'Triplet-Triplet Absorption Spectra

Anthracene photodimer

Hoshino, M.; Seki, H.; Imamura, M.; Yamamoto, S.
Laser photolysis studies of the anthracene dimer produced by photolytic dissociation of dianthracene in 2-methyltetrahydrofuran solution at 77 K.
Chem. Phys. Lett. 104: 369-72 (1984)

Anthracene photodimer
Solvent : 2-MTHF, 77 K

wave length at maximum = 433^a; 408^a nm

Triplet state population method: Pulsed laser photolysis
Comments: Delay 1.5 micro s; species formed by the photolysis of dianthracene

Yamamoto, S.; Grellmann, K.-H.
The triplet state of anthracene photodimers and the wavelength dependence of the photodissociation process.
Chem. Phys. Lett. 85: 73-80 (1982)

Anthracene photodimer
Solvent : MTHF, 100 K

wave length at maximum = 355^a; 322^a nm

Triplet state population method: Pulsed laser photolysis
Lifetime = 2 micro sec.
Comments: ^*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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