期刊
NANO LETTERS
卷 12, 期 8, 页码 3936-3940出版社
AMER CHEMICAL SOC
DOI: 10.1021/nl300985q
关键词
Graphene; scanning transmission electron microscopy; 2D materials; etching; self-healing
类别
资金
- EPSRC [EP/I008144/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/I008144/1] Funding Source: researchfish
Nanoholes, etched under an electron beam at room temperature in single-layer graphene sheets as a result of their interaction with metal impurities, are shown to heal spontaneously by filling up with either nonhexagon, graphene-like, or perfect hexagon 2D structures. Scanning transmission electron microscopy was employed to capture the healing process and study atom-by-atom the regrown structure A combination of these nanoscale etching and reknitting processes could lead to new graphene tailoring approaches.
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