Observation of Graphene Bubbles and Effective Mass Transport under Graphene Films

被引：185

作者：

Stolyarova, E. ^{[1
,2
]}

Stolyarov, D. ^{[3
]}

Bolotin, K. ^{[2
,4
]}

Ryu, S. ^{[1
,2
]}

Liu, L. ^{[1
,2
]}

Rim, K. T. ^{[1
,2
]}

Klima, M. ^{[2
,5
]}

Hybertsen, M. ^{[6
]}

Pogorelsky, I. ^{[3
]}

Pavlishin, I. ^{[3
]}

Kusche, K. ^{[3
]}

Hone, J. ^{[2
,5
]}

Kim, P. ^{[2
,4
]}

Stormer, H. L. ^{[4
,5
,7
,8
]}

Yakimenko, V. ^{[3
]}

Flynn, G. ^{[1
,2
]}

机构：

[1] Columbia Univ, Dept Chem, New York, NY 10027 USA

[2] Columbia Univ, Nanoscale Sci & Engn Ctr, New York, NY 10027 USA

[3] Brookhaven Natl Lab, Dept Phys, Accelerator Test Facil, Upton, NY 11973 USA

[4] Columbia Univ, Dept Phys, New York, NY 10027 USA

[5] Columbia Univ, Dept Mech Engn, New York, NY 10027 USA

[6] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA

[7] Columbia Univ, Dept Appl Phys, New York, NY 10027 USA

[8] Alcatel Lucent Technol, Bell Labs, Murray Hill, NJ 07974 USA

来源：

NANO LETTERS | 2009年 / 9卷 / 01期

基金：

美国国家科学基金会;

关键词：

SCANNING-TUNNELING-MICROSCOPY; SUSPENDED GRAPHENE; ELECTRONIC EXCITATION; DEFECT FORMATION; AMORPHOUS SIO2; CORE LEVELS; CARBON; DESORPTION; SHEETS; SCATTERING;

D O I：

10.1021/nl803087x

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Mechanically exfoliated graphene mounted on a SiO2/Si substrate was subjected to HF/H2O etching or irradiation by energetic protons. In both cases gas was released from the SiO2 and accumulated at the graphene/SiO2 interface resulting in the formation of "bubbles" in the graphene sheet. Formation of these "bubbles" demonstrates the robust nature of single layer graphene membranes, which are capable of containing mesoscopic volumes of gas. In addition, effective mass transport at the graphene/SiO2 interface has been observed.

引用

页码：332 / 337

页数：6

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