Figure 5From: Colloidal crystals by electrospraying polystyrene nanofluidsFront surface view of an electrosprayed layer. Light is coming from four different incident angles at 55°, 35°, 30°, and 20°, from top left to down right, and reflecting light corresponding to purple, blue, green, and orange wavelength. The sample displayed area is 5 × 5 mm2.Back to article page