Figure 2
SEM images of Cu2S-copper mesh at different sulfuration durations: (a) 30 min, (b) 60 min, (c) 90 min, and (d) 120 min. Scale bars in (a–d) are 25 μm, 5 μm, 2.5 μm, 0.5 μm, respectively.
Figure 2 | Scientific Reports
SEM images of Cu2S-copper mesh at different sulfuration durations: (a) 30 min, (b) 60 min, (c) 90 min, and (d) 120 min. Scale bars in (a–d) are 25 μm, 5 μm, 2.5 μm, 0.5 μm, respectively.
