R. Katoh et M. Kotani, Fluorescence from the second excited state of an anthracene crystal observed by two-step excitation, CHEM P LETT, 300(5-6), 1999, pp. 734-738
Weak fluorescence from the second excited state of an anthracene crystal ha
s been observed by two-step excitation via the lowest excited state. Relaxa
tion processes of a highly excited state to the lowest state are discussed.
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