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Issue 9, 2012
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Interaction between single gold atom and the graphene edge: A study via aberration-corrected transmission electron microscopy

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Abstract

Interaction between single noble metal atoms and graphene edges has been investigated via aberration-corrected and monochromated transmission electron microscopy. A collective motion of the Au atom and the nearby carbon atoms is observed in transition between energy-favorable configurations. Most trapping and detrapping processes are assisted by the dangling carbon atoms, which are more susceptible to knock-on displacements by electron irradiation. Thermal energy is lower than the activation barriers in transition among different energy-favorable configurations, which suggests electron-beam irradiation can be an efficient way of engineering the graphene edge with metal atoms.

Graphical abstract: Interaction between single gold atom and the graphene edge: A study via aberration-corrected transmission electron microscopy

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Article information


Submitted
09 Jan 2012
Accepted
06 Mar 2012
First published
09 Mar 2012

Nanoscale, 2012,4, 2920-2925
Article type
Paper

Interaction between single gold atom and the graphene edge: A study via aberration-corrected transmission electron microscopy

H. Wang, K. Li, Y. Cheng, Q. Wang, Y. Yao, U. Schwingenschlögl, X. Zhang and W. Yang, Nanoscale, 2012, 4, 2920
DOI: 10.1039/C2NR00059H

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