Role of wrinkles in the corrosion of graphene domain-coated Cu surfaces

We analyzed the protective ability of chemical vapor deposition (CVD) graphene domains against corrosion of Cu surfaces. Fresh graphene domains of various shapes were ideal corrosion-inhibiting layers. However, obvious corrosion was found within graphene domains exposed to the air for over a week. O...

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Bibliographic Details
Published in:Applied physics letters 2014-04, Vol.104 (14)
Main Authors: Zhang, Y. H., Zhang, H. R., Wang, B., Chen, Z. Y., Zhang, Y. Q., Sui, Y. P., Zhu, B., Tang, C. M., li, X. L., Xie, X. M., Yu, G. H., Jin, Z., Liu, X. Y.
Format: Article
Language:English
Subjects:
Applied physics
Chemical vapor deposition
Copper
Corrosion
Domains
Grain boundaries
Graphene
Organic chemistry
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Summary:We analyzed the protective ability of chemical vapor deposition (CVD) graphene domains against corrosion of Cu surfaces. Fresh graphene domains of various shapes were ideal corrosion-inhibiting layers. However, obvious corrosion was found within graphene domains exposed to the air for over a week. Our work demonstrates that the opportunities for corrosion of CVD graphene were provided by wrinkles but not others, such as Cu grain boundaries and graphene domain boundaries, which are always believed the primary factor for inferior quality of the CVD graphene at present.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.4871000