Continuous reduced graphene oxide film prepared by stitching of nanosheets at the interface of two immiscible solutions

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Abstract

In summary, RGO sheets dispersed in water are prepared by chemical reduction of GO using ascorbic acid. By mixing and sonication of submicron-size RGO sheets in two immiscible liquids (e.g., chloroform and water) for the first time we have prepared a continuous large-area RGO film at the interface. In other words, we have shown that aggregated RGO sheets could be fully stretched at the interface to form a continuous film. The RGO film has been characterized by SEM, TEM, UV-vis absorption, XPS and Raman. The film exhibits high flexibility, transparency, and very long-term stability without forming aggregations. Without requiring vapor deposition, a special instrument, or a filtration followed by a removing the filter paper one could easily achieve a continuous RGO-film in any laboratories. Our solution-based method is much simpler and cost-effective, and very good for large scale mass production. This finding could boost real applications of graphene in laboratory and industry, and provide a new methodology for the fabrication of large-area continuous graphene films.

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CITATION STYLE

APA

Sohn, Y., Kim, S. K., & Min, B. K. (2011). Continuous reduced graphene oxide film prepared by stitching of nanosheets at the interface of two immiscible solutions. Bulletin of the Korean Chemical Society, 32(2), 713–715. https://doi.org/10.5012/bkcs.2011.32.2.713

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