New [2,2]Fluorenophanes Give Insights into Asymmetric Charge Transfer-Mediated Exciton Delocalization along the π-π Packing Direction

Chi Shin Wang, Yu Chen Wei, Ming Lun Pan, Cheng Ham Wu, Pi Tai Chou, Yao Ting Wu

研究成果: Article同行評審

1 引文 斯高帕斯(Scopus)

摘要

A series of new [2,2]fluorenophanes has been synthesized and characterized; among them, molecules of crystallographically asymmetric anti-[2.2](1,4)(4,1)fluorenophane (K2C-2) aggregate to form one-dimensional supramolecular chain structures through effective intermolecular π-π overlapping. This, in combination with the synergistic intramolecular π-π interaction, leads to prominent dual emission mediated by charge transfer (CT) exciton delocalization. Support of this new insight is given by mapping the transition density along the π-π packing direction where the intramolecular excitation and intermolecular CT coexist in K2C-2.

原文English
頁(從 - 到)8678-8683
頁數6
期刊Chemistry - A European Journal
27
發行號34
DOIs
出版狀態Published - 2021 六月 16

All Science Journal Classification (ASJC) codes

  • 催化
  • 有機化學

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