Figure 2From: Size-controllable synthesis and bandgap modulation of single-layered RF-sputtered bismuth nanoparticlesSEM images of BiNPs deposited on glass substrates at 200°C and 0.12 W/cm2for different deposition durations. (a) 10 s, (b) 20 s, (c) 30 s, (d) 40 s, (e) 50 s, and (f) 60 s, which correspond to sample Bi-201 to Bi-206 in Table 1.Back to article page