JP2017500407A - フタル酸誘導体を含む複合ナノ粒子 - Google Patents
フタル酸誘導体を含む複合ナノ粒子 Download PDFInfo
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- JP2017500407A JP2017500407A JP2016540615A JP2016540615A JP2017500407A JP 2017500407 A JP2017500407 A JP 2017500407A JP 2016540615 A JP2016540615 A JP 2016540615A JP 2016540615 A JP2016540615 A JP 2016540615A JP 2017500407 A JP2017500407 A JP 2017500407A
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- Prior art keywords
- phthalic acid
- acid derivative
- shell
- composite particle
- core
- Prior art date
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- 239000002356 single layer Substances 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007614 solvation Methods 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000012756 surface treatment agent Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
量子ドット増強フィルム(QDEF)はLCDディスプレイの光源として使用される。QDEF中の赤色及び緑色の量子ドットを青色LEDと共に光源として使用すると、全領域の色が得られる。このフィルムは、通常のLCDディスプレイと比べて色域を改善し、LEDディスプレイと比較して低消費電力を維持するという利点を有している。
蛍光性能があり、量子ドット増強フィルムでの使用に好適である複合粒子を提供する。
本開示は、化学線によって励起されたとき蛍光発光できる蛍光半導体ナノ粒子を含有する複合粒子を提供する。複合粒子は、光学ディスプレイ用途のコーティング剤及びフィルムに使用することができる。
2種類の方法を使用して、量子収率を測定するためのサンプルを調製した。実施例1及び2は方法1を使用して評価し、対して実施例3は方法2を使用して評価した。
15ミリグラムのサンプル配位子及び1.5mLのトルエンを使用して、評価するサンプル配位子のトルエン溶液を調製した。本溶液に0.288mLの原液1(トルエン中のInP緑色ナノ結晶)を添加した。本混合物をホットプレート上で温度90℃にて1.5時間にわたり攪拌しながら加熱した後、室温まで冷却した。約0.4mLの本溶液を4mLのトルエンで希釈した。本溶液を1センチメートル四方のキュベット内に入れ、Hamamatsu Photonics(Hamamatsu City,Japan)から市販されている絶対PC量子収率測定装置であるQuantaurus分光光度計にて量子収率を測定した。
2mLの原液2(1−オクタデセン中のInP緑色ナノ結晶)に、評価するサンプル配位子40ミリグラム及びラウリン酸80ミリグラムを添加した。得られた混合物を90℃で1.5時間加熱した後、室温まで冷却させた。約0.08mLの本溶液を4mLのヘキサンで希釈した。本溶液を1センチメートル四方のキュベット内に入れ、Hamamatsu Photonics(Hamamatsu City,Japan)から市販されている絶対PC量子収率測定装置であるQuantaurus分光光度計にて測定した。
ここでの積分の範囲はサンプルのピークとブランクのピークとを指す。440nmでの励起ピーク間の差は、式(3)の分母に相当する。550nm付近の小さいピークは上記式中の分子に相当し、これがナノ結晶サンプルからの蛍光総数の尺度である。
Claims (21)
- 前記コアが第1の半導体材料を含み、前記シェルが前記第1の半導体材料とは異なる第2の半導体材料を含む、請求項1に記載の複合粒子。
- 前記コアが金属リン化物又は金属セレン化物を含む、請求項1又は2に記載の複合粒子。
- 前記コアがInP又はCdSeを含む、請求項3に記載の複合粒子。
- 前記シェルが亜鉛含有化合物を含む、請求項1〜4のいずれか一項に記載の複合粒子。
- 前記シェルが多層シェルである、請求項1〜5のいずれか一項に記載の複合粒子。
- 前記多層シェルが前記コアを被覆する内部シェルを含み、前記内部シェルがセレン化亜鉛及び硫化亜鉛を含む、請求項6に記載の複合粒子。
- 前記多層シェルが前記内部シェルを被覆する外部シェルを含み、前記外部シェルが硫化亜鉛を含む、請求項7に記載の複合粒子。
- 前記フタル酸誘導体が室温で液体である、請求項1〜8のいずれか一項に記載の複合粒子。
- 前記フタル酸誘導体が室温にて非極性有機溶媒に少なくとも1重量%の量で可溶である、請求項1〜9のいずれか一項に記載の複合粒子。
- 前記フタル酸誘導体が式(I)の化合物の混合物を含む、請求項1〜10のいずれか一項に記載の複合粒子。
- 前記フタル酸誘導体が室温で液体である、請求項15に記載の複合粒子。
- 前記フタル酸誘導体が室温にて非極性有機溶媒に少なくとも1重量%の量で可溶である、請求項15又は16に記載の複合粒子。
- 前記フタル酸誘導体が式(I)の化合物の混合物を含む、請求項15〜17のいずれか一項に記載の複合粒子。
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US10421899B2 (en) | 2014-03-10 | 2019-09-24 | 3M Innovative Properties Company | Composite nanoparticles including a thiol-substituted silicone |
WO2015153148A1 (en) | 2014-04-02 | 2015-10-08 | 3M Innovative Properties Company | Composite nanoparticles including a thioether ligand |
US10619096B2 (en) | 2018-01-11 | 2020-04-14 | Samsung Electronics Co., Ltd. | Population of quantum dots and a composition including the same |
JP7277146B2 (ja) | 2018-01-11 | 2023-05-18 | 三星電子株式会社 | カドミウムフリー系量子ドット、その製造方法、これを含む組成物と複合体、及び表示素子 |
US10851298B2 (en) | 2018-08-30 | 2020-12-01 | Samsung Electronics Co., Ltd. | Electronic device including quantum dots |
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