トポロジカル・アイソメリスム in 三次元共性有機フレームワーク
Yaozu Liu1, Jingwei Li2, Jia Lv2
1State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130012, People's Republic of China.
Journal of the American Chemical Society
|April 18, 2023
まとめ
研究者らは,四面体構造ブロックを使用して3D共性有機フレームワーク (COF) で最初のトポロジカル同位体を作製した. これらの同位体であるJUC-620 (dia net) とJUC-621 (qtz net) は,異なる毛穴サイズと吸収特性を有する.
科学分野:
- 材料科学
- 有機化学
- ナノテクノロジー
背景:
- 同位体化は有機化学では一般的であるが,共性有機フレームワーク (COF) では稀である.
- 3D COFでトポロジカル構造を制御することは依然として課題です.
研究 の 目的:
- 3D COFでトポロジカルアイソマーの最初の制御可能な合成を報告する.
- これらの同位体間の構造と性質の違いを調査する.
主な方法:
- 異なる溶媒の下で特徴的な四面体構造ユニットを使用して3DCOFの合成.
- 粉末X線微分と伝送電子顕微鏡による構造の決定.
主要な成果:
- JUC-620 (dia net) とJUC-621 (qtz net) の2つのトポロジック同位体合成に成功しました.
- JUC-621 (qtz net) は,JUC-620 (dia net, ∼12 Å, 980 m2 g−1) に比べて,より大きなメソポール (∼23 Å) とより大きな表面積 (∼2060 m2 g−1) を表している.
- JUC-621は,染料分子の除去とヨウ素吸収 (6. 7 g g−1) で,JUC-620 (2. 9 g g−1) に比べて優れた性能を示しています.
結論:
- COFイソマーを製造するための新しい戦略が開発されました.
- COFの構造的多様性は,同位体制御によって達成できます.
- これらのCOFイソメアは,吸収と分離において有望な用途を示しています.
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