Nitrogen incorporation in ZnO nanowires using N2O dopant gas

Publisher:
Elsevier Inc
Publication Type:
Journal Article
Citation:
Materials Letters, 2013, 99 (1), pp. 42 - 45
Issue Date:
2013-01
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Aligned nitrogen-doped ZnO nanowires were grown by chemical vapour deposition using Au catalyst. N incorporation was achieved through the introduction of N2O gas as a dopant source and con?rmed by Raman spectroscopy, which reveals additional N-related modes at 275, 580 and 642 cm1 . The nanowires have a hexagonal faceted shape and are predominantly grown along the [001] direction. The nanowire morphology is unaffected by N incorporation. The luminescence peak at 3.24 eV was monitored as a function of N2O content. Intensity analysis of this band reveals that it can be partly attributed to donoracceptor pair (DAP) emission originating from the N doping
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