Figure 2.

Morphology and structure characterizations of Nb2O5 nanorod precursors: (a) low-magnification SEM image shows that these precursor nanorods have a uniform diameter and length; (b) high-magnification SEM image. The bottom inset is a low-magnification TEM image of a single solid nanorod. The top inset shows a HRTEM image of the boxed region shown in the bottom inset of Figure 2c, which indicates that these precursor nanorods grow along the [001] direction.

Liu et al. Nanoscale Research Letters 2011 6:138   doi:10.1186/1556-276X-6-138
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