S

3 9GG a 6GG 3GG G

1GG 15G

Film Thickness (nm)

Figure 17. Variation in the gas sensitivity as a function of film thickness for sol-gel derived nanocrystalline SnO2 film [5, 9, 13, 17, 21].

1GG 15G

Film Thickness (nm)

Figure 17. Variation in the gas sensitivity as a function of film thickness for sol-gel derived nanocrystalline SnO2 film [5, 9, 13, 17, 21].

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