JP6826072B2 - 特大量子ドットおよびその形成方法 - Google Patents
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- 239000002096 quantum dot Substances 0.000 title claims description 112
- 238000000034 method Methods 0.000 title claims description 28
- 230000015572 biosynthetic process Effects 0.000 title description 5
- 239000011701 zinc Substances 0.000 claims description 28
- 239000000956 alloy Substances 0.000 claims description 25
- 229910045601 alloy Inorganic materials 0.000 claims description 25
- 238000010438 heat treatment Methods 0.000 claims description 25
- 239000002243 precursor Substances 0.000 claims description 25
- 239000004094 surface-active agent Substances 0.000 claims description 23
- RMZAYIKUYWXQPB-UHFFFAOYSA-N trioctylphosphane Chemical compound CCCCCCCCP(CCCCCCCC)CCCCCCCC RMZAYIKUYWXQPB-UHFFFAOYSA-N 0.000 claims description 23
- 239000002245 particle Substances 0.000 claims description 19
- 229910052725 zinc Inorganic materials 0.000 claims description 15
- 229910052717 sulfur Inorganic materials 0.000 claims description 14
- 238000005424 photoluminescence Methods 0.000 claims description 13
- 229910052793 cadmium Inorganic materials 0.000 claims description 12
- 239000011541 reaction mixture Substances 0.000 claims description 12
- 229910052711 selenium Inorganic materials 0.000 claims description 12
- 229940049964 oleate Drugs 0.000 claims description 11
- CXKCTMHTOKXKQT-UHFFFAOYSA-N cadmium oxide Inorganic materials [Cd]=O CXKCTMHTOKXKQT-UHFFFAOYSA-N 0.000 claims description 10
- CFEAAQFZALKQPA-UHFFFAOYSA-N cadmium(2+);oxygen(2-) Chemical compound [O-2].[Cd+2] CFEAAQFZALKQPA-UHFFFAOYSA-N 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 10
- 230000005284 excitation Effects 0.000 claims description 9
- 230000007423 decrease Effects 0.000 claims description 8
- UHYPYGJEEGLRJD-UHFFFAOYSA-N cadmium(2+);selenium(2-) Chemical compound [Se-2].[Cd+2] UHYPYGJEEGLRJD-UHFFFAOYSA-N 0.000 claims description 7
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 claims description 3
- 239000004246 zinc acetate Substances 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims 1
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 14
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 14
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 14
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 14
- 239000005642 Oleic acid Substances 0.000 description 14
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 14
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 14
- 239000011669 selenium Substances 0.000 description 14
- CCCMONHAUSKTEQ-UHFFFAOYSA-N octadec-1-ene Chemical compound CCCCCCCCCCCCCCCCC=C CCCMONHAUSKTEQ-UHFFFAOYSA-N 0.000 description 8
