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公开(公告)号：US20170283693A1
公开(公告)日：2017-10-05
申请号：US15476174
申请日：2017-03-31
IPC: C09K11/06 , H01L33/50 , C07C213/08 , C09K11/02 , C07C217/42
CPC classification number: C09K11/06 , C09K11/02 , C09K11/025 , C09K2211/10 , C09K2211/188 , H01L33/502 , Y02B20/181
Abstract: Provided herein are metal halide perovskites, which may have a layered structure. The metal halide perovskites may emit white light. Also provided herein are neat films of the metal halide perovskites, films comprising a polymer matrix and the metal halide perovskites, and devices that include the metal halide perovskites. Methods of making metal halide perovskites also are provided.
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公开(公告)号：US12040140B2
公开(公告)日：2024-07-16
申请号：US17684991
申请日：2022-03-02
Inventor： Biwu Ma , Qingquan He
CPC classification number: H01G9/2009 , H01G9/0036 , H10K30/88 , H10K85/30 , H10K85/655 , H10K85/657 , H10K85/6572
Abstract: Methods of passivating surfaces, composite materials, and electronic devices including the composite materials. The composite materials can include a passivated film, such as a metal halide perovskite passivated with an organic dye. The electronic devices may include solar cells.
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公开(公告)号：US20240114707A1
公开(公告)日：2024-04-04
申请号：US18351603
申请日：2023-07-13
Inventor： Biwu Ma , Qingquan He
Abstract: Methods of passivating a surface. The methods may include providing a mixture including a liquid and a derivative of quinacridone, applying the mixture to a first surface of a film that includes a metal halide perovskite, and annealing the film for a time and a temperature effective to convert the derivative of quinacridone to quinacridone. Composite materials and electronic devices also are provided.
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公开(公告)号：US20240114706A1
公开(公告)日：2024-04-04
申请号：US18351601
申请日：2023-07-13
Inventor： Biwu Ma , Qingquan He
Abstract: Methods of passivating a surface. The methods may include providing a mixture including a liquid and a derivative of quinacridone, applying the mixture to a first surface of a film that includes a metal halide perovskite, and annealing the film for a time and a temperature effective to convert the derivative of quinacridone to quinacridone. Composite materials and electronic devices also are provided.
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公开(公告)号：US11466040B2
公开(公告)日：2022-10-11
申请号：US17075280
申请日：2020-10-20
Inventor： Biwu Ma , Chenkun Zhou , Zhao Yuan
Abstract: Methods of making metal halide perovskites, including methods of making micro crystals of metal halide perovskites. The metal halide perovskites, including the micro crystals, may have a 0D structure. The metal halide perovskites may be a light emitting material.
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Patent Agency Ranking
公开(公告)号：US11312735B2
公开(公告)日：2022-04-26
申请号：US16800554
申请日：2020-02-25
Abstract: Nanoscale metal halide perovskites are provided. The nanoscale metal halide perovskites may have a 2D structure, a quasi-2D structure, or a 3D structure. Methods also are provided for making the nanoscale metal halide perovskites. The color emitted by the nanoscale metal halide perovskites may be tuned.
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公开(公告)号：US20190109291A1
公开(公告)日：2019-04-11
申请号：US16156218
申请日：2018-10-10
Inventor： Biwu Ma , Chenkun Zhou , Haoran Lin , Yu Tian
Abstract: Bulk assemblies are provided, which may have desirable photoluminescence quantum efficiencies. The bulk assemblies may include two or more metal halides, and a wide band gap organic network. The wide band gap organic network may include organic cations. The metal halides may be disposed in the wide band gap organic network. Light emitting composite materials also are provided.
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公开(公告)号：US20190106325A1
公开(公告)日：2019-04-11
申请号：US16155231
申请日：2018-10-09
Inventor： Biwu Ma , Haoran Lin
IPC: C01B32/174 , H01L51/00 , B01J31/22 , B01J35/00 , C07C45/50 , C07C209/24
Abstract: Provided are organic metal halide crystals having a 1D nanotube structure. The metal halide crystals may have a unit cell that includes two or more face-sharing metal halide dimers. The metal halide crystals also may include organic cations. Methods of forming metal halide crystals having a 1D nanotube structure also are provided.
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公开(公告)号：US20180159041A1
公开(公告)日：2018-06-07
申请号：US15868647
申请日：2018-01-11
Inventor： Biwu Ma , Hanwei Gao , Yu Tian , Yichuan Ling
CPC classification number: H01L51/0034 , C08G2261/512 , C08G2261/91 , H01L51/0026 , H01L51/5056 , H01L2251/301 , H01L2251/5369
Abstract: Provided herein are perovskite-polymer films, methods of forming polymer-perovskite films, and devices including polymer-perovskite films. The polymer-perovskite films may include a plurality of methylammonium lead chloride (CH3NH3PbCl3) nanopillar crystals embedded in a polymer matrix. The devices can be optoelectronic devices, such as light emitting diodes, which include polymer-perovskite films. The polymer-perovskite films of the devices can be hole transport layers in the devices. The methods of making films may include spin casting a precursor solution followed by thermal annealing.
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公开(公告)号：US20180127443A1
公开(公告)日：2018-05-10
申请号：US15861816
申请日：2018-01-04
Inventor： Biwu Ma , Chenkun Zhou , Zhao Yuan
CPC classification number: C07F7/2208 , C09K11/06 , C09K2211/10 , C09K2211/1007 , C09K2211/188 , C30B7/14 , C30B29/12 , H01L51/005 , H01L51/502
Abstract: Provided herein are methods of making metal halide perovskites, including methods of making bulk crystals or micro crystals. The metal halide perovskites may be a light emitting material.
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