期刊
NANOSCALE
卷 9, 期 9, 页码 3159-3168出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6nr09477e
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资金
- European Research Council under the European Union's Seventh Framework Programme (FP/2007-2013)/ERC [336126]
- Swedish Research Council
- Knut and Alice Wallenberg Foundation (KAW)
- NanoLund
We here investigate the growth mechanism of Sn-seeded GaSb nanowires and demonstrate how the seed particle and its dynamics at the growth interface of the nanowire determine the polarity, as well as the formation of structural defects. We use aberration-corrected scanning transmission electron microscopy imaging methodologies to study the interrelationship between the structural properties, i.e. polarity, growth mechanism, and formation of inclined twin boundaries in pairs. Moreover, the optical properties of the Sn-seeded GaSb nanowires are examined. Their photoluminescence response is compared with one of their Au-seeded counterparts, suggesting the incorporation of Sn atoms from the seed particles into the nanowires.
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