ICCAS OpenIR
Fractal Etching of Graphene
Geng, Dechao; Wu, Bin; Guo, Yunlong; Luo, Birong; Xue, Yunzhou; Chen, Jianyi; Yu, Gui; Liu, Yunqi
2013-05-01
Source PublicationJOURNAL OF THE AMERICAN CHEMICAL SOCIETY
ISSN0002-7863
Volume135Issue:17Pages:6431-6434
AbstractAn anisotropic etching mode is commonly known for perfect crystalline materials, generally leading to simple Euclidean geometric patterns This principle has also proved to apply to the etching of the thinnest crystalline material, graphene, resulting in hexagonal holes with zigzag edge structures. Here we demonstrate for the first time that the graphene etching mode can deviate; significantly from simple anisotropic etching. Using an as-grown graphene film on a liquid copper surface as a model system, we show that the etched graphene pattern can be modulated from a simple hexagonal pattern to complex fractal geometric patterns with sixfold symmetry by varying the Ar/H-2 flow rate ratio: The etched fractal patterns are formed by the repeated construction of a basic identical motif, and the physical origin of the pattern formation is consistent with a diffusion-controlled process. The fractal etching mode of graphene presents an intriguing case for the fundamental study of material etching.
DOI10.1021/ja402224h
Indexed BySCI
Language英语
WOS IDWOS:000318469100014
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:83[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/42196
Collection中国科学院化学研究所
Corresponding AuthorYu, Gui
AffiliationChinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Geng, Dechao,Wu, Bin,Guo, Yunlong,et al. Fractal Etching of Graphene[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,2013,135(17):6431-6434.
APA Geng, Dechao.,Wu, Bin.,Guo, Yunlong.,Luo, Birong.,Xue, Yunzhou.,...&Liu, Yunqi.(2013).Fractal Etching of Graphene.JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,135(17),6431-6434.
MLA Geng, Dechao,et al."Fractal Etching of Graphene".JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 135.17(2013):6431-6434.
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