レドックス活性および光ペリレンダイミドベースの固い等三角形の固体ジマー
Siva Krishna Mohan Nalluri1, Jiawang Zhou1,2, Tao Cheng3
1Department of Chemistry , Northwestern University , 2145 Sheridan Road , Evanston , Illinois 60208 , United States.
Journal of the American Chemical Society
|December 13, 2018
まとめ
研究者らは,ペリレンダイミド (PDI) とナフタレンダイミド (NDI) の単位で固い,キラルな有機三角形を開発した. これらの材料は固体冷却を克服し,高光度および光電子アプリケーションの複数の酸化還元状態を示します.
科学分野:
- 有機材料科学
- フォトニクスと光電子
- 超分子化学
背景:
- 複数のリドックス状態を持つ硬直な共電性キロプティックな有機物質は,有機電子と光学にとって極めて重要です.
- ペリレン二酸化物 (PDI) の光体は高光度であるが,固体状態では集積による放出滅に苦しんでいる.
研究 の 目的:
- PDIとピロメリティック・ダイミド (PMDI) またはナフタレン・ダイミド (NDI) ユニットを組み込んだキラル等足の三角形を設計し,合成する.
- この新しい三角形の構造の 光学,電子,磁気特性を調査します
- PDIデリバティブにおける固体排出の消火という課題に取り組む.
主な方法:
- PDI,PMDI,またはNDI単位でキラル等三角形の合成.
- 光学スペクトロスコーピー,単結晶X線 difraktion (XRD),およびサイクル電圧測定を用いた特徴付け.
- 電子と光学特性を理解するための計算モデルです.
主要な成果:
- PDIとNDI/PMDI単位で合成された硬い三角形分子.
- 固体状態でXRDによる離散的,ほぼ対面のPDI-PDI π-ダイマーを観測した.
- 溶液中の高光量,有意な固体エクシマー光度を達成した.
- NDI-PDIを含むトライアングルで優れた分子内エネルギー伝達が実証されています.
- 循環式電圧測定で複数の可及性および可逆性酸化還元状態が確認されました.
結論:
- 設計された硬い三角構造は,固体集積によって引き起こされる消火を効果的に軽減します.
- これらの材料は,分子光電子装置のための有望な光発光および再酸化特性を示しています.
- この研究は,高度なカイロプティカルな有機材料を開発するための道筋を提供します.
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