- 238000006862 quantum yield reaction Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000007774 longterm Effects 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000003446 ligand Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 230000003698 anagen phase Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 238000000779 annular dark-field scanning transmission electron microscopy Methods 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- 239000002159 nanocrystal Substances 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- SWMBQMGPRYJSCI-UHFFFAOYSA-N octylphosphane Chemical compound CCCCCCCCP SWMBQMGPRYJSCI-UHFFFAOYSA-N 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/04—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a quantum effect structure or superlattice, e.g. tunnel junction
- H01L33/06—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a quantum effect structure or superlattice, e.g. tunnel junction within the light emitting region, e.g. quantum confinement structure or tunnel barrier
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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
- C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
- C09K11/025—Use of particular materials as binders, particle coatings or suspension media therefor non-luminescent particle coatings or suspension media
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
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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
- C09K11/883—Chalcogenides with zinc or cadmium
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/0004—Devices characterised by their operation
- H01L33/002—Devices characterised by their operation having heterojunctions or graded gap
- H01L33/0029—Devices characterised by their operation having heterojunctions or graded gap comprising only AIIBVI compounds
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/005—Processes
- H01L33/0083—Processes for devices with an active region comprising only II-VI compounds
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/26—Materials of the light emitting region
- H01L33/28—Materials of the light emitting region containing only elements of Group II and Group VI of the Periodic Table
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- Manufacturing & Machinery (AREA)
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- Organic Chemistry (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Composite Materials (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Optics & Photonics (AREA)
- Luminescent Compositions (AREA)
Description
100s 特大量子ドットの粒子サイズ
102 コア
102d コアの粒子サイズ
104 合金
104t 合金とコアの総直径
106 シェル
202、204、206 ステップ
Claims (18)
- 特大量子ドットであって、各前記特大量子ドットが、
CdSeから成るコアと、
ZnSから成り、前記コアの表面を包むシェルと、
前記コアと前記シェルの間に構成され、Cd、Se、Zn、およびSから成る合金と、
を含み、前記Cdおよび前記Seの含有量が、前記コアから前記シェルに向かって徐々に減少し、前記Znおよび前記Sの含有量が、前記コアから前記シェルに向かって徐々に増加し、各前記特大量子ドットの粒子サイズが10nm以上であり、
