Synthesis and structural investigation of Pd/Ag bimetallic nanoparticles prepared by the solvothermal method |
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Authors: | Weihua Wang Gengyu Cao |
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Institution: | (1) Department of Chemistry, Qufu Normal University, Qufu, Shandong, 273165, China;(2) State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, The Chinese Academy of Sciences, Wuhan, Hubei, 430071, China |
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Abstract: | Pd/Ag bimetallic nanoparticles have been synthesized successfully by reducing PdCl2 and AgNO3 mixture in ethylene glycol solution using the solvothermal method. The prepared samples have been characterized by UV–vis,
XRD, TEM, HRTEM, EDS, and XPS, respectively. Moreover, the bimetallic particles possess alloy and core-shell structure from
the HRTEM images. Here, the lattice fringe spacing of Pd/Ag bimetallic nanoparticles corresponds to its (111) plane, which
is between that of the Pd and Ag nanoparticles prepared under the same conditions. Furthermore, the possible formation mechanism
and factors influencing the formation of Pd/Ag bimetallic nanoparticles, such as reaction temperature and time, have also
been investigated. |
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Keywords: | Pd/Ag bimetallic nanoparticles solvothermal method alloy core-shell structure colloids |
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