Effect of Surface Facet on Iodine and Astatine Adsorption on Gold Nanoparticle

Jeffrey Tanudji; Hideaki Kasai

Presentation information

Oral presentation

1 Interdisciplinary Physics and Related Areas of Science and Technology » 1.1 Interdisciplinary and General Physics

[15p-D405-1~9] 1.1 Interdisciplinary and General Physics

Wed. Mar 15, 2023 1:30 PM - 4:00 PM D405 (Building No. 11)

Makoto Omodani(Tokyo Denki Univ.), Chiemi Fujikawa(Tokai Univ.)

3:00 PM - 3:15 PM

▲ [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)

Keywords:Gold nanoparticle, Radiotherapy, Density Functional Theory

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.