On the phosphorescence of 1H-phenalen-1-one

Cristina Flors, Santi Nonell

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Combining the effects of heavy atom and low temperature, the phosphorescence spectrum from 1H-phenalen-1-one has been unveiled. The 0-0 band is located at 649 nm in methylcyclohexane and shifted to 646 nm in ethanol, which sets the triplet-energy level to 185 and 186 kJ·mol-1, respectively. The emission is unambiguously identified as phosphorescence originating from 1H-phenalen-1-one through complementary transient absorption and emission studies. The quantum yield for triplet formation is confirmed to be unity.

Idioma originalAnglès
Pàgines (de-a)2533-2539
Nombre de pàgines7
RevistaHelvetica Chimica Acta
Estat de la publicacióPublicada - 2001


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