Luminescence and Exciton Lattice Interaction in α-Perylene Crystals
1982 年 51 巻 5 号 p. 1341-1342
詳細
1982 年 51 巻 5 号 p. 1341-1342
A new luminescence band associated with the free exciton in α-perylene has been found out at room temperature. The energy separation between the free and the self trapped states is determined to be 650 cm−1, which gives the exciton bandwidth of 2310 cm−1. The interaction among translationally equivalent molecules is much smaller than that among inequivalent molecules. The character of the Y state is briefly discussed in connection with the adiabatic potential energy curve.
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