'Triplet-Triplet Absorption Spectra

Acridine-d₉

Kellmann, A.
Intersystem crossing and internal conversion quantum yields of acridine in polar and nonpolar solvents.
J. Phys. Chem. 81: 1195-8 (1977)

Acridine-d₉
Solvent : Benzene

wave length (nm) at maximum, extinction coefficient = 442, 26000

Triplet state population method: Flash photolysis
Extinction coefficient estimation method: Total depletion

Prass, B.; Fujara, F.; Stehlik, D.
Kinetics of photochemical H-abstraction by ³PiPi^*-acridine in fluorene single crystals as studied by triplet-triplet absorption.
Chem. Phys. 81(1-2): 175-84 (1983)

Acridine-d₉
Solvent : Fluorene-d₈, 240 K

wave length at maximum = 450 nm

Triplet state population method: Modulated excitation (e.g. rotating sector)
Comments: Single crystal

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Acridine-d9

Acridine-d₉