Abstract
The triboelectric energy generators prepared using the combination of self-polarized, high β-phase nanocomposite films of Gd 5 Si 4 -PVDF and polyamide-6 (PA-6) films have generated significantly higher voltage of ∼425 V, short-circuit current density of ∼30 mA/m 2 and a charge density of ∼116.7 μC/m 2 as compared to corresponding values of ∼300 V, 30 mA/m 2 and 94.7 μC/m 2 , respectively for the pristine PVDF-(PA-6) combination. The magnetic measurements of the Gd 5 Si 4 -PVDF films display a ferromagnetic behavior as compared to diamagnetic nature of pristine PVDF. The presence of magnetic nanoparticles in the polymeric matrix allows for some control over the microstructural properties during the preparation process. The results open new routes for multiferroic composite films to be suitable for multi-functional magnetic and triboelectric energy harvesting applications.
| Original language | English |
|---|---|
| Article number | 035116 |
| Journal | AIP Advances |
| Volume | 9 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published (in print/issue) - 13 Mar 2019 |
Funding
Synthesis and materials processing at the Ames Laboratory was supported by the Office of Basics Energy Sciences, Materials Science and Engineering Division of the U.S. Department of Energy (DOE). The Ames Laboratory is operated for the U.S. DOE by Iowa State University of Science and Technology under contract No. DE-AC02-07CH11358. Work at VCU was partially funded by National Science Foundation, Award Numbers: 1357565, 1610967 and 1726617.
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