Research on X-ray shielding performance of wearable Bi/Ce-natural leather composite materials.

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ID: 108339
2020
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Abstract
Natural leather (NL) based composite protection materials with lightweight, flexibility, wearability and high shielding efficiency will remarkably innovate the current research on X-ray protection materials. A co-doped Bi/Ce-NL composite with outstanding X-ray attenuation in the energy range of 20-120 keV is successfully fabricated. The uniform distribution of BiO and CeO nanoparticles in the hierarchical structure of natural leather significantly promotes the X-ray attenuation by improving the weak absorption region of Bi with Ce via synergistic effects of the two elements. The fabricated Bi/Ce-NL loading with 0.755 mmol cm BiO and 1.51 mmol cm CeO achieves approximately 100% X-ray shielding when the energy below 40 keV. Thus, the fabricated Bi/Ce-NL with superb X-ray attenuation can safely and comfortably protect human from the risk of X-ray exposure with low bulk density, high water vapor permeability, exceptional mechanical properties and excellent bending resistance, presenting significant advantages in wearability and flexibility compared to both traditional lead-based and polymer-based protection materials.
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Authors Li, Qian;Wang, Yaping;Xiao, Xiao;Zhong, Rui;Liao, Jiali;Guo, Junling;Liao, Xuepin;Shi, Bi;
Journal Journal of hazardous materials
Year 2020
DOI
S0304-3894(20)30932-8
URL
Keywords
synergistic effect wearable metal nanoparticle natural leather x-ray shielding

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