Shape-selective synthesis and facet-dependent enhanced electrocatalytic activity and durability of monodisperse Sub-10 nm Pt-Pd tetrahedrons and cubes

An Xiang Yin; Xiao Quan Min; Ya Wen Zhang; Chun Hua Yan

doi:10.1021/ja200329p

Shape-selective synthesis and facet-dependent enhanced electrocatalytic activity and durability of monodisperse Sub-10 nm Pt-Pd tetrahedrons and cubes

An Xiang Yin, Xiao Quan Min, Ya Wen Zhang^*, Chun Hua Yan

^*Corresponding author for this work

Peking University

Research output: Contribution to journal › Article › peer-review

431 Citations (Scopus)

Abstract

Monodisperse single-crystalline sub-10 nm Pt-Pd nanotetrahedrons (NTs) and nanocubes (NCs) were synthesized with high shape selectivity via one-pot hydrothermal routes with small ions as efficient facet-selective agents. These alloy nanocrystals showed facet-dependent enhanced electrocatalytic activity and durability for methanol electrooxidations with commercial Pt/C catalyst as a reference. The (100)-facet-enclosed Pt-Pd NCs demonstrated a higher activity, whereas the (111)-facet-enclosed Pt-Pd NTs exhibited a better durability.

Original language	English
Pages (from-to)	3816-3819
Number of pages	4
Journal	Journal of the American Chemical Society
Volume	133
Issue number	11
DOIs	https://doi.org/10.1021/ja200329p
Publication status	Published - 23 Mar 2011
Externally published	Yes

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Yin, A. X., Min, X. Q., Zhang, Y. W., & Yan, C. H. (2011). Shape-selective synthesis and facet-dependent enhanced electrocatalytic activity and durability of monodisperse Sub-10 nm Pt-Pd tetrahedrons and cubes. Journal of the American Chemical Society, 133(11), 3816-3819. https://doi.org/10.1021/ja200329p

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AU - Zhang, Ya Wen

AU - Yan, Chun Hua

PY - 2011/3/23

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AB - Monodisperse single-crystalline sub-10 nm Pt-Pd nanotetrahedrons (NTs) and nanocubes (NCs) were synthesized with high shape selectivity via one-pot hydrothermal routes with small ions as efficient facet-selective agents. These alloy nanocrystals showed facet-dependent enhanced electrocatalytic activity and durability for methanol electrooxidations with commercial Pt/C catalyst as a reference. The (100)-facet-enclosed Pt-Pd NCs demonstrated a higher activity, whereas the (111)-facet-enclosed Pt-Pd NTs exhibited a better durability.

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Shape-selective synthesis and facet-dependent enhanced electrocatalytic activity and durability of monodisperse Sub-10 nm Pt-Pd tetrahedrons and cubes

Abstract

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