JP2022534328A - 発光性ドーパントを備えるマルチシェル構造ベースの量子ドット - Google Patents
発光性ドーパントを備えるマルチシェル構造ベースの量子ドット Download PDFInfo
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Abstract
Description
Claims (11)
- コアと、前記コアを取り囲むシェルとを含み、
前記コアの内部、及び前記コアと前記シェルとの界面のうちの少なくとも1つに発光性のI族ドーパント(dopant)がドープされる、量子ドット。 - 前記発光性のI族ドーパントは、カリウム(K)金属ベースのハライド系列のアニオンと結合した塩であることを特徴とする、請求項1に記載の量子ドット。
- 前記コアは、III族元素前駆体とV族元素前駆体を反応させる過程で前記発光性のI族ドーパントを注入して形成されることを特徴とする、請求項1に記載の量子ドット。
- 前記発光性のI族ドーパントは、KI、KF、KCl、KBr、KPF6、KPI6、KPCl6、KPBr6及びこれらの組み合わせのうちの少なくとも1つを含むことを特徴とする、請求項1に記載の量子ドット。
- 前記発光性のI族ドーパントは、前記コアのカチオンに対して0.1%~10%のドーピング濃度でドープされることを特徴とする、請求項1に記載の量子ドット。
- 前記コアは、III-V族化合物、II-VI族化合物、II-III-VI族化合物、III-III-II-VI族化合物及びこれらの組み合わせのうちの少なくとも1つを含むことを特徴とする、請求項1に記載の量子ドット。
- 前記コアはマルチレイヤ(multi-layer)として形成されることを特徴とする、請求項1に記載の量子ドット。
- 前記コアは、InaPb化合物(ここで、a及びbは、正の実数)を含む内部コア(inner-core)と、IncPd化合物(ここで、c及びdは、a>c、b>dを満たす正の実数)を含む外部コア(outer-core)とを含む、請求項7に記載の量子ドット。
- 前記シェルは、II-VI族化合物、II-III-VI族化合物、III-III-II-VI族化合物及びこれらの組み合わせのうちの少なくとも1つを含むことを特徴とする、請求項1に記載の量子ドット。
- 前記シェルは、内部シェル(inter-shell)と、前記内部シェルを取り囲む外部シェル(outer-shell)とを含むことを特徴とする、請求項1に記載の量子ドット。
- 前記内部シェルは、II-III-VI族化合物、III-III-II-VI族化合物及びこれらの組み合わせのうちの少なくとも1つを含み、前記外部シェルはII-VI族化合物を含む、請求項10に記載の量子ドット。
Applications Claiming Priority (3)
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KR1020200044682A KR102243744B1 (ko) | 2020-04-13 | 2020-04-13 | 발광성 도펀트를 구비하는 멀티쉘 구조 기반의 양자점 |
KR10-2020-0044682 | 2020-04-13 | ||
PCT/KR2020/006684 WO2021210722A1 (ko) | 2020-04-13 | 2020-05-22 | 발광성 도펀트를 구비하는 멀티쉘 구조 기반의 양자점 |
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JP2022534328A true JP2022534328A (ja) | 2022-07-29 |
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US (1) | US11827825B2 (ja) |
JP (1) | JP2022534328A (ja) |
KR (1) | KR102243744B1 (ja) |
CN (1) | CN113825822B (ja) |
TW (1) | TWI754394B (ja) |
WO (1) | WO2021210722A1 (ja) |
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CN116218285B (zh) * | 2022-12-30 | 2023-10-03 | 广东普加福光电科技有限公司 | 一种蓝光吸收墨水、蓝光吸收涂层的制备方法和显示结构 |
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2020
- 2020-04-13 KR KR1020200044682A patent/KR102243744B1/ko active IP Right Grant
- 2020-05-22 CN CN202080002141.0A patent/CN113825822B/zh active Active
- 2020-05-22 US US17/043,273 patent/US11827825B2/en active Active
- 2020-05-22 JP JP2020552709A patent/JP2022534328A/ja active Pending
- 2020-05-22 WO PCT/KR2020/006684 patent/WO2021210722A1/ko active Application Filing
- 2020-09-29 TW TW109133801A patent/TWI754394B/zh active
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US20070194279A1 (en) * | 2005-04-25 | 2007-08-23 | Board Of Trustees Of The University Of Arkansas | Doped semiconductor nanocrystals and methods of making same |
US20080305334A1 (en) * | 2007-06-07 | 2008-12-11 | Samsung Electronics Co., Ltd. | Core/shell nanocrystals and method for producing the same |
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US20180163129A1 (en) * | 2016-12-14 | 2018-06-14 | Samsung Electronics Co., Ltd. | Emissive nanocrystal particle, method of preparing the same and device including emissive nanocrystal particle |
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Publication number | Publication date |
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US11827825B2 (en) | 2023-11-28 |
TW202138538A (zh) | 2021-10-16 |
CN113825822A (zh) | 2021-12-21 |
CN113825822B (zh) | 2024-04-05 |
KR102243744B1 (ko) | 2021-04-23 |
WO2021210722A1 (ko) | 2021-10-21 |
US20230098866A1 (en) | 2023-03-30 |
TWI754394B (zh) | 2022-02-01 |
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