Sb-SnO₂-Nanosized-Based Resistive Sensors for NO₂ Detection

Table 1

Main characteristics of the nanopowders synthesized and treated at different temperatures.

Code	Sb (wt%)	Treatment temperature (°C)	Crystallyne structure	Mean grain size (nm)
SnO2	0	120	SnO, Tetragonal	26
		300	SnO2, Cassiterite	29
		600	SnO2, Cassiterite	31
Sb-SnO2	5	120	SnO	12
		300	SnO2, Cassiterite	15
		600	SnO2, Cassiterite	16