Abstract
Photo-emissive properties, including steady-state and transient photoluminescence (PL) spectroscopy, are studied (investigated) for blinding and coaxial nanowires based on PPV and PVK. PL data or the average lifetime of excitons depends exclusively on the nanostructures architecture. Furthermore, the interpretation of PL spectra invokes the migration and the diffusion length of photo-generated exciton from luminophores to other luminophores or from the core to the shell. This process is able to explain the experimental decay of PL in the nanosecond time scale. The evidence of Forster energy transfer (FET) and charge transfer (CT) has been investigated in the synthesis of nanostructures. An enhancement and amplification of PPV luminophore emission by the presence of PVK luminophore in blinding or coaxial nanowires due to the energy transfer process.
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