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1·Until now, previous methods to make graphene nanoribbons always produced rough edges that were difficult to study.

直至目前，这以前的方法获得的石墨烯纳米带都是粗糙边缘以至于很难研究。

2·In the thesis, we introduce the graphene physics properties, geometry structure and the basic study methods of graphene nanoribbons.

本文先介绍了石墨烯相关物理特性和石墨烯纳米带几何结构以及研究石墨烯纳米带的基本方法。

3·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。

4·We discuss the electronic structures of the deformed graphene nanoribbons, because we need the different energy gap when we put the graphene nanoribbons into the application.

由于石墨烯纳米带在实际应用中需要不同的带隙，我们讨论了石墨烯纳米带在形变条件下的电子能带结构。