Table 2.
Sensing performance comparison of 3D graphene and other semiconductor materials including commercial sensors.
Sensing Materials |
Gas | Temp. (°C) |
Cgas (ppm) |
Response | S (ppm−1) |
Recovery Time (s) | LOD (ppb) | Year | Ref. |
---|---|---|---|---|---|---|---|---|---|
MoS2 | NO2 | 80 | 10 | ∆I/I0 = 120% | 12% | - | - | 2019 | [52] |
3D MoS2/RGO | NO2 | 80 | 10 | ∆I/I0 = 2483% | 248% | 30 | 27.9 | 2019 | [52] |
SnS2 | NO2 | 160 | 8 | ∆G/G0 = 28% | 3.5% | 140 | 20–30 | 2015 | [98] |
3D SnS2/RGO | NO2 | RT | 8 | ∆G/G0 = 49.8% | 6.1% | 76 | 8.7 | 2020 | [86] |
SnO2 | NO2 | 400 | 5 | ∆R/R0 = 10% | 2% | 720 | - | 2016 | [142] |
3D SnO2/RGOH | NO2 | RT | 5 | ∆G/G0 = 32% | 4.3% | 260 | 2.8 | 2020 | [85] |
PPy | NH3 | RT | 3 | Rg/Ra = 2% | 0.6% | - | - | 2019 | [129] |
3D RGO/PPy | NH3 | RT | 3 | Rg/Ra = 10.5% | 10.5% | 25 | - | 2019 | [129] |
TypeNO2/S-100 | NO2 | RT | 1 | −370 ± 70 (nA·ppm−1) | <60 | <200 | Comm. | [143] | |
TypeNH3/SR-200 | NH3 | RT | 1 | 90 ± 18 (nA·ppm−1) | <50 | <600 | Comm. | [144] |