THE POLYMER SOCIETY OF KOREA

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세션명 Graduate Student Oral Session (I) (English)
발표장 제5회장
논문코드 O5-7
발표일 2024-04-3
발표시간 14:30-14:45
논문제목 Gd-MOF and Metal Halide Composites for Efficient X-ray Shielding
발표자 Nazmul Hossain
발표자 소속 부경대학교
저자 Nazmul Hossain, 샨무감마하링감, 강석규, 권대성, 김현광, 김정환
소속 부경대학교
논문초록 X-ray radiation is an important factor in industry, medical, military, and space fields. For X-ray shielding, lead (Pb) is the most commonly used in every area but it is heavy and has harmful effects on human health and the environment. To replace the Pb, we developed herein gadolinium (Gd)-based metal-organic framework (MOF) based bismuth halide composites for x-ray shielding. The resultants showed excellent shielding ability and mechanical flexibility. The key role of Gd-MOF is the formation of chemical bonding with bismuth halides, thereby absorbing more bismuth halide in sponge and improving x-ray shielding performances. The maximum amount of Gd-MOF contain sponge absorbed 1.34g bismuth halide and showed excellent shielding performance, approximately 94% at 60 kV and 78% at 100 kV, one of the highest efficiencies for non-heavy-metal shielding materials (density = 1.21g/cm3).