• Absorption and emission spectroscopy of matrix-isolated benzo[g,h,i]perylene. An experimental and theoretical study for astrochemical applications
    X.F.D. Chillier, P. Boulet, H. Chermette, F. Salama and J. Weber
    Journal of Chemical Physics, 115 (4) (2001), p1769-1776
    DOI:10.1063/1.1376632 | unige:3332 | Abstract | Article HTML | Article PDF
The absorption and emission spectra of benzo[g,h,i]perylene, a six ring polycyclic aromatic hydrocarbon molecule (C22H12), embedded in a rare gas matrix are reported. Time dependent emission shows that this molecule exhibits sharp phosphorescence in the red. Supporting theoretical calculations using the recently developed time-dependent density-functional response theory formalism (TD–DFRT) allow a tentative assignment for the observed transitions. The astrochemical significance of the results is briefly discussed.

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