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Surface Chemistry of Ag Particles: Identification of Oxide Species by Aberration‐Corrected TEM and by DFT Calculations
Author(s) -
Su Dang Sheng,
Jacob Timo,
Hansen Thomas W.,
Wang Di,
Schlögl Robert,
Freitag Bert,
Kujawa Stephan
Publication year - 2008
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200800406
Subject(s) - surface (topology) , oxide , transmission electron microscopy , identification (biology) , nanotechnology , materials science , optics , physics , geometry , mathematics , metallurgy , botany , biology
Edges and steps have been identified as the locations of surface (O2) and subsurface oxygen atoms (O1) on silver particles by means of DFT calculations and aberration‐corrected transmission electron microscopy. The experimental technique allows surface features, such as terraces, steps, and edges, to be clearly imaged (see picture) by eliminating the Fresnel fringes.
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