Figure 3

Microscopic characterization of the MPCs: (a) SEM image of the MPCs on ITO glass hard substrates. (b) and (c): SEM and AFM images of the MPCs on the soft PDMS substrates, respectively.
Microscopic characterization of the MPCs: (a) SEM image of the MPCs on ITO glass hard substrates. (b) and (c): SEM and AFM images of the MPCs on the soft PDMS substrates, respectively.