Laser-induced fluorescence studies of polycyclic aromatic hydrocarbons (PAH) vapors at high temperatures.

@article{Chi2001LaserinducedFS,
  title={Laser-induced fluorescence studies of polycyclic aromatic hydrocarbons (PAH) vapors at high temperatures.},
  author={Zhenxing Chi and Brian M. Cullum and D. L. Stokes and Joel Mobley and George Hugh Miller and Mohammad R Hajaligol and Tuan Vo-Dinh},
  journal={Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy},
  year={2001},
  volume={57 7},
  pages={1377-84}
}
In this work, we present the fluorescence spectra of anthracene and pyrene vapors at different elevated temperatures (from 150 to 650 degrees C) excited with the 337 nm line of a nitrogen laser. We describe the high temperature effects on the resulting spectral properties including spectral intensity, spectral bandwidth and spectral shift. We found that the PAH fluorescence spectral bandwidths become very broad as the temperature increases. The broadening is mainly due to thermal vibrational… CONTINUE READING

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