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View article: Slow Fluorescence and Fast Intersystem Crossing — The Xanthone Anomaly
Slow Fluorescence and Fast Intersystem Crossing — The Xanthone Anomaly Open
View article: On the unusual fluorescence properties of xanthone in water
On the unusual fluorescence properties of xanthone in water Open
Photo-excited xanthone is known to undergo ultrafast intersystem crossing (ISC) in the 1 ps time domain. Correspondingly, its fluorescence quantum yield in most solvents is very small ( approximately 10(-4)). Surprisingly, the quantum yiel…
View article: Ultrafast Quenching of the Xanthone Triplet by Energy Transfer: New Insight into the Intersystem Crossing Kinetics
Ultrafast Quenching of the Xanthone Triplet by Energy Transfer: New Insight into the Intersystem Crossing Kinetics Open
The formation and quenching of the triplet state of xanthone are studied by femtosecond techniques. As revealed by femtosecond fluorescence spectroscopy, the primarily excited 1ÏÏ* state decays within 1.5 ps. In a transient absorption ex…