T. Itoh et al., Identification and separation of the two overlapping singlet 1(pi,pi*) absorption bands of 1,4-tetracenequinone, SPECT LETT, 34(3), 2001, pp. 311-316
Absorption and fluorescence spectra of 1,4-tetracenequinone (1,4-TQ) have b
een measured in solution and the two overlapping 1(pi, pi*) absorption band
s with comparable intensities were separated. Based on the spectroscopic da
ta, the energy levels of the low-lying 1(pi, pi*) excited states of 6,15-he
xacenequinone were discussed in relation to those of 1,4-TQ.