Table 2 Comparing the gauge factors of various flexible strain sensors reported in the literature.
From: Single and bundled carbon nanofibers as ultralightweight and flexible piezoresistive sensors
Material | Gauge factor | Linearity |
|---|---|---|
Carbon Black-PDMS25 | 1.8−5.5 | Two linear regions |
Carbon Black-Ecoflex39 | 3.8 | Nonlinear |
Single CNF strain sensor35 | 1.96−2.55 | Linear |
Graphene-Rubber33 | 35 | Linear and exponential regions |
Graphene ink-on-PDMS40 | 37 | Linear |
Graphene-PDMS foam23 | 2.87−8.77 | Two linear regions |
CNTs-Ecoflex21 | 1−2.5 | Linear |
CNF bundle (This work) | 11.14 | Linear |