Table 1 Comparison of the sensing performance of the self-powered GO TENG humidity sensor with other humidity sensors based on GO or TENG.
From: Graphene Oxide Papers in Nanogenerators for Self-Powered Humidity Sensing by Finger Tapping
Type | Sensing material | Flexible/Rigid | Response time | Humidity range | Long-term stability | Ref. |
|---|---|---|---|---|---|---|
Capacitive | GO | Rigid | 10.5 s | 15–95% | 30 days | |
Impedance | GO | Flexible | 30 ms | 10–90% | 72 h | |
Resistive | GO | Flexible | 100 s | 35–80% | — | |
Capacitive | GO | Rigid | <0.1 s | 12–97% | — | |
TENG | PTFE | Rigid | — | 20–100% | — | |
TENG | RGO/PVP | Rigid | 2.8 s | 23–97% | >1 month | |
TENG | PFSA* | Flexible | 30 s | 25–95% | — | |
TENG | GQD | Rigid | — | 30–70% | — | |
TENG | GO paper | Flexible | ~5 s | 20–99% | >8 months | This work |
