期刊
NANOSCALE
卷 6, 期 13, 页码 7249-7254出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4nr01838a
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资金
- Swiss Nanoscience Institute (SNI)
- Swiss NSF [126969]
- OTKA [K105735]
- European Commission (EC) [263091]
- EC FP7-ICT SYMONE [105244]
- EC FP7-ITN MOLESCO [606728]
- SCIEX fellowship
Herein we demonstrate the controlled and reproducible fabrication of sub-5 nm wide gaps in single-layer graphene electrodes. The process is implemented for graphene grown via chemical vapor deposition using an electroburning process at room temperature and in vacuum. A yield of over 95% for the gap formation is obtained. This approach allows producing single-layer graphene electrodes for molecular electronics at a large scale. Additionally, from Raman spectroscopy and electroburning carried out simultaneously, we can follow the heating process and infer the temperature at which the gap formation happens.
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