Table 1.

Analytical parameters of 2D-based alcohol sensors and biosensors, sorted by LoD and type

Nos.	Analyte detected	Sensor type	Sensing materials	Limit of detection	Sensing matrix	References
1	Alcohols	Electrochemical sensors	Gr-Ns/BCNs	10%	Liquid and gas	[197]
2	Ethanol and propanol		PVA/CuO/Gr-NPls	1800 ppm	Gas	[198]
3	Ethanol, methanol, and isopropanol		rGO arrays	1500 ppm	Gas	[199]
4	Methanol		rGO/FL-NiO	100 ppm	Gas	[200]
5	Ethanol		Co3O4-HHMSs	100 ppm	Gas	[201]
6	Ethanol, ammonia, methanol, and acetone		TiO2/GO	100 ppm	Gas	[202]
7	Methanol		ZnCo2O4	100 ppm	Gas	[203]
8	Ethanol		SnO2	100 ppm	Gas	[204]
9	Ethanol		Au-NPs/SnO2	70.2 ppm	Gas	[205]
10	Ethanol		GO/Melamine	70 ppm	Gas	[206]
11	Alcohols		TiO2/MoS2	50 ppm	Gas	[207]
12	Ethanol		SnO2/MoS2	50 ppm	Gas	[208]
13	Ethanol		ZnO/MoS2	50 ppm	Gas	[209]
14	Ethanol		fSGO electrolyte film	25 ppm	Gas	[210]
15	Ethanol		ZnO/GO	10 ppm	Gas	[211]
16	Ethanol and NADH		Au–AgNPs/P(Cys)/rGO	5 ppm	Liquid	[21]
17	Ethanol		SnO2	5 ppm	Gas	[212]
18	Ethanol		α-Fe2O3/MoS2	1 ppm	Gas	[213]
19	Ethanol		Co3O4	0.2 ppm	Gas	[214]
20	Ethanol, acetone, and ammonia		Ti3C2Tx	100 ppb	Gas	[215]
21	Ethanol and acetone		ZnSnO3	50 ppb	Gas	[216]
22	Ethanol, methanol, acetone, and ammonia		Ti3C2Tx	34 ppb	Gas	[217]
23	Ethanol		h-BN	NA	Gas	[218]
24	Ethanol		Triphenylene frameworks/G	NA	Gas	[219]
25	Ammonia, ethanol, methanol, etc.		WO3/WS2	NA	Gas	[220]
26	Ethanol and methanol	Optical sensors	NaF/G	NA	Liquid	[102]
27	Alcohols and ketones		Au–rGO/SnO2/ZnO NWs	11 ppm	Gas	[221]
28	Ethanol		Ag/TiO2	5 ppm	Gas	[222]
29	Ethanol, methanol, and isopropanol		GO-BPOF	9–14 ΔRIU*	Liquid	[104]
30	Alcohols		MoS2	4.8 × 10−6 RIU*	Liquid	[223]

*RI refractive index—more details in the reference