Bulk Production of a New Form of sp<sup>2</sup> Carbon: Crystalline Graphene Nanoribbons
Jessica Campos‐Delgado(Institute for Scientific and Technological Research), J. M. Romo-Herrera(Institute for Scientific and Technological Research), Xiaoting Jia(Institute for Scientific and Technological Research), David A. Cullen(Institute for Scientific and Technological Research), Hiroyuki Muramatsu(Institute for Scientific and Technological Research), Yoong Ahm Kim(Institute for Scientific and Technological Research), Takuya Hayashi(Institute for Scientific and Technological Research), Zhifeng Ren(Institute for Scientific and Technological Research), David J. Smith(Institute for Scientific and Technological Research), Yu Okuno(Institute for Scientific and Technological Research), Tomonori Ohba(Institute for Scientific and Technological Research), Hirofumi Kanoh(Institute for Scientific and Technological Research), Katsumi Kaneko(Institute for Scientific and Technological Research), Morinobu Endo(Institute for Scientific and Technological Research), Humberto Terrones(Institute for Scientific and Technological Research), M. S. Dresselhaus(Institute for Scientific and Technological Research), Mauricio Terrones(Institute for Scientific and Technological Research)
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Abstract
We report the use of chemical vapor deposition (CVD) for the bulk production (grams per day) of long, thin, and highly crystalline graphene ribbons (<20-30 microm in length) exhibiting widths of 20-300 nm and small thicknesses (2-40 layers). These layers usually exhibit perfect ABAB... stacking as in graphite crystals. The structure of the ribbons has been carefully characterized by several techniques and the electronic transport and gas adsorption properties have been measured. With this material available to researchers, it should be possible to develop new applications and physicochemical phenomena associated with layered graphene.
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