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Preferential Pt nanocluster seeding at grain boundary dislocations in polycrystalline monolayer MoS2

Abstract:

We show that Pt nanoclusters preferentially nucleate along the grain boundaries (GBs) in polycrystalline MoS2 monolayer films, with dislocations acting as the seed site. Atomic resolution studies by aberration-corrected annular dark field scanning transmission electron microscopy reveal periodic spacing of Pt nanoclusters with dependence on GB tilt angles and random spacings for the anti-phase boundaries (i.e. 60o). Individual Pt atoms are imaged within the dislocation core sections of the GB...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted Manuscript

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Publisher copy:
10.1021/acsnano.8b01418

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Institution:
University of Oxford
Division:
MPLS Division
Department:
Materials
ORCID:
0000-0003-3750-6737
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Materials
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Materials
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Publisher:
American Chemical Society Publisher's website
Journal:
ACS Nano Journal website
Volume:
12
Issue:
6
Pages:
5626-5636
Publication date:
2018-05-15
Acceptance date:
2018-05-08
DOI:
EISSN:
1936-086X
ISSN:
1936-0851
Pubs id:
pubs:848124
URN:
uri:038d67e0-9774-4749-a616-dc20058894ed
UUID:
uuid:038d67e0-9774-4749-a616-dc20058894ed
Local pid:
pubs:848124

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