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1.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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2.发明申请公开(公告)号：US20180226203A1
公开(公告)日：2018-08-09
申请号：US15887984
申请日：2018-02-03
Inventor： TOMOYASU YOKOYAMA , MICHIO SUZUKA , YOSHIKO MIYAMOTO , RYUUSUKE UCHIDA
CPC classification number: H01G9/2059 , C07F7/24 , H01G9/2009 , H01L51/0077 , H01L51/4206 , H01L51/422 , H01L51/4253 , H01L2251/306 , H01L2251/308 , Y02E10/549
Abstract: A light-absorbing material contains a perovskite compound represented by the composition formula HC(NH2)2PbI3. The 1H-NMR spectrum, which is obtained by 1H-14N HMQC measurement, of the perovskite compound shows a first peak of 7.2 ppm and a second peak of 7.4 ppm at 25° C., and the peak intensity of the first peak is 60% or more of the peak intensity of the second peak.
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公开(公告)号：US20190221764A1
公开(公告)日：2019-07-18
申请号：US16166344
申请日：2018-10-22
Inventor： TAKEYUKI SEKIMOTO , MICHIO SUZUKA
IPC: H01L51/44 , H01L51/42 , H01L31/055
CPC classification number: H01L51/447 , H01L31/055 , H01L51/4226 , H01L51/4233 , H01L51/441
Abstract: The present disclosure provides a photoabsorber which has a perovskite crystal structure and is represented by the composition formula ABX3, wherein A is a monovalent cation including formamidinium cation A1 and a nitrogen-containing cation A2; the nitrogen-containing cation A2 has a larger ionic radius than the formamidinium cation A1; B is a divalent cation including a Sn cation; and X is a halogen anion. The photoabsorber according to the present disclosure improves conversion efficiency of the perovskite solar cell.
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公开(公告)号：US20190221691A1
公开(公告)日：2019-07-18
申请号：US16203673
申请日：2018-11-29
Inventor： TOMOYASU YOKOYAMA , MICHIO SUZUKA
IPC: H01L31/032 , H01L31/0224 , H01L31/18
CPC classification number: H01L31/032 , H01L31/022425 , H01L31/18
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 metal Sn.
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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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Patent Agency Ranking
6.发明公开公开(公告)号：US20230220571A1
公开(公告)日：2023-07-13
申请号：US18183210
申请日：2023-03-14
Inventor： HIROSHI SHIRATAKI , HIDEAKI MURASE , TAKAO HAYASHI , MICHIO SUZUKA
IPC: C25B11/057 , C25B1/04 , C25B9/23 , C25B11/054 , C25B11/075
CPC classification number: C25B11/057 , C25B1/04 , C25B9/23 , C25B11/054 , C25B11/075
Abstract: An electrode catalyst for a water electrolysis cell includes a catalyst, and a polymer of intrinsic microporosity having a Tröger's base skeleton containing a quaternary ammonium group. A water electrolysis cell includes an anode, a cathode, and an electrolyte membrane. The electrolyte membrane is disposed between the anode and the cathode. At least one selected from the group consisting of the anode and the cathode includes the electrode catalyst.
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公开(公告)号：US20190173025A1
公开(公告)日：2019-06-06
申请号：US16260202
申请日：2019-01-29
Inventor： RYUUSUKE UCHIDA , MICHIO SUZUKA
IPC: H01L51/00 , H01L51/42 , H01L51/44 , H01L31/032
Abstract: A solar cell comprises a first electrode, a second electrode opposite to the first electrode, and a photoabsorber layer located between the first electrode and the second electrode and including a first layer and a second layer. The first layer contains a first compound which has a perovskite structure represented by the composition formula A1M1X13, where A1 is a monovalent cation, M1 is a divalent cation, and X1 is a halogen anion. The second layer contains a second compound which has a perovskite structure represented by the composition formula A2M2X23, where A2 is a monovalent cation, M2 is a divalent cation, and X2 is a halogen anion, and has a different composition from the first compound. At least one of the first compound in the first layer and the second compound in the second layer has a single orientation.
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8.发明申请公开(公告)号：US20180226202A1
公开(公告)日：2018-08-09
申请号：US15887983
申请日：2018-02-03
Inventor： TOMOYASU YOKOYAMA , MICHIO SUZUKA , YOSHIKO MIYAMOTO , RYUUSUKE UCHIDA
CPC classification number: H01G9/2059 , C07F7/24 , H01G9/2009 , H01L51/0077 , H01L51/4206 , H01L51/422 , H01L51/4253 , H01L2251/306 , H01L2251/308 , Y02E10/549
Abstract: A light-absorbing material contains a perovskite compound represented by the composition formula CH3NH3PbI3. The 1H-NMR spectrum, which is obtained by 1H-14N HMQC measurement, of the perovskite compound shows a first peak of 6.2 ppm and a second peak of 6.4 ppm at 25° C., and the peak intensity of the first peak is 15% or more of the peak intensity of the second peak.
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公开(公告)号：US20180226200A1
公开(公告)日：2018-08-09
申请号：US15941827
申请日：2018-03-30
Inventor： RYUUSUKE UCHIDA , MICHIO SUZUKA
CPC classification number: H01G9/2009 , H01L51/0031 , H01L51/0056 , H01L51/006 , H01L51/0077 , H01L51/4226 , H01L51/44 , H01L2251/306 , H02S40/30 , Y02B10/12 , Y02E10/549
Abstract: A solar cell system includes a solar cell that includes a first electrode, a second electrode that faces the first electrode, and a light absorbing layer that is located between the first electrode and the second electrode, and converts light into charges; a power supply that applies voltage between the first electrode and the second electrode; and a voltage controller. The light absorbing layer contains a compound having a perovskite crystal structure represented by AMX3 where A represents a monovalent cation, M represents a divalent cation, and X represents a halogen anion. The voltage controller controls the voltage of the power supply so that during a first period of non-power generation, an electric current of 1 μA/cm2 or more and 100 μA/cm2 or less flows in the light absorbing layer in a direction opposite to a direction in which an electric current flows during power generation.
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公开(公告)号：US20170309407A1
公开(公告)日：2017-10-26
申请号：US15493220
申请日：2017-04-21
Inventor： MICHIO SUZUKA , RYUUSUKE UCHIDA , TOMOYASU YOKOYAMA
IPC: H01G9/20 , C07C211/09
CPC classification number: H01G9/2059 , C07C211/09 , C09K11/664 , H01G9/2027 , H01L31/00 , H01L51/4253
Abstract: A light absorption material comprising: a compound having a perovskite crystal structure represented by ABX3 where the A site contains (NH2)2CH+, the B site contains Pb2+, and the X site contains I−. A ratio of the number of atoms of I to the number of atoms of Pb measured by an X-ray photoelectron spectroscopy is 2.7 or less, or a ratio of the number of atoms of I to the number of atoms of Pb measured by a Rutherford backscattering spectroscopy is 2.9 or less.
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