Figure 15.

(a) Cross sectional schematic of 2D PhC and SEM image of hexagonal array of active polymer columns prior to backfilling with nanocrystalline-ZnO. Reproduced with permission.²⁵⁵ Copyright 2009, American Chemical Society. (b) AFM images of linearly and hexagonally patterned PET substrate. Reproduced with permission.³⁶