[15p-D405-6] Effect of Surface Facet on Iodine and Astatine Adsorption on Gold Nanoparticle | 2023年第70回応用物理学会春季学術講演会

2023年第70回応用物理学会春季学術講演会

2023年3月15日〜4月11日上智大学四谷キャンパス+オンライン

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2023年第70回応用物理学会春季学術講演会

2023年3月15日〜4月11日上智大学四谷キャンパス+オンライン

[15p-D405-6]Effect of Surface Facet on Iodine and Astatine Adsorption on Gold Nanoparticle

〇(D)Jeffrey Tanudji¹、Hideaki Kasai^1,2,3(1.Osaka Univ、2.NIT Akashi College、3.Inst. for Radiation Sciences)

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We compare adsorption of iodine and astatine on gold surface of different facets to study their adsorption characteristics. Our calculations show that both I and At are adsorbed on the stepped edge sites stronger than the flat surface by around 0.2 eV. Based on this finding, we believe a more stepped surface may allow for better adsorption of the radionuclides intended for treatment use.

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