Fig. 5From: Application of ferroelectric materials for improving output power of energy harvesters(Reproduced from [42] with copyright permission from 2016 John Wiley & Sons)a Triboelectric characteristic of P(VDF-TrFE) after poling with opposite bias. b Charge transfer from P(VDF-TrFE) surface by rubbing AFM tip. c Controlling triboelectric output voltage of P(VDF-TrFE) with different ferroelectric polarizationsBack to article page