Until now, these graphene nanoribbons were made using top-down approaches, such as "cutting" the ribbons from larger graphene sheets or "unzipping" carbon nanotubes.

目前为止，石墨烯带的制作都是通过自顶向下的方法，如用激光从大片石墨烯层上“剪”出带状或是“剖”开碳纳米管。

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Fasel and colleagues have already shown that this technique is viable by connecting three separate graphene ribbons together using two suitable monomers.

通过用两个适合的单体连结三个分立的石墨烯带，Fasel和他的同事展示了这种技术的可行性。

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