内部平面内圧縮による二次元金属有機協調ネットワークの構造変形
Jun Liu1, Tao Lin, Ziliang Shi
1Shanghai Key Laboratory of Functional Materials Chemistry and Institute of Fine Chemicals, East China University of Science and Technology, Meilong Road 130, Shanghai, China.
Journal of the American Chemical Society
|October 12, 2011
まとめ
研究者らは,1,3,5-トリスピリジルベンゼンと銅が金面のネットワークを形成する方法を調査した. 分子密度の増加は,構造的変化と調整の変化を誘発し,圧縮圧力に基づく相図を明らかにします.
科学分野:
- 表面科学とは,地表科学である.
- 材料化学 材料化学について
- ナノテクノロジー ナノテクノロジー
背景:
- メタル・オーガニック・フレームワーク (MOF) の自己組み立ては,高度な材料にとって極めて重要です.
- 表面の協調行動を理解することは,分子設計に役立つ.
- 金の表面は,表面現象を研究するための一般的なプラットフォームです.
研究 の 目的:
- 1,3,5-トリスピリジルベンゼンのコーディネーションアセンブリを,Au{111}表面上の銅と研究する.
- 分子密度の増加によって誘発される構造的変容を特徴付ける.
- 自己組み立てにおける平面内圧縮圧力の役割を決定する.
主な方法:
- 超高真空 (UHV) 条件下でのスキャニングトンネル顕微鏡 (STM).
- 分子自己組み立てとネットワーク形成の分析.
- 異なる段階の定量構造分析.
主要な成果:
- 2Dハネコブの金属有機ネットワークの形成.
- 分子密度が増加する五角形,ロムビック,ジグザグ,三角形ネットワークへの多段階,不可逆的な構造的変容.
- Cu-ピリジル調整のシフト,二重結合から三重結合へ.
- 構造と調整の変化を平面内圧縮圧力に代入する.
結論:
- 平面内圧縮圧力は,自己組み立て経路とその結果,ネットワーク構造を決定する.
- ネットワーク構造と平面内圧縮を図示する相図が作成されました.
- この研究は,外部の刺激を通してMOF構造を制御するための洞察を提供します.
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