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Issue 3, 2011
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On the behavior of Ag nanowires under high temperature: in situ characterization by aberration-corrected STEM

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Abstract

Single crystal nanowires have been monitored at a wide range of temperatures from room temperature up to 900 °C using an aberration-corrected JEOL 2200FS scanning transmission electron microscope in both, bright field and high angle annular dark field, modes. The in situ measurements allowed heating and cooling the material instantaneously at the desired value making able to analyze the behaviour of silver nanowires at atomic resolution. The nanowires which firstly melted and subsequently vaporized left after the reaction empty carbon nanotubes. In addition, a Chevron-like defect has been also observed for the first time in silver nanowires and a structural analysis has been carried out by aberration corrected scanning transmission electron microscopy using high angle annular dark field imaging.

Graphical abstract: On the behavior of Ag nanowires under high temperature: in situ characterization by aberration-corrected STEM

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Supplementary files

Article information


Submitted
11 Aug 2010
Accepted
20 Oct 2010
First published
15 Nov 2010

J. Mater. Chem., 2011,21, 893-898
Article type
Paper

On the behavior of Ag nanowires under high temperature: in situ characterization by aberration-corrected STEM

A. Mayoral, L. F. Allard, D. Ferrer, R. Esparza and M. Jose-Yacaman, J. Mater. Chem., 2011, 21, 893
DOI: 10.1039/C0JM02624G

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