Abstract
Steady-state photocurrent in poly(N-vinylcarbazole)(PVCz) (26,48 wt%)/poly(methyl methacrylate)(PMMA) blends is for the first time measured. The PVCz(26,48 wt%)/ PMMA blends showed almost the same carrier-generation efficiencies at electric fields higher than 1 × 10 5 V . cm -1 . The results are explained by high miscibility of the PVCz(26,48 wt%)/ PMMA blends, suggesting the existence of PVCz chains in continous PMMA-rich phase in the phase-separated structure. The miscibility is also evaluated by means of excimer fluorescence of PVCz in these blends and fluorescence microscopy.
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