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公开(公告)号：US11964879B2
公开(公告)日：2024-04-23
申请号：US16834622
申请日：2020-03-30
发明人： Steven Daniels , Nigel L. Pickett
IPC分类号： C01G39/06 , B01J27/02 , B01J27/047 , B01J27/051 , B01J27/057 , B01J35/23 , C01B19/00 , C01G9/02 , C01G39/00 , C01G41/00 , C09K11/68 , C30B7/14 , C30B19/12 , C30B29/16 , C30B29/46 , C30B29/60 , H01L21/02 , H01L29/15 , H01L29/24 , B01J23/06 , B01J23/28 , B01J23/30
CPC分类号： C01G39/06 , B01J27/02 , B01J27/047 , B01J27/051 , B01J27/0573 , B01J35/23 , C01B19/007 , C01G9/02 , C01G39/00 , C01G41/00 , C09K11/681 , C30B7/14 , C30B19/12 , C30B29/16 , C30B29/46 , C30B29/60 , H01L21/02403 , H01L21/02428 , H01L21/02568 , H01L21/02628 , H01L29/151 , H01L29/24 , B01J23/06 , B01J23/28 , B01J23/30 , C01P2002/84 , C01P2004/01 , C01P2004/04 , C01P2004/24 , C01P2004/42 , C01P2004/64 , H01L21/0237 , H01L21/024 , H01L21/02417 , H01L21/02521 , H01L21/02527 , H01L21/02532 , H01L21/02535 , H01L21/02565
摘要： A template-assisted method for the synthesis of 2D nanosheets comprises growing a 2D material on the surface of a nanoparticle substrate that acts as a template for nanosheet growth. The 2D nanosheets may then be released from the template surface, e.g. via chemical intercalation and exfoliation, purified, and the templates may be reused.
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公开(公告)号：US11274247B2
公开(公告)日：2022-03-15
申请号：US17084443
申请日：2020-10-29
发明人： Steven Daniels
IPC分类号： C09K11/68 , C09K11/02 , C07C211/08 , B82Y20/00 , C07F11/00 , C01B19/00 , C07C211/03 , C01B17/20 , C07C211/21 , C01G39/06 , C09K11/58 , C09K11/88 , C09K11/57 , C09K11/69 , C09K11/67 , C09K11/56 , C09K11/08 , C09K11/87 , C09K11/60 , B82Y30/00 , B82Y40/00 , C01G41/00
摘要： Methods of synthesizing transition metal dichalcogenide nanoparticles include forming a metal-amine complex, combining the metal-amine complex with a chalcogen source in at least one solvent to form a solution, heating the solution to a first temperature for a first period of time, and heating the solution to a second temperature that is higher than the first temperature for a second period of time.
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公开(公告)号：US10910525B2
公开(公告)日：2021-02-02
申请号：US16599931
申请日：2019-10-11
IPC分类号： H01L33/50 , B22F1/00 , B22F9/24 , C09C3/06 , C09K11/62 , B22F1/02 , B01J13/02 , C09K11/64 , C09K11/70 , C01B25/08 , H01L33/00 , C09B67/02 , B82Y20/00 , B82Y40/00
摘要： Quantum dot semiconductor nanoparticle compositions that incorporate ions such as zinc, aluminum, calcium, or magnesium into the quantum dot core have been found to be more stable to Ostwald ripening. A core-shell quantum dot may have a core of a semiconductor material that includes indium, magnesium, and phosphorus ions. Ions such as zinc, calcium, and/or aluminum may be included in addition to, or in place of, magnesium. The core may further include other ions, such as selenium, and/or sulfur. The core may be coated with one (or more) shells of semiconductor material. Example shell semiconductor materials include semiconductors containing zinc, sulfur, selenium, iron and/or oxygen ions.
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公开(公告)号：US10483440B2
公开(公告)日：2019-11-19
申请号：US15725768
申请日：2017-10-05
IPC分类号： H01L33/50 , C01B25/08 , H01L33/00 , B22F1/00 , B22F9/24 , C09C3/06 , C09K11/62 , B22F1/02 , B01J13/02 , C09K11/64 , C09K11/70 , C09B67/02 , B82Y20/00 , B82Y40/00
摘要： Quantum dot semiconductor nanoparticle compositions that incorporate ions such as zinc, aluminum, calcium, or magnesium into the quantum dot core have been found to be more stable to Ostwald ripening. A core-shell quantum dot may have a core of a semiconductor material that includes indium, magnesium, and phosphorus ions. Ions such as zinc, calcium, and/or aluminum may be included in addition to, or in place of, magnesium. The core may further include other ions, such as selenium, and/or sulfur. The core may be coated with one (or more) shells of semiconductor material. Example shell semiconductor materials include semiconductors containing zinc, sulfur, selenium, iron and/or oxygen ions.
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公开(公告)号：US09853190B2
公开(公告)日：2017-12-26
申请号：US14579237
申请日：2014-12-22
IPC分类号： H01L21/20 , H01L33/50 , C01B25/08 , H01L33/00 , B22F1/00 , B22F9/24 , C09C3/06 , C09K11/62 , B22F1/02 , B01J13/02 , C09K11/64 , C09K11/70 , C09B67/02 , B82Y20/00 , B82Y40/00
CPC分类号： H01L33/502 , B01J13/02 , B22F1/0018 , B22F1/02 , B22F9/24 , B82Y20/00 , B82Y40/00 , C01B25/088 , C01P2002/84 , C01P2004/64 , C01P2006/40 , C01P2006/60 , C09B67/0097 , C09C3/063 , C09K11/62 , C09K11/623 , C09K11/64 , C09K11/70 , H01L33/005 , H01L2933/0041 , Y10S977/774 , Y10S977/892
摘要： Quantum dot semiconductor nanoparticle compositions that incorporate ions such as zinc, aluminum, calcium, or magnesium into the quantum dot core have been found to be more stable to Ostwald ripening. A core-shell quantum dot may have a core of a semiconductor material that includes indium, magnesium, and phosphorus ions. Ions such as zinc, calcium, and/or aluminum may be included in addition to, or in place of, magnesium. The core may further include other ions, such as selenium, and/or sulfur. The core may be coated with one (or more) shells of semiconductor material. Example shell semiconductor materials include semiconductors containing zinc, sulfur, selenium, iron and/or oxygen ions.
