期刊
CHEMISTRY OF MATERIALS
卷 27, 期 17, 页码 6085-6090出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.chemmater.5b02602
关键词
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资金
- U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-AC02-06CH11357]
- U.S. Department of Energy SISGR [DE-FG02-09ER16109]
- Office of Naval Research [N00014-14-1-0669]
- National Science Foundation [DGE-0824162]
The integration of heterogeneous two-dimensional materials has the potential to yield electronic behavior approaching theoretical limits and facilitate the exploration of new fundamental physical phenomena. Here, we report the integration of graphene with two-dimensional, semiconducting crystalline silicon. Sequential deposition of carbon and silicon on Ag(111) in ultrahigh vacuum results in the synthesis of both lateral and vertical graphene silicon heterostructures. The one-dimensional in-plane interfaces demonstrate atomically precise material transitions both structurally and electronically. The vertical heterostructures show noninteracting van der Wags behavior as shown by energetically resolved scanning tunneling microscopy coupled with ex-situ Raman analysis. The pristine and direct integration of graphene with two-dimensional, semiconducting crystalline silicon couples two of the most studied electronic materials into a hybrid structure with high potential for next-generation nanoelectronics.
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