Figure 1.

Schematic diagram for fabrication procedure. Schematic diagram for the fabrication of the Au-coated silica sphere array as a top electrode of ZnO NRA-based NGs: (i) preparation of colloidal solution (i.e., dispersed by silica spheres) on the PET substrate, (ii) rolling and drying the colloidal solution, and (iii) e-beam evaporation of Au onto the silica sphere array.

Ko et al. Nanoscale Research Letters 2013 8:511   doi:10.1186/1556-276X-8-511
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