Table 2 Comparison table of biocompatible humidity sensors.
From: Humidity sensor based on Gallium Nitride for real time monitoring applications
Refs | Sensing material | Range (%) | Curve shape | Temperature dependency | Biocompatibility | Applications |
|---|---|---|---|---|---|---|
Graphene oxide solution | 10–90 | Highly Non linear | Highly dependent | Compatible | Breathing rate and plant transpiration monitoring | |
Porous graphene/graphene oxide; graphene oxide and PEDOT;PSS; porous graphene and Ag colloids | 12–97 | Non linear | Independent | Compatible | Breathing rate monitoring | |
Ag-SnO2 | 20–80 | Slightly linear | Highly dependent | Incompatible | Fish quality monitoring | |
MPOSS-PIL | 11–95 | Slightly linear | – (Seems dependent) | – | Breath monitoring | |
PEDOT:PSS, methyl red and graphene oxide in series | 0–100 | Approximate linear | Highly dependent | Compatible | – | |
MoS2 and PEDOT:PSS in series | 0–80 | Approximate linear | Highly dependent | Compatible | – | |
This Work | ZnO buffer layer/GaN thin film | 0–100 | Approximate linear | Slightly dependent | Compatible | Plant transpiration and meat quality monitoring |
