Table 4.

Piezoelectric coefficients were reported in a recently developed piezo paper.

Material	Piezoelectric Coefficient	Applications
Stacked thin Cellulose film [69]	150 pm/V	Actuator/Resonator
BaTiO${}_3$ NPs in Wood Cellulose [72]	4.8 ± 0.4 pC/N	Potential Applications: Sensors and Actuators
SbSI NWs in blotting paper [80]	$1\times {10}^{-9}$ C/N	Energy Harvesting
Rochelle salt impregnated paper [81]	3–25 pC/N	Potential Applications: Sensors and Actuators
BaTiO${}_3$ Nano structures in Wood Cellulose [82]	37–45.7 pC/N	Potential Applications: Energy Harvesting