Research Article


2008, 1: 40-45


Sawtooth-Like Graphene Nanoribbon

Xiaojun Wu and Xiao Cheng Zeng(

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Department of Chemistry and Nebraska Center for Materials and Nanoscience, University of Nebraska-Lincoln, Lincoln, NE 68588, USA

Keywords: Graphene nanoribbons, sawtooth-like GNR, straight GNR, edge effect
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  • Abstract
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Motivated by recent successful synthesize of segmented graphene nanoribbons (GNRs) with junctions, we explore electronic properties of a novel form of GNR with sawtooth-like structure using the density-functional theory method. It is found that the unique edge structures of the sawtooth-like GNR induce richer band-gap features than the straight GNR counterpart with either armchair or zigzag edges. The effect of external electric fi eld on the electronic properties of the sawtooth-like GNR is also studied. The theoretical results may be useful for designing GNR-based fi eld-effect transistors.
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Sawtooth-Like Graphene Nanoribbon. Nano Res. 2008, 1: 40-45

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