JP2017043526A - ナノ粒子及びその製造方法 - Google Patents
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Abstract
Description
LED用封止材として使用されるCdSe系量子ドットの、ヘキサフルオロメタキシレンへの分散性を念頭に、CdSe系量子ドットの表面改質条件を調べた。
上記の実験―1で生成したCdSe系量子ドット原液3mLを、エタノール洗浄し、トルエン100μLに混合したQD液を用いて、以下の評価サンプルを生成した。
QD液を10μLごとに小分けして複数の収容部に注入し、続いて、溶媒50μL、デカンチオール(フルオロアルカンアミン系)5μL、及び、ウンデシルアミン(フルオロアルカンアミン)1μLの順に入れて、Vortexミキサーにて分散させた後、ろ過した。続いて、フッ素系樹脂溶液50μLを混合して乾燥させた。
QD液を10μLごとに小分けして複数の収容部に注入し、続いて、デカンチオール5μL、ウンデシルアミン1μL、及び、溶媒50μLの順に入れて、Vortexミキサーにて分散させた後、ろ過した。続いて、フッ素系樹脂溶液50μLを混合して乾燥させた。
上記の実験―1で生成したCdSe系量子ドット原液2.4mLを、エタノール7.2mLにて第1回の洗浄をし、エタノール3.2mLにて第2回の洗浄をしたのち、トルエン60μLに混合して得たQD液を用いて、以下の評価サンプルを生成した。
QD液を50μLごとに小分けして複数の収容部に注入し、続いて、デカンチオール5μL、ウンデシルアミン1μL、及び、溶媒であるC6F14(250μL)(D)の順に入れて、Vortexミキサーにて分散させ、遠心させて分層させたのち、下層を抽出してろ過した。そして、フッ素系樹脂溶液250μLに混合させ、その後、乾燥させた。
QD液を10μLごとに小分けして複数の収容部に注入し、続いて、デカンチオール5μL、ウンデシルアミン2μL、及び、溶媒である(C3F7)3N(50μL)(E)の順に入れて、Vortexミキサーにて分散させ、遠心させて分層させたのち、下層を抽出してろ過した。そして、フッ素系樹脂溶液250μLに混合させ、その後、乾燥させた。
Claims (11)
- ナノ粒子の表面に対して、フルオロベンゼンチオール系、フルオロアルカンアルコール系、パーフルオロカルボン酸系、フルオロアルカンチオール系、フルオロアルカンアミン系、及び、フルオロアルカンエステル系のうち、少なくともいずれか1種の表面改質剤により表面改質されたことを特徴とするナノ粒子。
- 前記フルオロアルカンアルコール系を構成するアルカンアルコールは、オクタノールであり、前記パーフルオロカルボン酸系を構成するカルボン酸は、オクタン酸であり、前記フルオロアルカンチオール系を構成するアルカンチオールは、デカンチオールであり、前記フルオロアルカンアミン系を構成するアルカンアミンは、オクチルアミンであり、前記フルオロアルカンエステル系を構成するアルカンエステルは、プロピオン酸オクチルであることを特徴とするナノ粒子。
- 前記表面改質剤として、ペンタデカフルオロオクチルアミン、あるいは、プロピオン酸トリデカフルオロオクチルが選択されることを特徴とする請求項1又は請求項2に記載のナノ粒子。
- 異なる表面改質剤が少なくとも2種以上併用されることを特徴とする請求項1から請求項3のいずれかに記載のナノ粒子。
- デカンチオールを有する表面改質剤と、ウンデシルアミンを有する表面改質剤とが併用されること特徴とする請求項4に記載のナノ粒子。
- 前記デカンチオールを有する表面改質剤が先に添加され、続いて、前記ウンデシルアミンを有する表面改質剤が添加されることを特徴とする請求項5に記載のナノ粒子。
- 前記ナノ粒子は、CdSe系量子ドットであることを特徴とする請求項1から請求項6のいずれかに記載のナノ粒子。
- 前記ナノ粒子は蛍光ナノ粒子であることを特徴とする請求項1から請求項7のいずれかに記載のナノ粒子。
- ナノ粒子を生成するステップと、
前記ナノ粒子に対して、フルオロベンゼンチオール系、フルオロアルカンアルコール系、パーフルオロカルボン酸系、フルオロアルカンチオール系、フルオロアルカンアミン系、及び、フルオロアルカンエステル系のうち、少なくともいずれか1種の表面改質剤を添加して、前記ナノ粒子の表面を表面改質処理するステップと、
を有することを特徴とするナノ粒子の製造方法。 - 表面改質処理条件として、前記表面改質剤の選択とともに、表面改質処理中での溶媒濃度及び、前記表面改質剤の濃度を調整することを特徴とする請求項9に記載のナノ粒子の製造方法。
- 前記表面改質処理のステップ後に、前記ナノ粒子の分光分析評価を行うステップを備え、
表面改質処理条件が異なる複数の評価サンプルに対して前記分光分析評価を行い、表面改質剤種、前記表面改質処理中での溶媒濃度及び、前記表面改質剤の濃度を決定することを特徴とする請求項10に記載のナノ粒子の製造方法。
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JP2015169739A JP6651310B2 (ja) | 2015-08-28 | 2015-08-28 | ナノ粒子及びその製造方法 |
CN201680049692.6A CN108291872A (zh) | 2015-08-28 | 2016-08-19 | 纳米粒子的筛选方法及筛选系统、与纳米粒子及其制造方法 |
US15/755,716 US10948412B2 (en) | 2015-08-28 | 2016-08-19 | Method and system for screening nanoparticle, and nanoparticle and method of producing the same |
PCT/JP2016/074273 WO2017038511A1 (ja) | 2015-08-28 | 2016-08-19 | ナノ粒子のスクリーニング方法及びスクリーニングシステム、並びに、ナノ粒子及びその製造方法 |
TW105127524A TWI716438B (zh) | 2015-08-28 | 2016-08-26 | 奈米粒子之篩選方法及篩選系統、與奈米粒子及其製造方法 |
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WO2024013880A1 (ja) * | 2022-07-13 | 2024-01-18 | シャープディスプレイテクノロジー株式会社 | ナノ粒子機能層、発光素子、表示デバイス、およびナノ粒子分散液 |
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MORENO-MANAS, M. ET AL.: "Palladium nanoparticles stabilised by polyfluorinated chains", CHEMICAL COMMUNICATIONS, vol. 2002, JPN6019029898, 21 December 2001 (2001-12-21), GB, pages 60 - 61, ISSN: 0004090041 * |
XU, XH. ET AL.: "Fabrication of superhydrophobic surfaces with perfluorooctanoic acid modified TiO2/polystyrene nanoc", COLLOIDS AND SURFACES A: PHYSICOCHEMICAL AND ENGINEERING ASPECTS, vol. 341, JPN6019029899, 25 March 2009 (2009-03-25), NL, pages 21 - 26, ISSN: 0004090042 * |
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WO2024013880A1 (ja) * | 2022-07-13 | 2024-01-18 | シャープディスプレイテクノロジー株式会社 | ナノ粒子機能層、発光素子、表示デバイス、およびナノ粒子分散液 |
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