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SEM image of a heavily twinned ZnSe nanowire; (a) low magnification, (b) high magnification.
Room temperature PL spectrum of the red emission band in ZnSe.
Dependence of peak energy of the DAP recombination emission band on excitation intensity for nanowires grown under high Se vapor pressure.
Comparison of room temperature PL spectra of ZnSe nanowires. Solid line represents the PL spectra of the as-grown nanowires; dashed lines represent the PL spectra after the nanowires were annealed in Zn atmosphere at for .
Effect of annealing temperature and annealing time on ratio of NBE to DL emission intensity of ZnSe nanowires. The nanowire diameter is .
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