Energy dependence of optically induced exciton fission

C. E. Swenberg, Mark A Ratner, N. E. Geacintov

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

A general discussion of the kinematics of optically induced fission in organic crystals is presented. Explanations are given for the nonoccurrence of this phenomenon in certain systems, and a theoretical interpretation is offered for the photon energy dependence of the magnetic field effect on the prompt fluorescence of solid tetracene at 77°K. The structure observed by Moller and Pope below 30000 cm-1 is interpreted as a progression in the totally symmetric C-H stretching mode, where the Franck-Condon vibrational coupling constant g for the correlated pair singlet-triplet transition is found to be of the order of unity. Several experiments to test the predictions of the theory are suggested.

Original languageEnglish
Pages (from-to)2158-2162
Number of pages5
JournalJournal of Chemical Physics
Volume60
Issue number5
Publication statusPublished - 1974

Fingerprint

Magnetic field effects
progressions
Stretching
fission
unity
Kinematics
kinematics
Photons
Fluorescence
excitons
fluorescence
Crystals
photons
predictions
magnetic fields
crystals
Experiments
energy
LDS 751
naphthacene

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Swenberg, C. E., Ratner, M. A., & Geacintov, N. E. (1974). Energy dependence of optically induced exciton fission. Journal of Chemical Physics, 60(5), 2158-2162.

Energy dependence of optically induced exciton fission. / Swenberg, C. E.; Ratner, Mark A; Geacintov, N. E.

In: Journal of Chemical Physics, Vol. 60, No. 5, 1974, p. 2158-2162.

Research output: Contribution to journalArticle

Swenberg, CE, Ratner, MA & Geacintov, NE 1974, 'Energy dependence of optically induced exciton fission', Journal of Chemical Physics, vol. 60, no. 5, pp. 2158-2162.
Swenberg, C. E. ; Ratner, Mark A ; Geacintov, N. E. / Energy dependence of optically induced exciton fission. In: Journal of Chemical Physics. 1974 ; Vol. 60, No. 5. pp. 2158-2162.
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