Schumacher, Stefan ORCID: 0000-0003-3898-8555, Wehling, Tim O., Lazic, Predrag, Runte, Sven, Foerster, Daniel F., Busse, Carsten ORCID: 0000-0001-5522-0578, Petrovic, Mann, Kralj, Marko ORCID: 0000-0002-9786-3130, Bluegel, Stefan, Atodiresei, Nicolae ORCID: 0000-0002-8203-1227, Caciuc, Vasile ORCID: 0000-0002-4814-2417 and Michely, Thomas (2013). The Backside of Graphene: Manipulating Adsorption by Intercalation. Nano Lett., 13 (11). S. 5013 - 5020. WASHINGTON: AMER CHEMICAL SOC. ISSN 1530-6992

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Abstract

The ease by which graphene is affected through contact with other materials is one of its unique features and defines an integral part of its potential for applications. Here, it will be demonstrated that intercalation, the insertion of atomic layers in between the backside of graphene and the supporting substrate, is an efficient tool to change its interaction with the environment on the frontside. By partial intercalation of graphene on Ir(111) with Eu or Cs we induce strongly n-doped graphene patches through the contact with these intercalants. They coexist with nonintercalated, slightly p-doped graphene patches. We employ these backside doping patterns to directly visualize doping induced binding energy differences of ionic adsorbates to graphene through low-temperature scanning tunneling microscopy. Density functional theory confirms these binding energy differences and shows that they are related to the graphene doping level.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Schumacher, StefanUNSPECIFIEDorcid.org/0000-0003-3898-8555UNSPECIFIED
Wehling, Tim O.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lazic, PredragUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Runte, SvenUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Foerster, Daniel F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Busse, CarstenUNSPECIFIEDorcid.org/0000-0001-5522-0578UNSPECIFIED
Petrovic, MannUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kralj, MarkoUNSPECIFIEDorcid.org/0000-0002-9786-3130UNSPECIFIED
Bluegel, StefanUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Atodiresei, NicolaeUNSPECIFIEDorcid.org/0000-0002-8203-1227UNSPECIFIED
Caciuc, VasileUNSPECIFIEDorcid.org/0000-0002-4814-2417UNSPECIFIED
Michely, ThomasUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-472608
DOI: 10.1021/nl402797j
Journal or Publication Title: Nano Lett.
Volume: 13
Number: 11
Page Range: S. 5013 - 5020
Date: 2013
Publisher: AMER CHEMICAL SOC
Place of Publication: WASHINGTON
ISSN: 1530-6992
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
EPITAXIAL GRAPHENE; ULTRASOFT PSEUDOPOTENTIALS; ELECTRONIC-STRUCTURE; OXYGEN; UNDERNEATH; IR(111)Multiple languages
Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed MatterMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/47260

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