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Atomically Thick Pt‐Cu Nanosheets: Self‐Assembled Sandwich and Nanoring‐Like Structures
Author(s) -
Saleem Faisal,
Xu Biao,
Ni Bing,
Liu Huiling,
Nosheen Farhat,
Li Haoyi,
Wang Xun
Publication year - 2015
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201405319
Subject(s) - nanoring , materials science , nanosheet , alloy , catalysis , nanotechnology , chemical engineering , formic acid , nanoparticle , composite material , organic chemistry , chemistry , engineering
Atomically thick and flexible Pt‐Cu alloy nanosheets are prepared and loaded with either Pd or Pt to produce sandwich structures or nanoring‐like nanosheet structures, respectively. Core–shell alloy nanoparticles containing Rh, Ir, and Ru are also prepared. All of these structures exhibit superior specific and mass activities for the oxidation of formic acid for fuel cells for portable electronic devices as compared to commercial Pd/C catalyst.