Abstract
The photophysical properties of poly(methylphenylphosphazene), (PMPP) have been investigated using absorption and emission spectroscopy, as well as laser flash photolysis. The fluorescence spectrum of PMPP shows a red-shifted emission (decay time of 1.9 ns) with a maximum at 430 nm when excited at 270 nm in solvents of varying polarity. The absence of a strong solvent effect on the position and the structure of the fluorescence spectrum suggests that the emission is not due to either an n,π * or a charge-transfer state, but originates from an excited state with a significant geometry shift
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