前記特大量子ドットが、励起時に90%以上の光ルミネッセンス量子効率で光を放射するものである特大量子ドット。 - 前記コアの直径が、1〜4nmであり、前記合金と前記コアの総直径が、5〜8nmであり、各前記特大量子ドットの粒子サイズが、10nm〜15nmである請求項1に記載の特大量子ドット。
- 前記特大量子ドットが、励起時に90%〜95%の範囲の光ルミネッセンス量子効率で光を放射するものである請求項1または2に記載の特大量子ドット。
- 各前記特大量子ドットの前記コアが、固定された波長範囲の光源の光を吸収し、少なくとも1つの異なる波長範囲の光を放射するものである請求項1〜3のいずれか1項に記載の特大量子ドット。
- 酢酸亜鉛(Zn(ac)2)、酸化カドミウム(CdO)、界面活性剤、および溶媒を混合してから、第1加熱処理を行うことによって、第1前駆体を提供し、前記第1前駆体が、前記界面活性剤を有するZn−複合体および前記界面活性剤を有するCd−複合体を含むステップと、
S元素、Se元素、およびトリオクチルホスフィン(TOP)を含む第2前駆体を前記第1前駆体に添加して、反応混合物を形成するステップと、
前記反応混合物に対して第2加熱処理を行った後、前記反応混合物を冷却して、前記反応混合物中に特大量子ドットを形成するステップと、
を含み、
前記第1加熱処理の温度が、260℃〜280℃の間であり、前記第2加熱処理の温度が、300℃〜320℃の間である、特大量子ドットの形成方法。 - レイン酸、トリオクチルホスフィン(TOP)、およびその組み合わせを含み、前記溶媒が、
前記界面活性剤が、オ1−オクタデセンを含む請求項5に記載の方法。 - 前記第1前駆体が、Zn−オレイン酸塩およびCd−オレイン酸塩を含む請求項5または6に記載の方法。
- 前記第1加熱処理の加熱時間が、3分〜10分である請求項5〜7のいずれか1項に記載の方法。
- 前記第2加熱処理の加熱時間が、5分〜30分である請求項5〜8のいずれか1項に記載の方法。
- 前記Zn(ac)2の含有量が、前記第1前駆体の前記合計量に対し、2〜15mmolであり、前記CdOの含有量が、0.2〜5mmolであり、前記界面活性剤の含有量が、7〜70mmolであり、前記溶媒の含有量が、40〜50mLである請求項5〜9のいずれか1項に記載の方法。
- 前記S元素の含有量が、前記第2前駆体の前記合計量に対し、2〜12mmolであり、前記Se元素の含有量が、0.1〜5.0mmolであり、前記トリオクチルホスフィン(TOP)の含有量が、5〜10mLである請求項5〜10のいずれか1項に記載の方法。
- 各前記特大量子ドットが、
CdSeから成るコアと、
ZnSから成り、前記コアの表面を包むシェルと、
前記コアと前記シェルの間に構成され、Cd、Se、Zn、およびSから成る合金と、
を含み、前記Cdおよび前記Seの含有量が、前記コアから前記シェルに向かって徐々に減少し、前記Znおよび前記Sの含有量が、前記コアから前記シェルに向かって徐々に増加する請求項5〜11のいずれか1項に記載の方法。 - 各前記特大量子ドットの粒子サイズが、10nm以上である請求項12に記載の方法。
- 前記コアの直径が、1〜4nmであり、前記合金と前記コアの総直径が、5〜8nmであり、各前記特大量子ドットの粒子サイズが、10nm〜15nmである請求項12または13に記載の方法。
- 前記特大量子ドットが、励起時に90% 以上の光ルミネッセンス量子効率で光を放射するものである請求項12〜14のいずれか1項に記載の方法。
- 前記特大量子ドットが、励起時に90%〜95%の範囲の光ルミネッセンス量子効率で光を放射するものである請求項12〜15のいずれか1項に記載の方法。
- 各前記特大量子ドットの前記コアが、固定された波長範囲の光源の光を吸収し、少なくとも1つの異なる波長範囲の光を放射することができる請求項12〜16のいずれか1項に記載の方法。
- 各前記特大量子ドットの前記コアによって放射された光の放射ピーク波長が、前記第1前駆体を提供するステップ中に前記界面活性剤の含有量が増加するにつれて、減少する請求項12〜17のいずれか1項に記載の方法。
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US15/607,253 US10096743B1 (en) | 2017-05-26 | 2017-05-26 | Gigantic quantum dots |
US15/607,253 | 2017-05-26 |
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JP6826072B2 true JP6826072B2 (ja) | 2021-02-03 |
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JP (1) | JP6826072B2 (ja) |
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KR102390712B1 (ko) * | 2017-12-29 | 2022-04-25 | 티씨엘 테크놀로지 그룹 코포레이션 | 양자점 및 그의 제조방법과 응용 |
US11515445B2 (en) * | 2019-02-26 | 2022-11-29 | Opulence Optronics Co., Ltd | Core-shell type quantum dots and method of forming the same |
US20200403126A1 (en) * | 2019-06-24 | 2020-12-24 | Osram Opto Semiconductors Gmbh | Quantum Dot Structure and Method of Producing a Quantum Dot Structure |
CN110373194B (zh) * | 2019-07-30 | 2022-09-02 | 纳晶科技股份有限公司 | 核壳型量子点、其制备方法及其应用 |
CN112779012A (zh) * | 2019-11-11 | 2021-05-11 | 欣盛光电股份有限公司 | 核-壳发光量子点材料及其制造方法 |
CN113122232B (zh) * | 2019-12-31 | 2023-06-27 | Tcl科技集团股份有限公司 | 量子点材料及其制备方法、量子点发光二极管 |
