C3-対称光反応型トリス (アゾベンゼン) 基板における電子解離:自己組み立てと多色化
Agostino Galanti1, Valentin Diez-Cabanes2, Jasmin Santoro3
1Université de Strasbourg, CNRS , ISIS UMR 7006 , 8 allée Gaspard Monge , 67000 Strasbourg , France.
Journal of the American Chemical Society
|November 2, 2018
まとめ
研究者は光に敏感なアゾベンゼン3つの単位で 新しい分子を作りました このマルチフォトクロミックな分子は オーダーされた構造に自己組み立てられ 2次元でその特性を保持します
科学分野:
- 超分子化学
- 材料科学
- 写真化学
背景:
- マルチフォトクロム分子は 光に反応する高度な機能を備えています
- 機能的な材料の設計には 分子自己組み立てを制御することが重要です
- アゾベンゼン誘導体は,その光異性化特性のために広く研究されている.
研究 の 目的:
- 新しいC3対称マルチフォトクロム分子を合成し特徴づけること.
- 多数のアゾベンゼン単体の同時光異体化を調査する.
- 溶液と表面での自己組織化行動と超分子構造の形成を調査する.
主な方法:
- 3つのアゾベンゼン単位でC3対称な分子の合成
- 溶液の研究のための紫外線による吸収スペクトログラフィーと高性能液体染色学 (HPLC)
- スキャントンネル顕微鏡 (STM) で固体-液体インターフェイスと表面アセンブリ分析のための分子モデリング.
主要な成果:
- マルチフォトクロム分子合成に成功
- 溶液中のすべてのアゾベンゼン単体の同時光異体化が実証された.
- ダイナミックな自己アセンブリを表面上のオーダーされた超分子構造に観察し,2Dのマルチフォトクロミズムを保持する.
結論:
- 硬い支架は,アゾベンゼン単位を効果的に分離し,同時にイソメリゼーションを可能にします.
- 分子は制御可能な自己組織化を示します
- マルチフォトクロミズムは2次元の超分子組成で保存されます.
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