Table 1.

Gas sensors using noble-metal-catalysts-loaded nanowires (NWs) in the literature [54,55,56,57,58,59,60,61,62,63,64,65,66,67,68].

Catalyst	Structure	NW Material	Target Gas	References
Pt	Loading	SnO2	NO2, Toluene, H2	[54,55,56]
		ZnO	C2H5OH	[57]
		In2O3	O2, H2	[58,59]
Pd	Loading	SnO2, VO2	H2	[60,61,62]
Au	Loading	ZnO, In2O3	CO, C2H5OH	[59,63,64,65]
		ZnO	C2H5OH
Ag	Loading	SnO2	C2H5OH	[66,67,68]