Abstract
AbstractA series of composite polymer nanoparticles was prepared from poly(N‐vinylcarbazole) (PVK) and poly(2,5‐bistriethoxy‐p‐phenylene vinylene‐alt‐phenylene vinylene) (BTEO–PPV‐alt‐PPV). The nanoparticle sizes were measured to be in the range of 50–80 nm with transmission electron microscopy. The photoluminescence intensity of PVK decreased with the content of BTEO–PPV‐alt‐PPV increasing in the composite polymer nanoparticles because the excited states in PVK were quenched by BTEO–PPV‐alt‐PPV. The emission from BTEO–PPV‐alt‐PPV was enhanced in the composite polymer nanoparticles because of energy transfer from PVK to BTEO–PPV‐alt‐PPV for excitation at the absorption maximum of PVK. The energy‐transfer efficiency was markedly improved in the composite polymer nanoparticles versus the composite polymer films according to emission spectral analyses. © 2010 Wiley Periodicals, Inc. J Appl Polym Sci, 2010
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