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Synergistic piezocatalytic activity of hybrid BZT/Graphene/PVDF composites

Giulietti, G. ; Simões, A.Z. ; Ponce, M.A. ; Moura, F. ; Nascimento, H.M.S. ; dell'Erba, I.E. ; Rocha, L.S.R. ; Longo, E. ; Assis, M.

Materials letters, 2024-05, Vol.363, Article 136298 [Periódico revisado por pares]

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Título:
Synergistic piezocatalytic activity of hybrid BZT/Graphene/PVDF composites
Autor: Giulietti, G. ; Simões, A.Z. ; Ponce, M.A. ; Moura, F. ; Nascimento, H.M.S. ; dell'Erba, I.E. ; Rocha, L.S.R. ; Longo, E. ; Assis, M.
Assuntos: BZT ; Flexible composites ; Piezocatalysis ; PVDF
É parte de: Materials letters, 2024-05, Vol.363, Article 136298
Descrição: •BZT/GNP/PVDF composites show effective RhB discoloration.•Delicate balance of GNP and BZT influences PVDF film morphology.•Synergistic effects boost piezocatalytic activity without heavy metals. In this study, piezocatalyst composites were synthesized using hybrid films of Ba(Zr,Ti)O3/Polyvinylidene fluoride (BZT/PVDF) with graphene nanoplatelets (GNP) for the Rhodamine B (RhB) discoloration. X-ray diffraction and Raman spectroscopy analyses confirmed composite formation without altering short/long-range structures, stabilizing the β phase of PVDF. Scanning electron microscopy revealed crucial morphological changes influencing the piezocatalytic response of the films. RhB discoloration tests underscored the efficacy of BZT/GNP/PVDF composites due to enhanced system polarization provided by GNP. This work provides insights into the delicate balance of components for flexible, heavy metal-free piezocatalyst composites, advancing their design and applications.
Editor: Elsevier B.V
Idioma: Inglês

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