Figure 1.

TEM images of gold nanoparticles with different shapes. (a, d) Spherical nanoparticles. (b, e) Short nanorods (aspect ratio (AR) 2.5). (c, f) Long nanorods (AR 4).

Meen et al. Nanoscale Research Letters 2013 8:450   doi:10.1186/1556-276X-8-450
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