Role of graphene defects in corrosion of graphene-coated Cu(111) surface

被引：88

作者：

Wlasny, I. ^{[1
]}

Dabrowski, P. ^{[1
,2
]}

Rogala, M. ^{[1
]}

Kowalczyk, P. J. ^{[1
]}

Pasternak, I. ^{[2
]}

Strupinski, W. ^{[2
]}

Baranowski, J. M. ^{[2
]}

Klusek, Z. ^{[1
]}

机构：

[1] Univ Lodz, Fac Phys & Appl Informat, Dept Solid States Phys, PL-90236 Lodz, Poland

[2] Inst Elect Mat Technol, PL-01919 Warsaw, Poland

来源：

APPLIED PHYSICS LETTERS | 2013年 / 102卷 / 11期

关键词：

OXIDE THIN-FILMS; COPPER-OXIDE; OPTICAL-PROPERTIES; OXIDATION; SPECTROSCOPY; DEPOSITION; REDUCTION; HYDROGEN; LAYER; CU;

D O I：

10.1063/1.4795861

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Protection of Cu(111) surface by chemical vapor deposition graphene coating is investigated. The X-ray photoemission spectroscopy results do not reveal any signs of corrosion on graphene-coated Cu(111), and suggest perfect protection of copper surface against interaction with atmospheric gases. However, the scanning tunneling spectroscopy results show that cracks in the graphene sheet open up windows for nanoscale corrosion. We have shown also that such local corrosions are not only limited to the discontinuities but may also progresses underneath the graphene cover. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4795861]

引用

页数：4

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