Size Fractionation of Graphene Oxide Sheets via Filtration through Track-Etched Membranes.

Chen, Ji; Li, Yingru; Huang, Liang; Jia, Naer; Li, Chun; Shi, Gaoquan · Adv Mater · 2015

basic_science · Level V

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Abstract

Graphene oxide (GO) fractionation is achieved by size-exclusive passing of GO sheets through size-defined pores of track-etched membranes, which separate the GO sample into three portions with narrow size distributions. The method reported can be used for the performance improvement of graphene-based materials.