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Nanoparticles: Correlation Between Surface Chemistry and Electrocatalytic Properties of Monodisperse Pt x Ni 1‐ x Nanoparticles (Adv. Funct. Mater. 1/2011)
Author(s) -
Wang Chao,
Chi Miaofang,
Wang Guofeng,
van der Vliet Dennis,
Li Dongguo,
More Karren,
Wang HsienHau,
Schlueter John A.,
Markovic Nenad M.,
Stamenkovic Vojislav R.
Publication year - 2011
Publication title -
advanced functional materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.069
H-Index - 322
eISSN - 1616-3028
pISSN - 1616-301X
DOI - 10.1002/adfm.201090114
Subject(s) - dispersity , nanoparticle , materials science , nanomaterials , nanostructure , alloy , dissolution , nanotechnology , homogeneous , chemical engineering , polymer chemistry , metallurgy , thermodynamics , physics , engineering
Monodisperse and homogeneous Pt x Ni 1‐ x alloy nanoparticles of various compositions are synthesized via an organic solution approach in order to reveal the correlation between surface chemistry and their electrocatalytic properties. Atomic‐level microscopic analysis of the compositional profile and modeling of nanoparticle structure are combined to follow the dependence of Ni dissolution on the initial alloy composition and formation of the Pt‐skeleton nanostructures. The developed approach and acquired knowledge about surface structure‐property correlation can be further generalized and applied towards the design of advanced functional nanomaterials.