surface of the substrate 1 faces the first main surface of the electron transport layer 2.

公开(公告)号：US11647640B2

公开(公告)日：2023-05-09

申请号：US17664428

申请日：2022-05-23

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Kenji Kawano ,  Taisuke Matsui ,  Akio Matsushita ,  Maki Hiraoka

IPC: H10K30/15 ,  H01G9/20 ,  H10K30/86 ,  H10K30/85

CPC classification number: H10K30/151 ,  H01G9/2059 ,  H10K30/85 ,  H10K30/86

Abstract: A solar cell 100 includes a substrate 1, a first electrode 6, an electron transport layer 2, a first photoelectric conversion layer 3, and a coating layer 5. The first photoelectric conversion layer 3 is disposed between the first electrode 6 and the substrate 1. The substrate 1 has a first main surface and a second main surface, and the second main surface has an uneven structure. The electron transport layer 2 has a first main surface and a second main surface, and the first main surface and the second main surface each have an uneven structure. The first photoelectric conversion layer 3 has a first main surface and a second main surface. The second main surface of the substrate 1 faces the first main surface of the electron transport layer 2.

公开(公告)号：US12063799B2

公开(公告)日：2024-08-13

申请号：US17525856

申请日：2021-11-12

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Maki Hiraoka ,  Toru Nakamura ,  Ryuusuke Uchida ,  Akio Matsushita

IPC: H10K30/80 ,  H01G9/20 ,  H10K71/15 ,  H10K71/40 ,  H10K85/30

CPC classification number: H10K30/80 ,  H01G9/2059 ,  H10K85/30 ,  H10K71/15 ,  H10K71/40

Abstract: The present disclosure provides a photoelectric conversion film having a high light absorption ability and a long carrier life. A photoelectric conversion film of the present disclosure includes a perovskite compound including a monovalent formamidinium cation, a Pb cation and an iodide ion. The film thickness of the photoelectric conversion film is greater than or equal to 1 μm. In the photoelectric conversion film, the ratio of root mean square roughness Rq to the film thickness is less than or equal to 0.13.

公开(公告)号：US12027324B2

公开(公告)日：2024-07-02

申请号：US17935614

申请日：2022-09-27

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Akio Matsushita ,  Taisuke Matsui ,  Kenji Kawano

IPC: H01G9/20 ,  H10K30/30 ,  H10K30/57 ,  H10K39/00 ,  H10K85/10 ,  H10K102/00

CPC classification number: H01G9/20 ,  H10K30/30 ,  H10K30/57 ,  H10K39/601 ,  H10K85/1135 ,  H10K85/141 ,  H10K2102/00

Abstract: A solar cell includes a first substrate, a first hole transport layer, a first photoelectric conversion layer containing a perovskite compound, and a second photoelectric conversion layer containing a photoelectric conversion material in this order. A band gap of the perovskite compound is greater than a band gap of the photoelectric conversion material. With respect to an absorption wavelength of the first photoelectric conversion layer 3, a refractive index nA of the first hole transport layer 2 satisfies refractive index of the first substrate≤nA≤refractive index of the first photoelectric conversion layer. Further, with respect to a transmission wavelength of the first photoelectric conversion layer 3 and an absorption wavelength of the second photoelectric conversion layer 5, a refractive index nB of the first hole transport layer 2 satisfies refractive index of the first substrate≤nB≤refractive index of the first photoelectric conversion layer.