4-Acetylbiphenyl

Alfimov, M.V.; Buben, N.Ya.; Glagolev, V.L.; Kuyumdzhi, E.S.; Pomazan, Yu.V.; Shamshev, V.N.
Triplet-triplet absorption of some carbonyl-containing compounds.
Opt. Spectrosc. 42: 267-70 (1977)

4-Acetylbiphenyl
Solvent : ?, 81 K

wave length (nm) at maximum, extinction coefficient = 435, 130000

Triplet state population method: Flash photolysis
Extinction coefficient estimation method: Singlet depletion
Lifetime = (1.7 ± 0.2) x 104 micro sec.
Comments: *Phosphorescence decay; glass was either 1:3:3 1-methylPrOH to Et2O to isooctane or 1:9 MCH to mixture of EtOH and MeOH

* Evidence supporting the assignment of the transient triplet state.
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