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公开(公告)号：US09478700B2
公开(公告)日：2016-10-25
申请号：US14209603
申请日：2014-03-13
CPC分类号： C09K11/703 , B01J2/003 , C09K11/02 , H01L33/06
摘要： A scalable method for the manufacture of narrow, bright, monodisperse, photo-luminescent quantum dots prepared in the presence of a Group II-VI molecular seeding cluster fabricated in situ from a zinc salt and a thiol or selenol compound. Exemplary quantum dots have a core containing indium, phosphorus, zinc and either sulfur or selenium.
摘要翻译： 用于制造在由锌盐和硫醇或硒酚化合物原位制备的II-VI族分子晶种簇存在下制备的窄，明亮，单分散的光致发光量子点的可扩展方法。 示例性的量子点具有含有铟，磷，锌以及硫或硒的核。
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公开(公告)号：US20140264172A1
公开(公告)日：2014-09-18
申请号：US14209603
申请日：2014-03-13
IPC分类号： H01L33/06
CPC分类号： C09K11/703 , B01J2/003 , C09K11/02 , H01L33/06
摘要： A scalable method for the manufacture of narrow, bright, monodisperse, photo-luminescent quantum dots prepared in the presence of a Group II-VI molecular seeding cluster fabricated in situ from a zinc salt and a thiol or selenol compound. Exemplary quantum dots have a core containing indium, phosphorus, zinc and either sulfur or selenium.
摘要翻译： 用于制造在由锌盐和硫醇或硒酚化合物原位制备的II-VI族分子晶种簇存在下制备的窄，明亮，单分散的光致发光量子点的可扩展方法。 示例性的量子点具有含有铟，磷，锌以及硫或硒的核。
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公开(公告)号：US20210047561A1
公开(公告)日：2021-02-18
申请号：US17084443
申请日：2020-10-29
发明人： Steven Daniels
IPC分类号： C09K11/68 , C09K11/02 , C07C211/08 , B82Y20/00 , C07F11/00 , C01B19/00 , C07C211/03 , C01B17/20 , C07C211/21 , C01G39/06
摘要： Methods of synthesizing transition metal dichalcogenide nanoparticles include forming a metal-amine complex, combining the metal-amine complex with a chalcogen source in at least one solvent to form a solution, heating the solution to a first temperature for a first period of time, and heating the solution to a second temperature that is higher than the first temperature for a second period of time.
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公开(公告)号：US20170218268A1
公开(公告)日：2017-08-03
申请号：US15487218
申请日：2017-04-13
发明人： Nigel Pickett , Steven Daniels , Imrana Mushtaq
摘要： Nanoparticles include or consist essentially of (i) a core that itself includes or consists essentially of a first material, and (ii) a layer including or consisting essentially of a second material. In various embodiments, one of the first and second materials is a semiconductor material incorporating ions from group 13 and group 15 of the periodic table, and the other of the first and second materials is a metal oxide material incorporating metal ions selected from any one of groups 1 to 12, 14 and 15 of the periodic table. In other embodiments, one of the first and second materials is a semiconductor material, and the other of the first and second materials is an oxide of a metal selected from any one of groups 3 to 10 of the periodic table. Methods for preparing such nanoparticles are also described.
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公开(公告)号：US20160289552A1
公开(公告)日：2016-10-06
申请号：US15061753
申请日：2016-03-04
发明人： Matthew Werner , Benjamin Peek , Abu Mohammad Imroz Ali , Shahin Salma , Steven Daniels , James Harris
CPC分类号： C09K11/025 , B82Y20/00 , B82Y40/00 , C08G79/00 , C09K11/02 , C09K11/703 , H01L33/502 , H01L33/56 , H01L2933/0033 , H01L2933/0041 , H01L2933/005 , Y10S977/774 , Y10S977/783 , Y10S977/896 , Y10S977/95
摘要： A composition of matter comprises a plurality of quantum dots and a metal thiol polymer that acts to stabilize the quantum dots. In certain embodiments, the metal thiol polymer is a zinc thiol polymer. The zinc thiol polymer may be a zinc alkanethiolate. The zinc alkanethiolate may be zinc dodecanethiolate (Zn-DDT). A composition comprising a plurality of quantum dots and a metal thiol polymer may be formulated with one or more additional polymers as a quantum dot-containing bead or as a quantum dot-containing composite material—e.g., a multilayer film.
摘要翻译： 物质组成包括多个量子点和用于稳定量子点的金属硫醇聚合物。 在某些实施方案中，金属硫醇聚合物是硫醇锌聚合物。 硫醇锌聚合物可以是烷基硫醇锌。 烷基硫醇锌可以是十二烷硫醇锌（Zn-DDT）。 包含多个量子点和金属硫醇聚合物的组合物可以用一种或多种另外的聚合物作为含量子点的珠子或作为含量子点的复合材料（例如多层膜）配制。
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