Significance of the Nanograin Size on the H₂S-Sensing Ability of CuO-SnO₂ Composite Nanofibers

Figure 5

(a) Gas responses of CuO-SnO₂ composite nanofibers with nanograins of different sizes to 1 and 10 ppm H₂S gas. (b) Gas responses to 10 ppm H₂S and (c) sensor resistances of CuO-SnO₂ composite nanofibers calcined for different durations.

(a)

(b)

(c)