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Oligo(phenothiazine)s: Twisted intramolecular charge transfer and aggregation-induced emission

Journal of Physical Chemistry C, ISSN: 1932-7447, Vol: 117, Issue: 44, Page: 23117-23125
2013
  • 83
    Citations
  • 0
    Usage
  • 50
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    83
    • Citation Indexes
      83
  • Captures
    50

Article Description

Two 9,10-divinylanthracene oligomers containing phenothiazines (AnPHZ2 and AnPHZ4) are synthesized, and their intramolecular charge transfer as well as aggregation-induced emission (AIE) properties are investigated. Both oligomers show typical AIE properties as well as solvent polarity dependent emission. Time-resolved fluorescence spectra revealed that the twisted intramolecular charge transfer state formed in polar solvents accounts for the weak emission with large Stokes shifts, and the interactions between solvent and solutes facilitate the nonradiative decay. The restriction of intramolecular torsion induced by supramolecular interactions in aggregates eliminates the charge transfer state, thus resulting in efficient AIE. © 2013 American Chemical Society.

Bibliographic Details

Jibo Zhang; Bin Xu; Jinlong Chen; Lijuan Wang; Wenjing Tian

American Chemical Society (ACS)

Materials Science; Energy; Chemistry

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