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Effects of TiO2 Support on the Initial Stage of Pt Nanoparticle Growth

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Published 28 January 2013 ©2013 The Japan Society of Applied Physics
, , Citation Teng-Yuan Chang et al 2013 Appl. Phys. Express 6 025503 DOI 10.7567/APEX.6.025503

1882-0786/6/2/025503

Abstract

Aberration-corrected scanning transmission electron microscopy (STEM) is used to characterize the initial-stage of Pt nanoparticle growth on TiO2(110) surfaces. Atomic-resolution Z-contrast STEM images clearly show that, in contrast to the three-dimensional island growth of Pt nanoparticles when supported on an amorphous substrate, Pt nanoparticles grow in a two-dimensional manner in the initial stage of growth due to the strong interaction with the TiO2 support.

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10.7567/APEX.6.025503