January 1, 1997
Direct observation of chemical reactions in silica‐coated gold and silver nanoparticles
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Abstract
The direct observation of chemical reactions of single particles in real time has been achieved using silver nano‐particles covered in a 10 nm silica shell (see cover). Transmission electron micrographs reveal how molecular iodine diffuses through the shell and reacts with Ag, giving AgI. A single AgI particle (mid‐gray) is shown to form on the surface of the silica while the Ag core shrinks. magnified image
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Authors
Paul Mulvaney
University of Notre Dame
M
Michael Giersig
Institute of Fundamental Technological Research
T
Thearith Ung
Sprint (United States)
Journals
Advanced Materials
Actions
Institutions
The University of Melbourne
Universidade de Vigo
Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute
References and Citations
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