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Effect of nanofibrous porosity on the X-ray attenuation properties of electrospun n-Bi2O3/epoxy–polyvinyl alcohol (PVA) nanofiber mats

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Abstract

In this study, the X-ray attenuation properties of electrospun nanoparticles (n)-Bi2O3/epoxy–polyvinyl alcohol (PVA) nanofiber mats with different filler loadings of n-Bi2O3 were compared as a function of X-ray tube voltages (40–100 kV) using a general radiography unit. It was found that the X-ray attenuation by the electrospun n-Bi2O3/epoxy–PVA nanofiber mats increased with the increment of filler loading except for the nanofiber mat with 12 wt% of n-Bi2O3 filler. This indicated that the nanofiber mat presents the lowest X-ray attenuation properties compared to the others with another filler loading. The result was explained by cross-sectional scanning electron microscopy (SEM) image, which revealed that the 12 wt% of electrospun n-Bi2O3/epoxy–PVA nanofiber mat has the highest amount of porosity compared to the other samples.

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Acknowledgements

This work was funded under Nippon Sheet Glass Foundation for Materials Science and Engineering, Short-Term Research Grant, USM, Malaysia (304/PFIZIK/6313249) and Fundamental Research Grant Scheme (FRGS), Malaysia (203/PFIZIK/6711564).

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Correspondence to Nurul Zahirah Noor Azman.

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Abunahel, B.M., Ramli, R.M., Quffa, K.M. et al. Effect of nanofibrous porosity on the X-ray attenuation properties of electrospun n-Bi2O3/epoxy–polyvinyl alcohol (PVA) nanofiber mats. Appl. Phys. A 124, 540 (2018). https://doi.org/10.1007/s00339-018-1975-9

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  • DOI: https://doi.org/10.1007/s00339-018-1975-9

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