Fig. 2.

FIB-assisted cross-sectional SEM images of a 300-nm moth-eye PDMS film, b 1000-nm moth-eye PDMS film, and c PSC configuration imaged in BSE mode. d AFM image and line profile of 300-nm moth-eye PDMS film. Digital camera images of e completed PSC device, f PSC with 300-nm moth-eye PDMS film, g PSC with 1000-nm moth-eye PDMS film, and h detachment of 300-nm moth-eye PDMS film from PSC