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Electronic properties of edge-functionalized zigzag graphene nanoribbons on SiO2substrate
2011
Nanotechnology
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Based on first-principles calculations, electronic properties of edge-functionalized zigzag graphene nanoribbons (ZGNRs) on SiO2 substrate are presented. Metallic or semiconducting properties of ZGNRs are revealed due to various interactions between edge-hydrogenated ZGNRs and different SiO2 (0001) surfaces. Bivalent functional groups decorating ZGNRs serve as the bridge between active edges of ZGNRs and SiO2. These functional groups stabilize ZGNRs on substrate, as well as modify the edge
doi:10.1088/0957-4484/22/26/265702
pmid:21576802
fatcat:r2xnqd3dz5fcxarxvjds7h5rhy