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- Title
Micropatterning of the Ferroelectric Phase in a Poly(vinylidene difluoride) Film by Plasmonic Heating with Gold Nanocages.
- Authors
Li, Jianhua; Yang, Miaoxin; Sun, Xiaojun; Yang, Xuan; Xue, JiaJia; Zhu, Chunlei; Liu, Hong; Xia, Younan
- Abstract
Polymer thin films with patterned ferroelectric domains are attractive for a broad range of applications, including the fabrication of tactile sensors, infrared detectors, and non-volatile memories. Herein, we report the use of gold nanocages (AuNCs) as plasmonic nanostructures to induce a ferroelectric-paraelectric phase transition in a poly(vinylidene fluoride) (PVDF) thin film by leveraging its photothermal effect. This technique allows us to generate patterned domains of ferroelectric PVDF within just a few seconds. The incorporation of AuNCs significantly enhances the pyroelectric response of the ferroelectric film under near-infrared irradiation. We also demonstrate the use of such patterned ferroelectric films for near-infrared sensing/imaging.
- Subjects
FERROELECTRIC crystals; POLYVINYLIDENE fluoride; PLASMONICS; GOLD nanoparticles; THIN films
- Publication
Angewandte Chemie International Edition, 2016, Vol 55, Issue 44, p13828
- ISSN
1433-7851
- Publication type
Article
- DOI
10.1002/anie.201605405