Figure 2From: Enhanced optical output power of blue light-emitting diodes with quasi-aligned gold nanoparticlesSEM 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.Back to article page