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Report No.

Synchrotron light analyses for gold nanoparticles fabricated by CsCl aqueous solution

Tsukada, Chie*; Yoshida, Hikaru; Ogawa, Satoshi*; Yoshigoe, Akitaka ; Yagi, Shinya*; Yaita, Tsuyoshi

To recovery from the Fukushima Daiichi Nuclear Power Station accident, the removal of radioactive Cs from the soil and cooling water is important. An absorbent and a removal procedure of Cs are required to have properties of effective separation ability, recyclable and energy saving. Here, we focus on the gold nanoparticles (AuNPs) fabricated by solution plasma method. The purpose of this study is to reveal the surface chemical states of the AuNPs fabricated by solution plasma method in CsCl aqueous solution. From the synchrotron light based analysis, it was found that the Cs-Cl-Au bondings form by the repeat of below two steps. (1) Cs and Cl atoms adsorb on AuNPs surface (Cs-Au and Cl-Au bondings). (2) Au atoms bonds around the AuNPs surface.



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