Effect of Magnetic Field on the Fluorescence of Tetracene Crystals: Exciton Fission
- 24 March 1969
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 22 (12) , 593-596
- https://doi.org/10.1103/physrevlett.22.593
Abstract
The fluorescence efficiency of tetracene single crystals may be enhanced by as much as 38% in a magnetic field G. The enhancement is anisotropic with respect to the orientation of in the plane. It is shown that a magnetically sensitive coupling of singlet states to a double-triplet-exciton state () at ∼2.40 eV is an important channel for radiationless decay in crystalline tetracene above 160°K.
Keywords
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