Synthesis of Pd–Ru solid-solution nanoparticles by pulsed plasma in liquid method |
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| Authors: | Tsutomu Mashimo Shota Tamura Kenta Yamamoto Zhazgul Kelgenbaeva Weijan Ma Makoto Tokuda Michio Koinuma Hiroshi Isobe Akira Yoshiasa |
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| Institution: | Institute of Pulsed Power Science, Kumamoto University, Kumamoto 860-0862 Japan.; Faculty of Engineering, Kumamoto University, Kumamoto 860-0862 Japan ; Faculty of Science, Kumamoto University, Kumamoto 860-0862 Japan |
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| Abstract: | We have synthesized solid-solution nanoparticles (Pd : Ru = 1 : 3, 1 : 1 and 3 : 1) in an immiscible Pd–Ru system by the pulsed plasma in liquid method using Pd–Ru mixture bulk electrodes. The particle sizes of the floated and sedimented samples were measured to be <10 and <20 nm, respectively, via high-resolution transmission electron microscopy (HR-TEM). The lattice parameters of nanoparticles followed the Vegard''s law, and the energy-dispersive X-ray spectroscopy (EDX) results almost coincided with those obtained for the starting bulk mixtures. The solid-solution structures and local structure were confirmed via HR-TEM, X-ray photoelectron spectroscopy (XPS) and X-ray absorption fine structure spectroscopy (XAFS).We have synthesized solid-solution nanoparticles (Pd : Ru = 1 : 3, 1 : 1 and 3 : 1) in an immiscible Pd–Ru system by the pulsed plasma in liquid method using Pd–Ru mixture bulk electrodes. |
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