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In these Pt particles, more than 90% of atoms are located on the surface and the atomic coordination number of ∼1 nm particles is smaller than that in larger nanoparticles (e.g. 12 in a fcc lattice) which has a substantial fraction of the atoms in the bulk inducing distinctly different catalytic performance. |
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2Â¥2011-10-04 20:30:54
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