Scanning tunneling microscopy study and nanomanipulation of graphene-coated water on mica

Kevin T. He; Joshua D. Wood; Gregory P. Doidge; Eric Pop; Joseph W. Lyding

doi:10.1021/nl202613t

Scanning tunneling microscopy study and nanomanipulation of graphene-coated water on mica

Kevin T. He, Joshua D. Wood, Gregory P. Doidge, Eric Pop, Joseph W. Lyding

Research output: Contribution to journal › Article › peer-review

Abstract

We study interfacial water trapped between a sheet of graphene and a muscovite (mica) surface using Raman spectroscopy and ultrahigh vacuum scanning tunneling microscopy (UHV-STM) at room temperature. We are able to image the graphene-water interface with atomic resolution, revealing a layered network of water trapped underneath the graphene. We identify water layer numbers with a carbon nanotube height reference. Under normal scanning conditions, the water structures remain stable. However, at greater electron energies, we are able to locally manipulate the water using the STM tip.

Original language	English (US)
Pages (from-to)	2665-2672
Number of pages	8
Journal	Nano letters
Volume	12
Issue number	6
DOIs	https://doi.org/10.1021/nl202613t
State	Published - Jun 13 2012

Keywords

Graphene
Raman
STM
atomic resolution
mica
scanning probe microscopy
water

ASJC Scopus subject areas

Bioengineering
General Chemistry
General Materials Science
Condensed Matter Physics
Mechanical Engineering

Online availability

10.1021/nl202613t

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abstract = "We study interfacial water trapped between a sheet of graphene and a muscovite (mica) surface using Raman spectroscopy and ultrahigh vacuum scanning tunneling microscopy (UHV-STM) at room temperature. We are able to image the graphene-water interface with atomic resolution, revealing a layered network of water trapped underneath the graphene. We identify water layer numbers with a carbon nanotube height reference. Under normal scanning conditions, the water structures remain stable. However, at greater electron energies, we are able to locally manipulate the water using the STM tip.",

keywords = "Graphene, Raman, STM, atomic resolution, mica, scanning probe microscopy, water",

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T1 - Scanning tunneling microscopy study and nanomanipulation of graphene-coated water on mica

AU - He, Kevin T.

AU - Wood, Joshua D.

AU - Doidge, Gregory P.

AU - Pop, Eric

AU - Lyding, Joseph W.

PY - 2012/6/13

Y1 - 2012/6/13

N2 - We study interfacial water trapped between a sheet of graphene and a muscovite (mica) surface using Raman spectroscopy and ultrahigh vacuum scanning tunneling microscopy (UHV-STM) at room temperature. We are able to image the graphene-water interface with atomic resolution, revealing a layered network of water trapped underneath the graphene. We identify water layer numbers with a carbon nanotube height reference. Under normal scanning conditions, the water structures remain stable. However, at greater electron energies, we are able to locally manipulate the water using the STM tip.

AB - We study interfacial water trapped between a sheet of graphene and a muscovite (mica) surface using Raman spectroscopy and ultrahigh vacuum scanning tunneling microscopy (UHV-STM) at room temperature. We are able to image the graphene-water interface with atomic resolution, revealing a layered network of water trapped underneath the graphene. We identify water layer numbers with a carbon nanotube height reference. Under normal scanning conditions, the water structures remain stable. However, at greater electron energies, we are able to locally manipulate the water using the STM tip.

KW - Graphene

KW - Raman

KW - STM

KW - atomic resolution

KW - mica

KW - scanning probe microscopy

KW - water

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Scanning tunneling microscopy study and nanomanipulation of graphene-coated water on mica

Abstract

Keywords

ASJC Scopus subject areas

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