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- Title
Surface-Confined Single-Layer Covalent Organic Framework on Single-Layer Graphene Grown on Copper Foil.
- Authors
Xu, Lirong; Zhou, Xin; Tian, Wei Quan; Gao, Teng; Zhang, Yan Feng; Lei, Shengbin; Liu, Zhong Fan
- Abstract
The integration of 2D covalent organic frameworks (COFs) with atomic thickness with graphene will lead to intriguing two-dimensional materials. A surface-confined covalently bonded Schiff base network was prepared on single-layer graphene grown on copper foil and the dynamic reaction process was investigated with scanning tunneling microscopy. DFT simulations provide an understanding of the electronic structures and the interactions between the surface COF and graphene. Strong coupling between the surface COF and graphene was confirmed by the dispersive bands of the surface COF after interaction with graphene, and also by the experimental observation of tunneling condition dependent contrast of the surface COF.
- Subjects
COVALENT crystals; GRAPHENE; COPPER foil; SURFACE chemistry; SCANNING tunneling microscopy; SCHIFF bases
- Publication
Angewandte Chemie, 2014, Vol 126, Issue 36, p9718
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201400273