Abstract
The fluorescence from cationically prepared poly(N-vinyl carbazole) and a series of N-vinyl carbazole-butyl vinyl ether copolymers has been investigated over the temperature range 90–300 K. Emission from these polymers may be assigned to fluorescence from single excited carbazole chromophores and at least two types of intrachain excimer. Temperature-dependent fluorescence measurements show that the activation energies for excimer formation are quite low (<10 kJ mol −1) indicating that major chain rearrangements are not required during the excited-state lifetime in order to produce appropriate excimer sites.
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