Oxide Nanomaterials Based on SnO₂ for Semiconductor Hydrogen Sensors

Table 2

Response (τ_0,9) and recovery (τ_relax) times to 44 ppm H₂ in air ambient for the 0.24 wt.% Pd/SnO₂-based sensor at its different operational temperatures.

T (°С)	225	260	290	325	345	380	400
τ0,9 (s)	128	29	23	15	12	10	8
τrelax (s)	78	28	23	21	15	13	12