Graphene and g-C₃N₄-Based Gas Sensors

Table 4

Various conditions for manufacturing g-CN under air atmosphere with thermal condensation.

Precursors	T (°C)	t (h)	Heating rate (K/min)	Ref.
Urea	520	0.5	—	[54]
Dicyandiamide	550	4	20	[52]
Dicyandiamide	550	4	2.2	[23]
Melamine	520	5	5	[58]
Melamine	530	2	5	[25]