Figure 5From: Optical characterization of porous silicon monolayers decorated with hydrogel microspheresAFM images of polyNIPAM microspheres attached to a pSi film in different surrounding media. (a) In water, (b) in a mixture of ethanol and water containing 20 wt% ethanol, and (c) in ethanol. The bottom row shows the corresponding cross sections taken at the indicated red lines. AFM images size 10 × 10 μm.Back to article page