Preparation and Characterization of Porous PVDF-TrFE Films for Low-Frequency High-Efficiency Piezoelectric Energy Devices. IRAQI JOURNAL OF MATERIALS, [S. l.], v. 5, n. 4, p. 171–176, 2026. DOI: 10.2022/rfmbpj14. Disponível em: https://ijmaterials.com/index.php/ijm/article/view/147. Acesso em: 15 oct. 2026.