JP7084933B2 - 方向が制御されたプラズモニックナノ粒子層 - Google Patents
方向が制御されたプラズモニックナノ粒子層 Download PDFInfo
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Description
[0001]本出願は、2017年1月20日付けで出願された米国特許仮出願第62448581号の利益を主張する。
[0005]他の実施態様において、本発明は、誘電材料の対向する層の間に配置されたプラズモニックナノ粒子の層を提供する。プラズモニックナノ粒子は、少なくとも2種の異なる金属であり、異なるプラズモニック共鳴波長を有していてもよい。
[0007]他の実施態様において、プラズモニックナノ粒子の層は、配向されたナノ粒子、ランダムに配向されたナノ粒子、またはそれらの組合せで構成されていてもよい。
[00010]さらに他の実施態様において、プラズモニックナノ粒子の層は、基板または層に平行に配向されるか、あらゆる方向でランダムに配向されるか、またはそれらの組合せである。
[00015]他の実施態様において、本発明は、プラズモニックナノ粒子の複数の層を含む物品であって、プラズモニックナノ粒子の少なくとも2つの層は、同一または異なる金属を有するプラズモニックナノ粒子を有する、上記物品を提供する。
[00057]材料:硝酸銀(>99.9999%)(204390)、水素化ホウ素ナトリウム(>99.99%)(480886)、クエン酸ナトリウム三塩基二水和物(>99.0%)(S4641)、アスコルビン酸(>99.0%)(A5960)、ポリ(塩酸アリルアミン)(PAH)(平均Mw-17,500g mol”)(283215)、ポリ(アクリル酸)((PAA)(Mv-450,000g mol”)、およびポリ(ナトリウム4-スチレンスルホネート)(PSSS)(平均Mw-1,000Kg・mol-1)(434574)をシグマ-アルドリッチ(Sigma-Aldrich)から購入し、入手した状態のままで使用した。平らなガラス顕微鏡スライド(25×75mm)(カタログ番号12-544-4)をフィッシャーサイエンティフィック(Fisher Scientific)から購入し、基板または物品としてとして使用した。様々な材料、サイズおよび形状を有する他の基板も使用することができる。ナノ粒子合成は、サーモサイエンティフィック(Thermo Scientific)(商標)バーンステッド(Barnstead)(商標)GenPure(商標)プロウォーター精製システムから17.60MQ-cmで得られた超純粋脱イオン(DI)水中で行われたが、高分子電解質またはナノ粒子溶液中での堆積の後にスライドガラスを濯ぐ工程は、脱イオン水を用いて行われた。
[1]誘電材料の対向する層の間に配置されたプラズモニックナノ粒子の層を含む、層構造物。
[2]前記プラズモニックナノ粒子が、少なくとも2種の異なる金属である、[1]に記載の層構造物。
[3]前記プラズモニックナノ粒子が、異なるプラズモニック共鳴波長を有するナノ粒子を含む、[1]に記載の層構造物。
[4]前記プラズモニックナノ粒子の前記タイプが、光を吸収する、光を反射する、光を散乱させる、および光を透過させるように設計されている、[1]に記載の層構造物。
[5]前記プラズモニックナノ粒子の層が、前記層に平行に配向されている、[1]に記載の層構造物。
[6]前記プラズモニックナノ粒子の層が、前記層にあらゆる方向でランダムに配向されている、[1]に記載の層構造物。
[7]誘電材料の対向する層の間に配置されたプラズモニックナノ粒子の複数の層を含む物品。
[8]少なくとも2つの層が、異なるプラズモン共鳴波長を有するプラズモニックナノ粒子を有する、[7]に記載の物品。
[9]少なくとも2つの層が、同じプラズモン共鳴波長を有するプラズモニックナノ粒子を有する、[7]に記載の物品。
[10]各層が、光を吸収する、光を反射する、光を散乱させる、および光を透過させるように設計されたプラズモニックナノ粒子を有する、[7]に記載の物品。
[11]前記層中の前記プラズモニックナノ粒子が、配向されている、[7]に記載の物品。
[12]前記層中の前記プラズモニックナノ粒子が、ランダムに配向されている、[7]に記載の物品。
[13]前記層の1つが、前記層に平行に配向されたプラズモニックナノ粒子を有し、少なくとも1つの他の層が、前記層にあらゆる方向でランダムに配向されたナノ粒子を有する、[7]に記載の物品。
[14]誘電材料の少なくとも2つの層が、異なる厚さを有する、[7]に記載の物品。
[15]誘電材料の少なくとも2つの層が、同じ厚さを有する、[7]に記載の物品。
[16]少なくとも2つのプラズモニックナノ粒子の層が、異なる表面密度を有する、[7]に記載の物品。
[17]少なくとも2つのプラズモニックナノ粒子の層が、同じ表面密度を有する、[7]に記載の物品。
[18]前記誘電材料が、ポリマーである、[7]に記載の物品。
[19]前記誘電材料が、金属酸化物である、[7]に記載の物品。
[20]前記プラズモニックナノ粒子の少なくとも2つの層が、同一または異なる金属を有するプラズモニックナノ粒子を有する、[7]に記載の物品。
