Figure 2.

SEM images and schematic 3D representation. (a) SEM image of a carbon nanotube thin film (the scale bar is 2 μm). SEM images of Au nanoparticles from a (b) 2-nm and (c) 5-nm Au-CNT system where the scale bars are 500 nm. (d) Schematic 3D representation of a GaN LED with embedded Au nanoparticles.

Jin et al. Nanoscale Research Letters 2014 9:7   doi:10.1186/1556-276X-9-7
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