Issue 37, 2011
From the journal:

Physical Chemistry Chemical Physics

Pb intercalation underneath a graphene layer on Ru(0001) and its effect on graphene oxidation†

Li Jin,a   Qiang Fu,*a   Rentao Mu,a   Dali Tana  and  Xinhe Bao*a  

* Corresponding authors

a State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, the Chinese Academy of Sciences, Dalian 116023, P. R. China
E-mail: qfu@dicp.ac.cn, xhbao@dicp.ac.cn
Fax: +86-411-84694447
Tel: +86-411-84686637

Abstract

Intercalation of Pb at graphene/Ru(0001) interfaces has been dynamically observed using in situlow energy electron microscopy and photoemission electron microscopy. A comparative study of Pb intercalation on the submonolayer and complete monolayer graphene surfaces suggest that the Pb intercalation happens through the open edges of graphene islands, starting at around 150 °C. Spatially-resolved low energy electron diffraction measurements reveal that the Pb-intercalated graphene overlayers are quasi-free-standing. The intercalated graphene sheets show lower reactivity to oxidation in O2.

Graphical abstract: Pb intercalation underneath a graphene layer on Ru(0001) and its effect on graphene oxidation

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Article information

DOI
https://doi.org/10.1039/C1CP21843C
Article type
Paper
Submitted
07 Jun 2011
Accepted
26 Jul 2011
First published
18 Aug 2011

Phys. Chem. Chem. Phys., 2011,13, 16655-16660

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Pb intercalation underneath a graphene layer on Ru(0001) and its effect on graphene oxidation

L. Jin, Q. Fu, R. Mu, D. Tan and X. Bao, Phys. Chem. Chem. Phys., 2011, 13, 16655 DOI: 10.1039/C1CP21843C

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