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Title: Triangular Ag–Pd alloy nanoprisms : rational synthesis with high-efficiency for electrocatalytic oxygen reduction
Authors: Xu, Lin
Tan, Chaoliang
Luo, Zhimin
Fan, Zhanxi
Zhang, Xiao
Li, Hai
Zhang, Hua
Xue, Can
Keywords: DRNTU::Engineering::Materials::Nanostructured materials
Issue Date: 2014
Source: Xu, L., Luo, Z., Fan, Z., Zhang, X., Tan, C., Li, H., et al. (2014). Triangular Ag–Pd alloy nanoprisms : rational synthesis with high-efficiency for electrocatalytic oxygen reduction. Nanoscale, 6(20), 11738-11743.
Series/Report no.: Nanoscale
Abstract: We report the generation of triangular Ag–Pd alloy nanoprisms through a rationally designed synthetic strategy based on silver nanoprisms as sacrificial templates. The galvanic replacement between Ag nanoprisms and H2PdCl4 along with co-reduction of Ag+/Pd2+ is responsible for the formation of final prismatic Ag–Pd alloy nanostructures. Significantly, these Ag–Pd alloy nanoprisms exhibited superior electrocatalytic activity for the oxygen reduction reaction (ORR) as compared with the commercial Pd/C catalyst. Such a high catalytic activity is attributed to not only the alloyed Ag–Pd composition but also the dominant {111} facets of the triangular Ag–Pd nanoprisms. This work demonstrates the rational design of bimetallic alloy nanostructures with control of selective crystal facets that are critical to achieve high catalytic activity for fuel cell systems.
DOI: 10.1039/C4NR03600J
Rights: © 2014 The Royal Society of Chemistry. This is the author created version of a work that has been peer reviewed and accepted for publication in Nanoscale, published by Royal Society of Chemistry. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [Article DOI:].
Fulltext Permission: open
Fulltext Availability: With Fulltext
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