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Interactions of Pb and Te atoms with graphene
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Gong, Chuncheng, Robertson, Alex W., He, Kuang, Ford, Camden, Watt, Andrew A. R. and Warner, Jamie H. (2014) Interactions of Pb and Te atoms with graphene. Dalton Transactions, 43 (20). pp. 7442-7448. doi:10.1039/c4dt00143e ISSN 1477-9226.
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Official URL: http://dx.doi.org/10.1039/c4dt00143e
Abstract
PbTe nanocrystals were deposited onto the surface of graphene and used as a reservoir of Pb and Te atoms. Electron beam irradiation at 80 kV caused Pb and Te atoms to mobilize and disperse across the surface of graphene. We studied the dynamics of these atoms in real time using aberration-corrected transmission electron microscopy. The Pb and Te atoms were found to attach to the surface layer of amorphous carbon that resides upon the graphene, as well as its edge. Pb and Te atoms were not found residing on pristine graphene, but were found to bond to the free edge states along graphene hole edges. Small PbTe nanoclusters tended to only form on the surface of the amorphous carbon regions and not on pristine graphene.
Item Type: | Journal Article | ||||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||||||
Journal or Publication Title: | Dalton Transactions | ||||||||||
Publisher: | Royal Society of Chemistry | ||||||||||
ISSN: | 1477-9226 | ||||||||||
Official Date: | 28 May 2014 | ||||||||||
Dates: |
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Volume: | 43 | ||||||||||
Number: | 20 | ||||||||||
Page Range: | pp. 7442-7448 | ||||||||||
DOI: | 10.1039/c4dt00143e | ||||||||||
Status: | Peer Reviewed | ||||||||||
Publication Status: | Published | ||||||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||||||
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