Schottky Junction Methane Sensors Using Electrochemically Grown Nanocrystalline-Nanoporous ZnO Thin Films

Figure 6

Transient response curves of (a) Pt/ZnO/Zn, (b) Pd-Ag (26%)/ZnO/Zn, (c) Rh/ZnO/Zn Schottky sensors at 0.4 V bias.

(a)

(b)

(c)