Abstract
Some miscibility between poly(N-vinylcarbazole) (PVCz) and poly(oxyethylene) (PEO) has been found for the first time by means of the two kinds of excimer emission of 8.0–100 wt% PVCz in the PVCz/PEO blends. Interchain energy migration to a full-overlap excimer site in the blends is suggested on the basis of time-resolved fluorescence spectra. The emission ratio between partial-overlap and full-overlap excimers shows PVCz concentration dependence similar to that of film transparency, reflecting chain aggregation in PVCz/PEO blends. Schematic diagrams of microscopic phase-separation structure of the blends for various PVCz contents are also proposed.
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Ishizaki, F., Machida, S. & Horie, K. Fluorescence Study on Miscibility in Poly(N-vinylcarbazole)/Poly(oxyethylene) Blends. Polym J 32, 62–66 (2000). https://doi.org/10.1295/polymj.32.62
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DOI: https://doi.org/10.1295/polymj.32.62