配合ナノシート テルピリジン-亜鉛 (II) 複合体:光活性主体材料として
Takamasa Tsukamoto1,2, Kenji Takada1, Ryota Sakamoto1,3
1Department of Chemistry, Graduate School of Science, The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.
Journal of the American Chemical Society
|March 22, 2017
まとめ
テルピリジンリガンドと亜鉛イオンを使用した新しい光発光調整ナノシート (CONASH) は,多様な構造と調整可能な光機能を示す. これらの材料は,ユニークな光学特性とアニオン交換能力により,高度な応用の可能性を示しています.
科学分野:
- 材料科学
- 超分子化学
- 写真化学
背景:
- 光発光コーディネーションナノシート (CONASH) は,リガンド設計とコーディネーションを通じて調節可能な性質を提供します.
- テルピリジン (tpy) リガンドと亜鉛 (Zn) イオンは,機能的なナノ材料を構成する重要な構成要素である.
研究 の 目的:
- 異なる構造と光機能を持つ様々なtpy-zincを合成し,特徴づけること.
- CONASHの光物理特性に対するリガンド構造とカウンターアニオンの影響を調査する.
- アニオン交換やエクシトン移動などの応用における CONASH の可能性を調査する.
主な方法:
- トルピリジンリガンドと亜鉛塩の液体/液体界面反応によるCONASHの合成.
- 調整モードとアニオン相互作用に敏感なテクニックを用いた構造的特徴付け.
- 発光スペクトロスコーピーとソルバトクロミズム研究を含む光物理測定
主要な成果:
- 2つの異なるtpy-亜鉛 (tpy) CONASHが合成された: bis ((tpy) Znモチーフの有離子1-Znと, [Zn2 ((μ-O2SO2) 2 ((tpy) 2モチーフの有中性1-Zn2 ((SO4) 2で,アニオン調整が異なる.
- 発光色は,1-Znの青 (480 nm) から,1-Zn2 (((SO4) 2の黄色 (552 nm) まで変化し,後者はソルバトールミノクロミズムを示した.
- tpyリガンド (リガンド2) の改変により,2-Znの赤色シフトオレンジ色放射 (590 nm) が発生した.
- カチオンのCONASH (1-Znと2-Zn) はアニオン交換能力を示し,アニオンキサンテンの染料を成功裏に組み込み,エクシトン移動を促進しました.
結論:
- tpy-zinc ((II) CONASHの構造と光機能は,リガンドの設計と調整アニオンの性質を変えることで高度に調節可能である.
- これらのCONASHは,変数発光とソルバトクロミズムを含む有望な光物理的性質を示しています.
- 証明されたアニオン交換とエクシトン移動能力は,多用途の光機能ナノ材料としてのtpy-zinc (II) CONASHの可能性を強調しています.
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