Journal
RADIATION PHYSICS AND CHEMISTRY
Volume 195, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.radphyschem.2022.110102
Keywords
n-ZnO; Electrospinning; Nanofiber mat; X-ray shielding
Funding
- Research University (Individual) Grant (RUI) , Universiti Sains Malaysia, Malaysia [1001/PFIZIK/8011059]
- Fundamental Research Grant Scheme (FRGS) [FRGS/1/2020/STG07/USM/02/9]
- Malaysian Ministry of Higher Education [304/PFIZIK/6501088/N120]
- Nippon Sheet Glass Foundation for Materials Science and Engineering
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In this study, n-ZnO/n-Bi2O3/epoxy-PVA nanofiber mats were fabricated using electrospinning. The X-ray attenuation capability and filler dispersion were investigated. The results showed that the nanofiber mat with 20 wt% n-ZnO had the best X-ray attenuation capabilities. Further research is needed to improve the characteristics of the nanofiber mats.
Electrospun n-ZnO/n-Bi2O3/epoxy-PVA nanofiber mats with 0 wt% - 20 wt% n-ZnO and 1 wt% n-Bi(2)O(3)fillers were fabricated using electrospinning. An X-ray fluorescence (XRF) unit was used to investigate the X-ray attenuation capability of nanofiber mats at low X-ray energies (16.61-25.2 keV). Scanning electron microscopy (SEM) was used to observe the dispersion of fillers within nanofiber mats. The results revealed that while the nanofibers were produced, their sizes were not smooth and steady, as large beads were found mostly, while only minor bead defects were observed with different n-ZnO loadings. The nanofiber mat with 20 wt% n-ZnO was found to have the highest mu m at all tested X-ray energies, indicating that it has the best X-ray attenuation capabilities. In summary, this study sparks the interest in combining n-ZnO and n-Bi(2)O(3)but further investigation is needed in order to achieve nanofiber mats with better characteristics. Improved electrospinning solution preparation could improve the material's prospects of becoming a promising X-ray shielding material.
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