Study on TiO2 Nanoparticles Distribution in Electrospun Polysulfone/TiO2 Composite Nanofiber

Document Type : Research Article

Authors

1 Young Researchers and Elite Club, Kermanshah Branch, Islamic Azad University, Kermanshah, I.R. IRAN

2 Department of Mechanical Engineering, Eslamabad-E-Gharb Branch, Islamic Azad University, Eslamabad-E-Gharb, Kermanshah, I.R. IRAN

3 Faculty of Biosciences and Medical Engineering and Advanced Membrane Technology Research Centre, Universiti Teknologi Malaysia, 81310 Skudai, Johor, MALAYSIA

4 Advanced Membrane Technology Research Centre (AMTEC), University Teknologi Malaysia, 81310 Skudai, Johor, MALAYSIA

Abstract

Composite nanofibers composed of an organic polymer and inorganic nanomaterials have huge potential to be used in different industrial applications. However, the main concern on the use of composite nanofibers is the distribution properties of nanomaterials in the polymeric matrix. The effect of the capillary tip charge on the additive distribution in the electrospun nanofiber has been previously studied and can be found in the literature. In this study, focus is placed on the investigation of TiO2 nanoparticles (TiO2 NPs) distribution in the polysulfone (PSF) nanofiber. X-ray Photoelectron Spectroscopy (XPS) was conducted to measure the percentage of TiO2 on the surface of the prepared PSF/TiO2 composite nanofiber. The results showed that there was no TiO2 NPs on the surface of the nanofiber for up to 10 nm in depth. TiO2 nanoparticles were mainly found in the center of the nanofiber due to the accumulation of the hydrophobic PSF at the surface of the composite nanofiber. The findings of this work can provide better interpretation of the impact of the interfacial tension on the distribution of the inorganic nanomaterials in the electrospun nanofiber.

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Main Subjects

References

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Iranian Journal of Chemistry and Chemical Engineering (IJCCE)
Volume 36, Issue 2 - Serial Number 82
May and June 2017
Pages 49-53

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