Table 2.

Metal-oxide-catalyst-doped and -decorated NWs and their target gases [78,79,80,81,82,83,84,85,86,87,88,89,90].

Catalyst	Structure	NW Material	Target Gas	References
CuO	Decoration	SnO2	H2S	[78,79]
Cr2O3	Decoration	ZnO, SnO2	TMA	[80,81]
Co3O4	Decoration	ZnO	NO2, C2H5OH	[82]
NiO	Decoration	ZnO	C2H5OH, HCHO	[83]
Mn3O4	Decoration	ZnO	C2H5OH	[84]
La2O3	Decoration	SnO2	C2H5OH	[85]
Cu, CuO	Doping	SnO2	H2S	[86,87]
Mo, Mo3O4	Doping	ZnO	H2S	[88]
Mg, MgO	Doping	ZnO	C2H5OH	[89]
Sb	Doping	SnO2	C2H5OH	[90]