Coupling photocatalysis and piezocatalysis in PVDF/ZnO nanofiber composites for efficient dye degradation DOI Creative Commons
Daud Selimov, Dinara Sobola, Abdulatip Shuaibov

et al.

Chimica Techno Acta, Journal Year: 2025, Volume and Issue: 12(2)

Published: April 27, 2025

The development of advanced catalytic materials for environmental applications remains a critical challenge due to the limitations conventional photocatalysis, such as low charge separation efficiency and dependence on external light sources. In this study, we present synthesis investigation electrospun polyvinylidene fluoride (PVDF) nanofibers modified with zinc oxide (ZnO) nanoparticles enhanced photocatalytic, piezocatalytic, piezophotocatalytic activity. morphology structural properties composite material were analyzed using scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), Raman spectroscopy, Fourier-transform infrared (FTIR) photoelectron (XPS). results show that incorporation ZnO reduces average fiber diameter by 3.3 times decreases β-phase fraction from 87.3% 71.6% nanoparticle agglomeration. performance PVDF/ZnO was evaluated in degradation methylene blue (MB) under different conditions: photocatalysis (71%), piezocatalysis (76%), piezophotocatalysis (91%) within 60 minutes. Additionally, membrane generated an open-circuit voltage 140 mV mechanical stirring, demonstrating its ability convert energy into electrical energy. These findings highlight potential nanocomposites multifunctional sustainable harvesting.

Language: Английский

Coupling photocatalysis and piezocatalysis in PVDF/ZnO nanofiber composites for efficient dye degradation DOI Creative Commons
Daud Selimov, Dinara Sobola, Abdulatip Shuaibov

et al.

Chimica Techno Acta, Journal Year: 2025, Volume and Issue: 12(2)

Published: April 27, 2025

The development of advanced catalytic materials for environmental applications remains a critical challenge due to the limitations conventional photocatalysis, such as low charge separation efficiency and dependence on external light sources. In this study, we present synthesis investigation electrospun polyvinylidene fluoride (PVDF) nanofibers modified with zinc oxide (ZnO) nanoparticles enhanced photocatalytic, piezocatalytic, piezophotocatalytic activity. morphology structural properties composite material were analyzed using scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), Raman spectroscopy, Fourier-transform infrared (FTIR) photoelectron (XPS). results show that incorporation ZnO reduces average fiber diameter by 3.3 times decreases β-phase fraction from 87.3% 71.6% nanoparticle agglomeration. performance PVDF/ZnO was evaluated in degradation methylene blue (MB) under different conditions: photocatalysis (71%), piezocatalysis (76%), piezophotocatalysis (91%) within 60 minutes. Additionally, membrane generated an open-circuit voltage 140 mV mechanical stirring, demonstrating its ability convert energy into electrical energy. These findings highlight potential nanocomposites multifunctional sustainable harvesting.

Language: Английский

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