SI- 1 Bi2S3 nanostructures using solvothermal route (VDW:VEG, 1:3) at 130 0C for different
reaction duration (a) 9 h, (b) 12 h, (c) 18 h, (d) 24 h with inset 42 h (d)
SI-2 Bi2S3 nanostructures using hydrothermal route at 160 0C for different reaction duration (a) 3
h, (b) 6 h, (c) 9 h, (d) 12 h, (e) 18 h and (f) 24 h.
SI-3 Two movies