Table 2 Comparison of electrical properties of flexible piezoelectric composite films on different piezoelectric materials.

From: Synthesis of a nitrogen doped reduced graphene oxide based ceramic polymer composite nanofiber film for wearable device applications

Piezoelectric materials

Output voltage

Power

Characteristics

Reference

KNN/P(VDF-TrFE)

170 mV

4 nW

Spin coating film

22

PZT/P(VDF-TrFE)

2 V

Electrospun film

23

m-PZT/P(VDF-TrFE)

3.4 V

Electrospun film

23

PVDF/rGO/MoS2

2.4 V

0.81 μW

Thin film

24

P(VDF-TrFE)/BTO/rGO

4.65 V

Spin coating film

25

P(VDF-TrFE)/ PMN-PT/rGO

8.4 V

Thin film

26

P(VDF-TrFE)/BS-PT/N-rGO

12.4 V

1.25 μW

Electrospun film

This work