Table 3.

Representative works based on regulation of charge transport

Materials	Gas detection	Detection range	Work temperature	Refs.
TIPS-pentacene	NO2	0.2–20 ppm	RT	[64]
PMMA/Pd/PMMA	H2	600–6000 ppm	RT	[110]
PANI/SWCNT	NH3	1–100 ppm	RT	[237]
Oleylamine/Pt	Organic contamination	< 0.3 ppm	RT	[238]
Ionic liquids/CNT	Heptanal	200 ppm	RT	[239]
	Toluene	1000 ppm
	Ethanol	1000 ppm
CNTs/hexa-peri-hexabenzocoronene bilayers	Decane	~ 10 ppb	RT	[240]
	Octane	~ 15 ppb
	Hexane	~ 10 ppb
	Ethanol	~ 10 ppb
GNPs	Nonanal, styrene, ethanol, propionitrile	50–1000 ppb	RT	[112]