Hydrothermal Synthesis of SnO_𝟐 Nanostructures with Different Morphologies and Their Optical Properties

Figure 3

FE-SEM images of the synthesized SnO₂ nanostructures of reactions after different temperatures and times: (a) 160-18 h, (b) 160-42 h, (c) 160-72 h, (d) 180-18 h, (e) 180-42 h, (f) 200-8 h, (g) 200-30 h, (h) 200-42 h at low magnification, and (i) 200-42 h at high magnification.

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