JP5727936B2 - 表面官能化ナノ粒子 - Google Patents
表面官能化ナノ粒子 Download PDFInfo
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- JP5727936B2 JP5727936B2 JP2011533822A JP2011533822A JP5727936B2 JP 5727936 B2 JP5727936 B2 JP 5727936B2 JP 2011533822 A JP2011533822 A JP 2011533822A JP 2011533822 A JP2011533822 A JP 2011533822A JP 5727936 B2 JP5727936 B2 JP 5727936B2
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
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- C09C3/08—Treatment with low-molecular-weight non-polymer organic compounds
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Description
本発明の第1の態様を形成する方法の第1の好適な実施形態では、ナノ粒子は第1イオン及び第2イオンを含む。第1イオンおよび第2イオンは、限定するものでないが、周期表の第11、12、13、14、15または16族などのあらゆる望ましい族から選択されることができる。第1イオンおよび/または第2イオンは、遷移金属イオンまたはd−ブロック金属イオンでもよい。好ましくは、第1イオンは、周期表の第11、12、13または14族から選択され、第2イオンは、第14、15または16族から選択される。本発明の第1の態様に基づいて生成された表面官能化ナノ粒子は、好ましくは半導体ナノ粒子(例えば、コアナノ粒子、コア−シェルナノ粒子、グレード付けされたナノ粒子、又はコア−マルチシェルナノ粒子などの所望の表面官能化を含有するナノ粒子である。)である。
成長するナノ粒子と配位子との間の反応は、あらゆる適切な溶媒の中で実施されることができる。反応は、前記ナノ粒子表面結合配位子とは異なる溶媒の中で実施されるのが好ましいが、必ずしもそうである必要はないことは理解されるべきであり、また別の実施形態では、表面結合配位子は、反応が実施される溶媒または溶媒の1つでもよいことは理解されるであろう。溶媒は、例えば、配位溶媒(即ち、成長するナノ粒子を配位する溶媒)または非配位溶媒(即ち、成長するナノ粒子を配位しない溶媒)である。好ましくは、溶媒はルイス塩基化合物であり、HDA、TOP、TOPO、DBS、オクタノールなどから成る群から選択されることができる。
表面結合配位子のナノ粒子結合基は、好ましくはシリコーン結合基とは異なる。シリコーン結合基は、選択的に除去可能となるように選択される保護基を含むことができるし、含まなくてもよい。
本発明の第2の態様では、本発明の第1の態様による方法を用いて生成した表面官能化ナノ粒子を提供し、前記表面官能化ナノ粒子は、ナノ粒子表面結合配位子に結合されるナノ粒子を含み、前記配位子は、ナノ粒子結合基およびシリコーンポリマー結合基を含む。
最初に、InPコアナノ粒子量子ドットを、分子クラスタ化合物を使用して調製し、出願人に係る同時係属中の欧州特許出願第1743054(A)号に記載の発明に従って、ナノ粒子の成長をシードした。
Claims (14)
- シリコーンポリマー材料に組み込むために用いられる、表面官能化ナノ粒子を生成する方法であって、
ナノ粒子を、ナノ粒子結合基及びシリコーンポリマー結合基を含有するナノ粒子表面結合配位子と反応させることを含み、
前記ナノ粒子結合基は、チオール基、酸基、エステル基、チオール基の塩又は酸基の塩を含有し、
前記反応により、ナノ粒子は、前記ナノ粒子表面結合配位子が結合することにより、表面が官能化される、表面官能化ナノ粒子を生成する方法。 - 表面結合配位子のシリコーン結合基は架橋基又は重合基を含む、請求項1に記載の方法。
- 表面結合配位子のシリコーン結合基は少なくとも1つの不飽和アルキル基を含む、請求項1又は2に記載の方法。
- 表面結合配位子のシリコーン結合基は2つ以上のビニル基を含む、請求項1、2又は3に記載の方法。
- 酸基は、カルボン酸、スルホン酸又はリン酸であり、エステル基は、カルボン酸エステル、スルホン酸エステル又はリン酸エステルであり、酸基の塩は、カルボン酸塩、スルホン酸塩又はリン酸塩である、請求項1乃至4の何れかに記載の方法。
- 表面結合配位子のナノ粒子結合基とシリコーンポリマー結合基とはリンカーによって結合される、請求項1乃至5の何れかに記載の方法。
- 前記リンカーは、共有結合;炭素、窒素、酸素もしくは硫黄原子;置換もしくは無置換、飽和もしくは不飽和の脂肪族基または脂環基;及び置換もしくは無置換の芳香族基、から成る群から選択される、請求項6に記載の方法。
- 前記反応は、前記ナノ粒子表面結合配位子とは異なる溶媒の中で実施される、請求項1乃至7の何れかに記載の方法。
- 前記溶媒はルイス塩基化合物である、請求項8に記載の方法。
- 前記ルイス塩基化合物は、ヘキサデシルアミン(HDA)、トリオクチルホスフィン(TOP)、トリオクチルホスフィンオキシド(TOPO)、ジベンジルスルフィド(DBS)、及びオクタノールから成る群から選択される、請求項9に記載の方法。
- 前記ナノ粒子は半導体ナノ粒子である、請求項1乃至10の何れかに記載の方法。
- 前記ナノ粒子はコア、コア−シェル又はコア−マルチシェルのナノ粒子である、請求項1乃至11の何れかに記載の方法。
- 前記ナノ粒子は、CdS、CdSe、CdTe、ZnS、ZnSe、ZnTe、InP、InAs、InSb、AlP、AlS、AlAs、AlSb、GaN、GaP、GaAs、GaSb、PbS、PbSe、Si、Ge、MgS、MgSe、MgTe及びそれらの組合せから成る群の中の1または複数の半導体材料を含む、請求項1乃至12のいずれかに記載の方法。
- 請求項1乃至13の何れかに記載の方法を用いて生成される表面官能化ナノ粒子であって、ナノ粒子表面結合配位子に結合しており、
前記ナノ粒子表面結合配位子は、ナノ粒子結合基及びシリコーンポリマー結合基を含有し、
前記ナノ粒子結合基は、チオール基、酸基、エステル基、チオール基の塩又は酸基の塩を含有する、表面官能化ナノ粒子。
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US20100113813A1 (en) | 2010-05-06 |
HK1160157A1 (zh) | 2012-08-10 |
TW201022364A (en) | 2010-06-16 |
EP2350183B1 (en) | 2017-02-15 |
CN102272217B (zh) | 2017-04-05 |
WO2010052455A1 (en) | 2010-05-14 |
US8394976B2 (en) | 2013-03-12 |
JP2012507588A (ja) | 2012-03-29 |
AU2009312587A1 (en) | 2010-05-14 |
IL212663A (en) | 2014-12-31 |
KR20110091740A (ko) | 2011-08-12 |
CA2741825C (en) | 2016-11-22 |
IL212663A0 (en) | 2011-07-31 |
CA2741825A1 (en) | 2010-05-14 |
EP2350183A1 (en) | 2011-08-03 |
CN102272217A (zh) | 2011-12-07 |
TWI515262B (zh) | 2016-01-01 |
GB0820101D0 (en) | 2008-12-10 |
AU2009312587A8 (en) | 2011-06-09 |
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