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Two-photon excitation spectroscopy of phenanthrene singlet states below 50000 cm-1

Dick, Bernhard and Hohlneicher, Georg (1983) Two-photon excitation spectroscopy of phenanthrene singlet states below 50000 cm-1. Chemical Physics Letters 97 (3), pp. 324-330.

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The 2-photon excitation spectrum of phenanthrene in liq. solns. is reported in the energy range 29,000-49,000 cm-1. Comparison with the 1-photon spectrum and extended CNDO/S calcns. allows assignment of 8 singlet states. The strongest 2-photon band is assigned to the Bb state not seen directly in the UV spectrum. This high intensity and other features of the spectrum are in sharp contrast to the pairing selection rules which forbid 2-photon transitions to plus states in alternant hydrocarbons.

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Item type:Article
Additional Information (public):CAN 99:13326 73-5 Optical, Electron, and Mass Spectroscopy and Other Related Properties 85-01-8 Role: PRP (Properties) (two-photon excitation spectrum of singlet states of, in soln.)
Institutions:Chemistry and Pharmacy > Institut für Physikalische und Theoretische Chemie > Chair of Chemistry III - Physical Chemistry (Molecular Spectroscopy and Photochemistry) > Prof. Dr. Bernhard Dick
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Keywords:Laser radiation (excitation by two photons of, of phenanthrene singlet states); Photon (excitation by two, of phenanthrene singlet states); Luminescence (of phenanthrene singlet states, two-photon excitation in); single phenanthrene two photon excitation
Dewey Decimal Classification:500 Science > 540 Chemistry & allied sciences
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:No
Item ID:5524
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