title: Exclusive self-aligned β-phase PVDF films with abnormal piezoelectric coefficient prepared via phase inversion.
abstract: Self-polarised poly(vinylidene fluoride), (PVDF), films were prepared via a facile phase-inversion technique wherein the polymorphism of the films was controlled from exclusive α- (>90%) to β-phase (>98%) by simply varying the quenching temperature from 100 °C to -20 °C, respectively. At low temperatures, the β-phase crystallites were found to be self-aligned, with the PVDF thin films possessing a high piezoelectric coefficient of up to -49.6 pm V(-1). The extraordinarily high β-phase and piezoelectric coefficient of these PVDF films make them suitable for electroactive and energy harvesting applications.
authors: Inst. Renew. Energy & Environ. Technol. Uni. of Bolton, Deane Road, Bolton, BL3 5AB, UK. n.soin@bolton.ac.uk j.luo@bolton.ac.uk.
authors: N
authors: N
authors: Soin
authors: D
authors: D
authors: Boyer
authors: K
authors: K
authors: Prashanthi
authors: S
authors: S
authors: Sharma
authors: A A
authors: AA
authors: Narasimulu
authors: J
authors: J
authors: Luo
authors: T H
authors: TH
authors: Shah
authors: E
authors: E
authors: Siores
authors: T
authors: T
authors: Thundat