JP2020514221A - ナノ粒子テンプレートを用いた2dナノシートのテンプレート支援合成 - Google Patents
ナノ粒子テンプレートを用いた2dナノシートのテンプレート支援合成 Download PDFInfo
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- JP2020514221A JP2020514221A JP2019535804A JP2019535804A JP2020514221A JP 2020514221 A JP2020514221 A JP 2020514221A JP 2019535804 A JP2019535804 A JP 2019535804A JP 2019535804 A JP2019535804 A JP 2019535804A JP 2020514221 A JP2020514221 A JP 2020514221A
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Classifications
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- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
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- B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
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- B01J27/047—Sulfides with chromium, molybdenum, tungsten or polonium
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
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- B01J27/057—Selenium or tellurium; Compounds thereof
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- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/20—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state
- B01J35/23—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state in a colloidal state
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
- B01J35/45—Nanoparticles
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B19/00—Selenium; Tellurium; Compounds thereof
- C01B19/007—Tellurides or selenides of metals
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G39/00—Compounds of molybdenum
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- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G41/00—Compounds of tungsten
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G9/00—Compounds of zinc
- C01G9/02—Oxides; Hydroxides
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/67—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing refractory metals
- C09K11/671—Chalcogenides
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/67—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing refractory metals
- C09K11/68—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing refractory metals containing chromium, molybdenum or tungsten
- C09K11/681—Chalcogenides
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/88—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing selenium, tellurium or unspecified chalcogen elements
- C09K11/881—Chalcogenides
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
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- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/16—Oxides
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Abstract
Description
本出願は、2016年12月30日に出願された米国仮出願第62/440,745号の利益を主張しており、その内容は、参照により全体として本明細書の一部となる。
<連邦政府による資金提供を受けた研究開発の記載>
無し。
ある実施形態では、ナノ粒子テンプレート材料は、六方結晶構造を有しており、ナノシート材料に対する格子不整合が小さく、ナノシートシェルの均一なモノレイヤの成長を進めることを可能にする。さもなければ、極度の歪みによって、欠陥が発生し、粒子成長が完全に別々になり得る。
[ZnOテンプレート合成]
[ZnOテンプレート合成]
[ZnOテンプレート合成]
Claims (20)
- 二次元(2D)ナノシートの調製方法において、
ナノ粒子テンプレートを用意する工程と、
ナノ粒子テンプレートの表面に二次元(2D)ナノシートを成長させる工程と、
ナノ粒子テンプレートの表面から二次元(2D)ナノシートを外す工程と、
ナノ粒子テンプレートと二次元(2D)ナノシートとを分離する工程と、
を含む方法。 - ナノ粒子テンプレートは、第1の結晶構造を有する材料を含んでおり、
二次元(2D)ナノシートは、第2の結晶構造を有する材料を含んでおり、
第1の結晶構造と第2の結晶構造の間の格子不整合は約5%以下である、請求項1に記載の方法。 - 第1の結晶構造と第2の結晶構造の間の格子不整合は約3%以下である、請求項2に記載の方法。
- 第1の結晶構造が六方晶である、請求項2に記載の方法。
- 二次元(2D)ナノシートは二次元(2D)量子ドットである、請求項1に記載の方法。
- 二次元(2D)ナノシートは遷移金属ジカルコゲニドナノシートである、請求項1に記載の方法。
- ナノ粒子テンプレートは量子ドットである、請求項1に記載の方法。
- ナノ粒子テンプレートの表面から二次元(2D)ナノシートを外す工程は、インターカレーション及び剥離を含む、請求項1に記載の方法。
- ナノ粒子テンプレートと二次元(2D)ナノシートとを分離する工程は、サイズ選択的分離法を含む、請求項1に記載の方法。
- サイズ選択的分離法は溶媒極性精製である、請求項9に記載の方法。
- ナノ粒子テンプレートと、
ナノ粒子テンプレートの表面を少なくとも部分的に覆う二次元(2D)遷移金属ジカルコゲニドナノシートと、
を備える組成物。 - ナノ粒子テンプレートは、第1の結晶構造を有する材料を含んでおり、
二次元(2D)遷移金属ジカルコゲニドナノシートは、第2の結晶構造を有する材料を含んでおり、
第1の結晶構造と第2の結晶構造の間の格子不整合は約5%以下である、請求項11に記載の組成物。 - 第1の結晶構造と第2の結晶構造の間の格子不整合は約3%以下である、請求項12に記載の組成物。
- 第1の結晶構造は六方晶である、請求項12に記載の組成物。
- ナノ粒子テンプレートはナノピラミッドである、請求項11に記載の組成物。
- ナノ粒子テンプレートは量子ドットである、請求項11に記載の組成物。
- ナノ粒子テンプレートはZnOナノ粒子である、請求項11に記載の組成物。
- 二次元(2D)遷移金属ジカルコゲニドナノシートは、MoS2、MoSe2、又はWS2を含む、請求項11に記載の組成物。
- 二次元(2D)遷移金属ジカルコゲニドナノシートは、二次元(2D)遷移金属ジカルコゲニド量子ドットである、請求項11に記載の組成物。
- ナノ粒子テンプレートは、金属ナノ粒子又はポリマーナノ粒子である、請求項11に記載の組成物。
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US201662440745P | 2016-12-30 | 2016-12-30 | |
US62/440,745 | 2016-12-30 | ||
PCT/IB2017/058021 WO2018122667A1 (en) | 2016-12-30 | 2017-12-15 | Template-assisted synthesis of 2d nanosheets |
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WO2018170531A1 (en) * | 2017-03-21 | 2018-09-27 | Newsouth Innovations Pty Ltd | A light emitting device |
US11302531B2 (en) | 2017-06-14 | 2022-04-12 | Alliance For Sustainable Energy, Llc | Methods of exfoliating single crystal materials |
US20180366325A1 (en) * | 2017-06-14 | 2018-12-20 | Alliance For Sustainable Energy, Llc | Methods of exfoliating single crystal materials |
WO2020132152A1 (en) * | 2018-12-18 | 2020-06-25 | Northeastern University | Two dimensional materials for use in ultra high density information storage and sensor devices |
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