Research Article

Preparation, Characterization, and Evaluation of Humidity-Dependent Electrical Properties of Undoped and Niobium Oxide-Doped TiO2 : WO3 Mixed Powders

Figure 10

Sensitivity change with RH, at 1.3 kHz (a) and 4 kHz (b), at 20°C for all three sensors.
(a)
(b)