CN111423870A (zh) | 2020-03-30 | 2020-07-17 | 京东方科技集团股份有限公司 | 量子点结构、其制作方法及量子点发光器件 |
TWI745948B (zh) | 2020-05-04 | 2021-11-11 | 國立清華大學 | 中尺寸量子點 |
TWI811582B (zh) * | 2020-11-09 | 2023-08-11 | 優美特創新材料股份有限公司 | 高穩定性半導體奈米材料 |
CN114507525A (zh) * | 2022-03-10 | 2022-05-17 | 河南大学 | 一种完全梯度合金量子点及其制备方法 |
CN117025223A (zh) * | 2022-05-09 | 2023-11-10 | 欣盛光电股份有限公司 | 包覆有蓝光吸收层的量子点及其制备方法 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2292718A3 (en) * | 2004-11-11 | 2011-06-22 | Samsung Electronics Co., Ltd | Interfused nanocrystals and method of preparing the same |
KR101165100B1 (ko) * | 2005-12-01 | 2012-07-12 | 삼성전자주식회사 | 다층구조 나노결정의 제조방법 |
KR100817853B1 (ko) * | 2006-09-25 | 2008-03-31 | 재단법인서울대학교산학협력재단 | 점진적 농도구배 껍질 구조를 갖는 양자점 및 이의 제조방법 |
CN100497517C (zh) * | 2007-01-12 | 2009-06-10 | 中国科学院上海技术物理研究所 | 可调控荧光波长的ⅱ-ⅵ族半导体核壳量子点的制备方法 |
US8361823B2 (en) | 2007-06-29 | 2013-01-29 | Eastman Kodak Company | Light-emitting nanocomposite particles |
KR20100040959A (ko) * | 2007-08-06 | 2010-04-21 | 에이전시 포 사이언스, 테크놀로지 앤드 리서치 | 카드뮴 및 셀레늄 함유 나노결정질 복합물의 제조 방법 및 이로부터 수득된 나노결정질 복합물 |
JP2010535691A (ja) * | 2007-08-06 | 2010-11-25 | エージェンシー フォー サイエンス,テクノロジー アンド リサーチ | カドミウム含有ナノ結晶を形成する方法 |
CN101260294B (zh) * | 2008-03-06 | 2010-06-02 | 河南大学 | 一种核壳结构纳米晶的制备方法 |
CN101805613A (zh) * | 2010-05-07 | 2010-08-18 | 天津大学 | 表面官能团化二氧化硅水溶性改性量子点及其制备方法 |
CN101831301B (zh) * | 2010-05-26 | 2012-11-07 | 天津大学 | 双亲性高分子改性油溶性核/壳量子点及制备方法 |
KR101371883B1 (ko) | 2011-09-20 | 2014-03-07 | 엘지이노텍 주식회사 | 나노 입자, 이를 포함하는 나노 입자 복합체 및 이의 제조방법 |
DE102012215421B4 (de) * | 2012-08-30 | 2019-08-29 | Centrum Für Angewandte Nanotechnologie (Can) Gmbh | Verfahren zur Herstellung von Kern/Schale-Nanopartikeln |
US20150315721A1 (en) * | 2012-12-10 | 2015-11-05 | Xinhua Zhong | One step synthesis of core/shell nanocrystal quantum dots |
CN104498039B (zh) | 2014-12-23 | 2016-08-24 | 湖北大学 | 一种酸辅助制备CdSe/CdS/ZnS核壳结构量子点的合成方法 |
CN105802628B (zh) * | 2014-12-31 | 2019-05-17 | 比亚迪股份有限公司 | 蓝绿色发光量子点及其制备方法 |
KR101692001B1 (ko) * | 2015-04-29 | 2017-01-03 | 주식회사 나노스퀘어 | 광학적 및 화학적 안정성이 향상된 양자점 합성방법 |
WO2016200225A1 (ko) * | 2015-06-10 | 2016-12-15 | 성균관대학교산학협력단 | 양자점 또는 염료를 함유하는 대면적 필름 및 이의 제조 방법 |
TWI751144B (zh) * | 2016-03-24 | 2022-01-01 | 美商陶氏全球科技責任有限公司 | 光電子裝置及使用方法 |
CN106190128A (zh) * | 2016-07-12 | 2016-12-07 | 青岛海信电器股份有限公司 | 量子点膜、背光模组及液晶显示设备 |
CN106281311B (zh) * | 2016-08-27 | 2019-05-17 | 厦门世纳芯科技有限公司 | 一种合金量子点及其制备方法、电致发光二极管和光致发光二极管 |
CN106634946A (zh) * | 2016-09-28 | 2017-05-10 | Tcl集团股份有限公司 | 无镉核壳量子点及其制备方法 |
CN106753333A (zh) * | 2016-12-20 | 2017-05-31 | Tcl集团股份有限公司 | 一种量子点复合材料及其制备方法与量子点led |
KR101865499B1 (ko) * | 2017-02-14 | 2018-06-07 | 동우 화인켐 주식회사 | 컬러필터 및 화상표시장치 |
CN108285792A (zh) * | 2017-03-30 | 2018-07-17 | 常州华威新材料有限公司 | 一种高稳定性量子点及其制备方法与用途 |
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