The spectroscopy and photophysics of three 9,10-diaryl phenanthrene derivatives

  • Zhang P
  • Winnik M
  • Zhi Yuan Wang
  • 4

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Abstract

The spectroscopic and photophysical properties of three 9,10-diaryl phenanthrene derivatives (fluorophenyl, methoxyphenyl and hydroxyphenyl phenanthrenes) have been studied in cyclohexane and in methanol. The UV absorption, fluorescence excitation and emission spectra have been recorded for these three compounds. From these experiments, molar extinction coefficients, Stokes shifts and quantum yields have been calculated or measured. Fluorescence lifetimes have also been measured by using a time-correlated single-photon counting technique. The radiative decay rate constants based on the quantum yields and lifetimes have finally been obtained. Solvent polarity and the nature of the substituent have an influence on the spectroscopic characteristics. © 1995.

Author-supplied keywords

  • 9,10-Diaryl phenanthrene derivatives
  • Photophysics
  • Spectroscopy

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Authors

  • Ping Zhang

  • Mitchell A. Winnik

  • Zhi Yuan Wang

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