Journal
CRYSTAL GROWTH & DESIGN
Volume 11, Issue 7, Pages 3266-3272Publisher
AMER CHEMICAL SOC
DOI: 10.1021/cg200510y
Keywords
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Funding
- Science Foundation Ireland (SFI) [06/IN.1/185]
- Advanced Biomimetic Materials for Solar Energy Conversion Strategic Research Cluster [07/SRC/B1160]
- Irish Government
- Irish Research Council for Science, Engineering and Technology (IRCSET) embark initiative
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Here we show the impact of preferred growth directions and defects in the formation of complex Ge nanowire (NW) structures grown by a simple organic medium based synthesis. Various types of NWs are examined including: straight defect free NWs; periodically bent NWs with precise angles between the NW segments; NWs with mutually exclusive lateral or longitudinal faults; and more complex wormlike structures. We show that choice of solvent and reaction temperature can be used to tune the morphology of the NWs formed. The various types of NWs were probed in depth using transmission electron microscopy (TEM), scanning electronic microscopy (SEM), selected area electron diffraction (SAED), and dark field TEM (DFTEM).
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