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Origin of the red luminescence band in photoluminescence spectra of ZnSe nanowires
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10.1063/1.2457190
/content/aip/journal/apl/90/6/10.1063/1.2457190
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/6/10.1063/1.2457190
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

SEM image of a heavily twinned ZnSe nanowire; (a) low magnification, (b) high magnification.

Image of FIG. 2.
FIG. 2.

Room temperature PL spectrum of the red emission band in ZnSe.

Image of FIG. 3.
FIG. 3.

Dependence of peak energy of the DAP recombination emission band on excitation intensity for nanowires grown under high Se vapor pressure.

Image of FIG. 4.
FIG. 4.

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 .

Image of FIG. 5.
FIG. 5.

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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/content/aip/journal/apl/90/6/10.1063/1.2457190
2007-02-06
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Origin of the red luminescence band in photoluminescence spectra of ZnSe nanowires
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/6/10.1063/1.2457190
10.1063/1.2457190
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