期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 740, 期 -, 页码 935-940出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2017.12.127
关键词
Partly miscible metals; Platinum; Gold; Nanoalloys; Synthesis; Characterization
资金
- Russian Science Foundation [16-13-10192]
- Russian Science Foundation [16-13-10192] Funding Source: Russian Science Foundation
The platinum-gold alloyed nanoparticles were prepared via decomposition of double complex salts containing both inorganic and organic ligands. Decomposition of the precursor was performed in a reductive atmosphere with varied temperature ramping rates. The samples were characterized by means of X-ray diffraction (XRD) analysis, transmission electron microscopy, and UV-vis spectroscopy. According to XRD data, both the ramping rate and the final temperature of decomposition strongly affect the Pt-Au ratio in alloyed nanoparticles which are being formed. The average crystallite size was found to be 15-20 nm, that was also confirmed by UV-vis spectroscopy for the alloyed Pt-Au nanoparticles supported on alumina. (C) 2018 Elsevier B.V. All rights reserved.
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