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Stationary and time-resolved luminescent characteristics were investigated in a large number of poly(p-phenylene vinylene) (PPV) samples including as-grown films on different substrates, those subjected to thermal curing and vapor-phase iodine doping. The thermal treatment changes the intensity and characteristic time of photoluminescence in different manner for different luminescence lines. The iodine...
The group-III nitrides are an interesting material system for applications in the blue spectral region and for high-power and high-temperature devices. P-type doping in the metalorganic vapour-phase growth process, however, suffers from the material's high-background donor concentration. Hydrogen passivation furthermore decreases the number of activated acceptors [N.M. Johnson, W. Gotz, J. Neugebauer,...
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