固い三角形のプリズマ構造ブロックから多孔性の超分子ポリノットの組み立て
Penghao Li1, Zhijie Chen1, Matthew R Ryder2
1Department of Chemistry , Northwestern University , 2145 Sheridan Road , Evanston , Illinois 60208 , United States.
Journal of the American Chemical Society
|July 23, 2019
まとめ
研究者は単純なトリプチーセンのブロックを使って 複雑な3Dの多孔性超分子ノートを作りました この新しい構造は 予測可能なトポロジカルプロパティを持つ複雑な分子構造を 設計する可能性を 示しています
科学分野:
- 超分子化学
- 材料科学
- クリスタル・エンジニアリング
- ネットワーク科学
背景:
- 超分子化学は,非共性相互作用によって結合された複雑な分子組成の設計と合成に焦点を当てている.
- 定義されたトポロジーを持つ高孔性の3次元材料の構築は,材料科学における重要な課題である.
- トリプチーネの誘導体は オーダーされた超分子構造の構築に適した固い支架を提供する.
研究 の 目的:
- 水素結合の3D多孔性多分子ノートを組み立てる
- 複雑な建築物を構築するために,硬い三角形のプリズマ型のトリプチケンのビルディングブロックを使用します.
- 単純な分子単位から かつてないトポロジカル・ネットの形成を 探求する.
主な方法:
- 6つの周辺アリル-カルボキシル群で機能したトリプチーンの構成要素の合成.
- 水素結合で自己組織化して 3Dの多孔性超分子構造を形成する.
- 結晶学データとトポロジカル・ディスクリプタを用いた結果のネットワークトポロジーの分析.
主要な成果:
- 水素結合の3D多孔性超分子ノットの成功形成
- 構造は,相互接続された波状の2Dロムビックサブネットを特徴とし,傾斜ポリケテネーションを形成します.
- ポイント・シンボル (3.4^4.6^10) を持つ,前例のない6つ連結した単一網が達成され,三葉結びのモチーフを繰り返すユニットとして展示されました.
結論:
- 超分子システムは,トポロジカルに複雑なアーキテクチャを作成するために使用できます.
- トリプティケンの派生物のような 幾何学的に単純なブロックは 複雑な3Dのポリノット構造につながります
- この研究は,予測可能なノットトポロジーを持つ高度な多孔性材料を設計するための新しいアプローチを示しています.
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