Electrophoretic Deposition of SnO₂ Nanoparticles and Its LPG Sensing Characteristics

Figure 7

SEM images of unsintered SnO₂ (a), sintered SnO₂ at 300°C-400-500-600°C for 5 minutes (b–e), and side view of film thickness (f).

(a) Unsintered

(b) 300°C

(c) 400°C

(d) 500°C

(e) 600°C

(f) Side view of SnO₂ film