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

Alvaro Mayoral; Lawrence F. Allard; Domingo Ferrer; Rodrigo Esparza; Miguel Jose-Yacaman

doi:10.1039/c0jm02624g

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

Alvaro Mayoral, Lawrence F. Allard, Domingo Ferrer, Rodrigo Esparza, Miguel Jose-Yacaman

Research output: Contribution to journal › Article › peer-review

32 Scopus citations

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.

Original language	English (US)
Pages (from-to)	893-898
Number of pages	6
Journal	Journal of Materials Chemistry
Volume	21
Issue number	3
DOIs	https://doi.org/10.1039/c0jm02624g
State	Published - Jan 21 2011
Externally published	Yes

ASJC Scopus subject areas

General Chemistry
Materials Chemistry

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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.",

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AU - Mayoral, Alvaro

AU - Allard, Lawrence F.

AU - Ferrer, Domingo

AU - Esparza, Rodrigo

AU - Jose-Yacaman, Miguel

PY - 2011/1/21

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AB - 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.

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

Abstract

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