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公开(公告)号：US20220285640A1
公开(公告)日：2022-09-08
申请号：US17664428
申请日：2022-05-23
Inventor： KENJI KAWANO , TAISUKE MATSUI , AKIO MATSUSHITA , MAKI HIRAOKA
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.
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公开(公告)号：US20210091323A1
公开(公告)日：2021-03-25
申请号：US17117225
申请日：2020-12-10
Inventor： TOMOYASU YOKOYAMA , TAISUKE MATSUI
Abstract: The present disclosure provides a solar cell including a first electrode, a second electrode, a photoelectric conversion layer disposed between the first electrode and the second electrode, and an electron transport layer disposed between the first electrode and the photoelectric conversion layer. At least one of the first electrode and the second electrode has a light-transmitting property. The photoelectric conversion layer contains a perovskite compound composed of a monovalent cation, a Sn cation, and a halogen anion. The electron transport layer contains an electron transport material containing niobium oxide. The niobium oxide is amorphous. The electron transport material has a conduction band at a bottom of which an energy level with respect to a vacuum level is greater than −3.9 eV and less than −3.1 eV.
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3.发明申请公开(公告)号：US20190027317A1
公开(公告)日：2019-01-24
申请号：US16035597
申请日：2018-07-14
Inventor： TAKEYUKI SEKIMOTO , MICHIO SUZUKA , TOMOYASU YOKOYAMA , YOSHIKO MIYAMOTO , TAISUKE MATSUI
Abstract: A light-absorbing material contains a compound represented by the composition formula HC(NH2)2SnI3 and having a perovskite structure. A solid-state 1H-NMR spectrum, which is obtained by 1H-14N HMQC measurement in two-dimensional NMR at 25° C., of the compound includes a first peak at 6.9 ppm and a second peak at 7.0 ppm. A peak intensity of the first peak is equal to 80% or more of a peak intensity of the second peak.
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公开(公告)号：US20230019802A1
公开(公告)日：2023-01-19
申请号：US17935611
申请日：2022-09-27
Inventor： TAISUKE MATSUI , HIROSHI HIGUCHI , KENJI KAWANO , AKIO MATSUSHITA , TAKAYUKI NEGAMI
IPC: H01G9/20 , H01L25/04 , H01L25/065
Abstract: A solar cell includes a first substrate, a first electrode layer, a first electron transport layer, a first photoelectric conversion layer, a first hole transport layer, a second electrode layer, a third electrode layer, a second electron transport layer, a second photoelectric conversion layer, a second hole transport layer, a fourth electrode layer, and a second substrate that are disposed in the order stated. The first photoelectric conversion layer includes a first perovskite compound, and the second photoelectric conversion layer includes a second perovskite compound. The first perovskite compound has a bandgap greater than a bandgap of the second perovskite compound.
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公开(公告)号：US20190027316A1
公开(公告)日：2019-01-24
申请号：US16035593
申请日：2018-07-14
Inventor： MICHIO SUZUKA , RYUUSUKE UCHIDA , TAISUKE MATSUI
Abstract: A photosensor includes a first electrode, a second electrode that opposes the first electrode, and a photoelectric conversion layer that is disposed between the first electrode and the second electrode and converts incident light into electric charges. At least one electrode selected from the group consisting of the first electrode and the second electrode is light-transmissive. The photoelectric conversion layer contains a perovskite compound. The fluorescence spectrum of the perovskite compound has a first peak at a first wavelength and a second peak at a second wavelength that is longer than the first wavelength. The photoelectric conversion layer is in ohmic contact with each of the first electrode and the second electrode.
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Patent Agency Ranking
公开(公告)号：US20230141202A1
公开(公告)日：2023-05-11
申请号：US18150838
申请日：2023-01-06
Inventor： TAKAYUKI NEGAMI , TAKEYUKI SEKIMOTO , TAISUKE MATSUI , YUKIHIRO KANEKO
IPC: G01T1/24
CPC classification number: G01T1/24
Abstract: An ionizing radiation conversion device of the present disclosure includes a first electrode, a second electrode, and an ionizing radiation conversion layer disposed between the first electrode and the second electrode. Here, the first electrode contains a first metal, the second electrode contains at least one selected from the group consisting of second metals and metal oxides, and the ionizing radiation conversion layer contains a perovskite compound. The difference of a value of electron affinity of the ionizing radiation conversion layer minus a value of work function of the first electrode is greater than or equal to 0 eV and less than or equal to 0.4 eV.
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公开(公告)号：US20230022255A1
公开(公告)日：2023-01-26
申请号：US17935614
申请日：2022-09-27
Inventor： AKIO MATSUSHITA , TAISUKE MATSUI , KENJI KAWANO
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.
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公开(公告)号：US20220285639A1
公开(公告)日：2022-09-08
申请号：US17664427
申请日：2022-05-23
Inventor： TAISUKE MATSUI , KENJI KAWANO , AKIO MATSUSHITA , MAKI HIRAOKA
Abstract: A solar cell 100 includes a substrate 1, a first electrode 6, a carrier transport layer, such as a hole transport layer 5, a first photoelectric conversion layer 3, and a coating layer 4. The first photoelectric conversion layer 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 first photoelectric conversion layer 3 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 coating layer 4 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.
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公开(公告)号：US20220013303A1
公开(公告)日：2022-01-13
申请号：US17483637
申请日：2021-09-23
Inventor： TAISUKE MATSUI , RYOSUKE KIKUCHI , TOMOYASU YOKOYAMA , FUMIYASU OBA , YU KUMAGAI
IPC: H01G9/20
Abstract: A solar cell according to the present disclosure includes a first electrode, a second electrode, a photoelectric conversion layer located between the first electrode and the second electrode, and a semiconductor layer located between the first electrode and the photoelectric conversion layer, in which at least one selected from the group consisting of the first electrode and the second electrode is translucent, and the semiconductor layer contains a compound containing Na, Zn, and O.
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公开(公告)号：US20190221374A1
公开(公告)日：2019-07-18
申请号：US16200698
申请日：2018-11-27
Inventor： MICHIO SUZUKA , TOMOYASU YOKOYAMA , TAISUKE MATSUI
IPC: H01G9/20
CPC classification number: H01G9/2009
Abstract: The present disclosure provides a photoabsorber containing: a perovskite compound represented by the composition formula ABX3, where A represents a monovalent cation, B represents a divalent cation including a Sn cation, and X represents a halogen anion; and a trivalent cation of a Group 3 element.
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