[21]前記プラズモニックナノ粒子の少なくとも2つの層が、同一または異なる金属酸化物を有するプラズモニックナノ粒子を有する、[7]に記載の物品。
[22]前記プラズモニックナノ粒子の少なくとも1つの層が、金属プラズモニックナノ粒子を有し、前記プラズモニックナノ粒子の別の層が、金属酸化物プラズモニックナノ粒子を有する、[7]に記載の物品。
[23]前記プラズモニックナノ粒子の層が、光を吸収する、光を反射する、光を散乱させる、および光を透過させる、ならびにそれらの組合せが起こるように設計されたプラズモニックナノ粒子を含有する、[1]に記載の層構造物。
[24]プラズモニックナノ粒子の各層が、光を吸収する、光を反射する、光を散乱させる、および光を透過させる、ならびにそれらの組合せが起こるように設計されたプラズモニックナノ粒子を含有する、[7]に記載の物品。
Claims (22)
- 誘電材料の対向する層の間に配置されたプラズモニックナノ粒子の層を含み、
誘電材料がポリマーであり、
プラズモニックナノ粒子がナノプレート又はナノプリズムの形状を有し、
プラズモニックナノ粒子がポリ(塩酸アリルアミン)の層の上に堆積されている、層構造物。 - 前記プラズモニックナノ粒子が、少なくとも2種の異なる金属である、請求項1に記載の層構造物。
- 前記プラズモニックナノ粒子が、異なるプラズモニック共鳴波長を有するナノ粒子を含む、請求項1または2に記載の層構造物。
- 前記プラズモニックナノ粒子が、光を吸収する、光を反射する、光を散乱させる、および光を透過させるように設計されている、請求項1~3のいずれか一項に記載の層構造物。
- 前記プラズモニックナノ粒子が、前記誘電材料の対向する層に平行に配向されている、請求項1~4のいずれか一項に記載の層構造物。
- 前記誘電材料の対向する層に平行に配向されているプラズモニックナノ粒子の層に加えて、前記誘電材料の対向する層にあらゆる方向でランダムに配向されているプラズモニックナノ粒子の別の層をさらに含む、請求項5に記載の層構造物。
- 誘電材料の対向する層の間に配置されたプラズモニックナノ粒子の複数の層を含み、
誘電材料がポリマーであり、
プラズモニックナノ粒子がナノプレート又はナノプリズムの形状を有し、
前記複数の層のうちの少なくとも1つの層が、ポリ(塩酸アリルアミン)の層の上に堆積されたプラズモニックナノ粒子を有する、物品。 - 前記複数の層の少なくとも2つの層が、異なるプラズモン共鳴波長を有するプラズモニックナノ粒子を有する、請求項7に記載の物品。
- 前記複数の層の少なくとも2つの層が、同じプラズモン共鳴波長を有するプラズモニックナノ粒子を有する、請求項7に記載の物品。
- 前記複数の層の各層が、光を吸収する、光を反射する、光を散乱させる、および光を透過させるように設計されたプラズモニックナノ粒子を有する、請求項7~9のいずれか一項に記載の物品。
- 前記ポリ(塩酸アリルアミン)の層の上に堆積されたプラズモニックナノ粒子が、前記誘電材料の対向する層に平行に配向されている、請求項7~10のいずれか一項に記載の物品。
- 前記複数の層が、前記誘電材料の対向する層に平行に配向されているプラズモニックナノ粒子の層に加えて、前記誘電材料の対向する層にあらゆる方向でランダムに配向されているプラズモニックナノ粒子の別の層をさらに含む、請求項11に記載の物品。
- 前記誘電材料の対向する層の少なくとも2つの層が、異なる厚さを有する、請求項7~12のいずれか一項に記載の物品。
- 前記誘電材料の対向する層の少なくとも2つの層が、同じ厚さを有する、請求項7~12のいずれか一項に記載の物品。
- 前記複数の層の少なくとも2つの層が、プラズモニックナノ粒子の異なる表面密度を有する、請求項7~14のいずれか一項に記載の物品。
- 前記複数の層の少なくとも2つの層が、プラズモニックナノ粒子の同じ表面密度を有する、請求項7~14のいずれか一項に記載の物品。
- 前記複数の層の少なくとも2つの層が、同一または異なる金属で構成されるプラズモニックナノ粒子を有する、請求項7~16のいずれか一項に記載の物品。
- 前記複数の層の少なくとも2つの層が、同一または異なる金属酸化物で構成されるプラズモニックナノ粒子を有する、請求項7~16のいずれか一項に記載の物品。
- 前記複数の層の少なくとも1つの層が、金属プラズモニックナノ粒子を有し、前記複数の層の別の層が、金属酸化物プラズモニックナノ粒子を有する、請求項7~16のいずれか一項に記載の物品。
- 前記プラズモニックナノ粒子の層が、光を吸収する、光を反射する、光を散乱させる、および光を透過させる、ならびにそれらの組合せが起こるように設計されたプラズモニックナノ粒子を含有する、請求項1~6のいずれか一項に記載の層構造物。
- 前記ポリマーが、ポリ(メタクリル酸メチル)をさらに含む、請求項1~6のいずれか一項に記載の層構造物。
- 前記ポリマーが、ポリ(メタクリル酸メチル)をさらに含む、請求項7~19のいずれか一項に記載の物品。
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