'Triplet-Triplet Absorption Spectra

1-(5-Acenaphthyl)-1-phenylethylene

Lazare, S.; Bonneau, R.; Lapouyade, R.
Triplet state of alpha-naphthylethylene derivatives. Structural effects on the equilibrium between planar and perpendicular triplet conformations.
J. Phys. Chem. 88: 18-23 (1984)

1-(5-Acenaphthyl)-1-phenylethylene
Solvent : Benzene

wave length at maximum = 502^a; 424^a nm

Triplet state population method: Pulsed laser photolysis (coupled with energy transfer)
Lifetime = 0.087 micro sec.
Comments: ^*Triplet ET from xanthone and oxygen quenching

^* Evidence supporting the assignment of the transient triplet state.
^a Data have been obtained by computer-assisted digitization from spectrum in cited reference.
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