Table 7 The piezoelectric sensing parameters of the CNT/PVA/ZnO composite under impulse loading for our study and compared to those from other references.

From: Fabrication and Piezoresistive/Piezoelectric Sensing Characteristics of Carbon Nanotube/PVA/Nano-ZnO Flexible Composite

Sensor type

Sensitivity (mV/kPa)

Working potential (V)

Sensing amplitude (Pa)

This work

0.259

10.0

4.93 × 105

Graphene polyurethane46

0.26

1.0

9 × 103

SWCNT-PDMS47

1.80

2.0

0.6

PDMS/MWCNT48

0.23

1.5

5 × 104

Carboxyl-modified fabric49

0.585

1.5