Abstract
Thermotropic columnar mesophases capable of giving highly oriented fibres are considered as interesting systems for the study of one-dimensional energy migration. Steady-state and time-resolved luminescence experiments carried out with homogeneous solutions, crystalline and liquid crystalline samples of a disc-like compound, 2,3,6,7,10,11-hexa- n-hexyloxytriphenylene, are reported. Normal fluorescence, phosphorescence and P-type delayed fluorescence related to energy migration have been detected in the pure compound phases.
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