Electron irradiation induced buckling, morphological transformation, and inverse Ostwald ripening in nanorod filled inside carbon nanotube

Electron irradiation induced buckling, morphological transformation, and inverse Ostwald ripening... Article history: The present study aims to deduce the in-situ response of iron carbide (Fe C) nanorod filled inside carbon Received 7 September 2015 nanotube (CNT) under electron irradiation. Electron irradiation on Fe C filled-CNT at both high and room Received in revised form 7 November 2015 temperature (RT) has been performed inside transmission electron microscope. At high temperature Accepted 10 November 2015 (HT), it has been found that -Fe atoms in lattice of Fe C nanorod accumulate first and then form the Available online 25 November 2015 cluster. These clusters follow the inverse Ostwald ripening whereas if e-irradiation is performed at RT then only the morphological changes in both carbon nanotube as well as nanorod are observed. Compression Keywords: generated either by electron beam heating or by shrinkage of CNT walls is observed to be a decisive factor. Filled-carbon nanotube © 2015 Elsevier B.V. All rights reserved. Electron-irradiation Nano-engineering shape-alteration In situ transmission electron microscopy 1. Introduction post-synthesis alteration capability on filled-CNTs [8,10–14]. This technique may further facilitate the reported applications of un- The possibility of filling the carbon nanotube core with vari- filled as well as fully/partially filled CNTs used as nanopippete [15], ety of substances has http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Surface Science Elsevier

Electron irradiation induced buckling, morphological transformation, and inverse Ostwald ripening in nanorod filled inside carbon nanotube

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Publisher
Elsevier
Copyright
Copyright © 2015 Elsevier B.V.
ISSN
0169-4332
eISSN
1873-5584
D.O.I.
10.1016/j.apsusc.2015.11.110
Publisher site
See Article on Publisher Site

Abstract

Article history: The present study aims to deduce the in-situ response of iron carbide (Fe C) nanorod filled inside carbon Received 7 September 2015 nanotube (CNT) under electron irradiation. Electron irradiation on Fe C filled-CNT at both high and room Received in revised form 7 November 2015 temperature (RT) has been performed inside transmission electron microscope. At high temperature Accepted 10 November 2015 (HT), it has been found that -Fe atoms in lattice of Fe C nanorod accumulate first and then form the Available online 25 November 2015 cluster. These clusters follow the inverse Ostwald ripening whereas if e-irradiation is performed at RT then only the morphological changes in both carbon nanotube as well as nanorod are observed. Compression Keywords: generated either by electron beam heating or by shrinkage of CNT walls is observed to be a decisive factor. Filled-carbon nanotube © 2015 Elsevier B.V. All rights reserved. Electron-irradiation Nano-engineering shape-alteration In situ transmission electron microscopy 1. Introduction post-synthesis alteration capability on filled-CNTs [8,10–14]. This technique may further facilitate the reported applications of un- The possibility of filling the carbon nanotube core with vari- filled as well as fully/partially filled CNTs used as nanopippete [15], ety of substances has

Journal

Applied Surface ScienceElsevier

Published: Jan 1, 2016

References

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