Figure 15
A 2D slice of 3D PGN morphology. An oriented shell of polystyrene (PS) surrounds each gold nanoparticle core. The pixels in this image are colored by the values of the Euler angle φPS, which exhibits a radial orientation relative to the particle centers. The orientation of the extraordinary axis of the dielectric function in real space relative to the x and y axes is shown in the inset color wheel. This 2D slice was collected near the particle equators such that φPS ≃ π/2 for all pixels. |