Table 1 Summary of electrospun nanofiber-based stretchable strain sensors.
Electrospun NFs | Functional materials | Gauge factor | Stretchability | Durability | Mechanism | Refs |
|---|---|---|---|---|---|---|
TPU | GNRs | 7.9–35.7 | 160% | 5000 cycles (100%) | Resistive | |
PU | CNTs | 114–720 | 220% | 10,000 cycles (30%) | Resistive | |
PU | GO/PEDOT | 10.1–193.2 | ~550% | 4 cycles (160%) | Resistive | |
PAN | CNFs | 5–72 | 300% | 8000 cycles (10%) | Resistive | |
TPU | Graphene | 3–21 | 100% | 1000 cycles (50%) | Resistive | |
PA6 | CNTs | 2.8–12 | 40% | 100 cycles (20%) | Resistive | |
PAN | Graphene/CNFs | 277–1700 | 2% | 300 cycles (2%) | Resistive | |
TPU | CNTs | 1.24–1.67 | 100% | 2000 cycles (50%) | Resistive | |
PU | SiO2/graphene | 1.1–5.9 | 110% | 600 cycles (50%) | Resistive | |
TPU | RGO | 11–79 | 100% | 6000 cycles (50%) | Resistive | |
PVDF-HFP | PVDF-HFP NFs | 100% | 300 cycles (100%) | Triboelectric | ||
PAN | Aligned CNFs | 0.3–180 | 30% | 2500 cycles (25%) | Resistive | |
PU | CNTs | 46.4–980 | 44% | 1000 cycles (20%) | Resistive | |
PS | ZnO NW | 116 | 50% | 17 cycles (30%) | Resistive | |
P4VP | AuNPs | 3.67–11 | 17% | 30 cycles (3%) | Resistive | |
PVDF | PANI/PVDF | 0.045–0.84 | 110% | Resistive | ||
PVDF | Aligned PVDF NFs | 4.29 mV/% | 10% | 8 cycles (10%) | Piezoelectric | |
PU | Au | 7.26–46.3 | 150% | 5000 cycles (100%) | Resistive |