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

ELSEVIER SCIENCE BV

Año: 2024 vol. 363

0167-577X

In this study, piezocatalyst composites were synthesized using hybrid films of Ba(Zr,Ti)O3/Polyvinylidenefluoride (BZT/PVDF) with graphene nanoplatelets (GNP) for the Rhodamine B (RhB) discoloration. X-raydiffraction and Raman spectroscopy analyses confirmed composite formation without altering short/long-rangestructures, stabilizing the β phase of PVDF. Scanning electron microscopy revealed crucial morphologicalchanges influencing the piezocatalytic response of the films. RhB discoloration tests underscored the efficacy ofBZT/GNP/PVDF composites due to enhanced system polarization provided by GNP. This work provides insightsinto the delicate balance of components for flexible, heavy metal-free piezocatalyst composites, advancing theirdesign and applications.