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A simple method for fabricating single-layer graphene nanoribbons (sGNRs) from double-walled carbon nanotubes (DWNTs) was developed. A sonication treatment was employed to unzip the DWNTs by inducing defects in them through annealing at 500 °C. The unzipped DWNTs yielded double-layered GNRs (dGNRs). Further sonication allowed each dGNR to be unpeeled into… (More)
In this Article, the Figure labels were omitted from Figure 1. The correct Figure 1 appears below. In addition, there is a typographical error in the Acknowledgements section. for fruitful discussions and Profs. T. Maeda and Y. Horibe of Kyutech, Japan, for support with the experiments. " OPEN Figure 1.