Table 1 Physical properties of VOCs tested in this study.
From: Graphene oxide integrated silicon photonics for detection of vapour phase volatile organic compounds
VOC | Vapour pressure (Torr at 20°C)59 | Molecular weight (g/mol)60 | Relative Polarity65 | Refractive index (RI) at 1.55 µm66 | |
|---|---|---|---|---|---|
m-xylene | 6.16 | 106.16 | 6.8 | 0.074 | 1.477 |
ethylbenzene (EB) | 7.08 | 106.17 | 5.8 | 0.074 | 1.476 |
Water | 17.545 | 18.02 | 2.6 | 1 | 1.316 |
Toluene | 21.83 | 92.14 | 5.3 | 0.099 | 1.476 |
Ethanol | 44.60 | 46.07 | 4.5 | 0.654 | 1.352 |
Benzene | 75.20 | 78.11 | 5.3 | 0.111 | 1.479 |
Hexane | 121.39 | 86.18 | 4.3 | 0.009 | 1.369 |
tetrahydrofuran (THF) | 129.64 | 72.11 | 6.3 | 0.207 | 1.397 |
Acetone | 185.45 | 58.08 | 4.6 | 0.335 | 1.348 |
