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Ambrosi, A., Chua, C.K., Khezri, B., Sofer, Z., Webster, R.D. and Pumera, M. (2012) Chemically Reduced Graphene Contains Inherent Metallic Impurities Present in Parent Natural and Synthetic Graphite. Proceedings of the National Academy of Science of the United States of America, 109, 12899-12904.
https://doi.org/10.1073/pnas.1205388109

has been cited by the following article:

• TITLE: Graphene Oxide/Multilayer-Graphene Synthesized from Electrochemically Exfoliated Graphite and Its Influence on Mechanical Behavior of Polyurethane Composites

  AUTHORS: L. M. Flores-Vélez, O. Domínguez

  KEYWORDS: Electrochemical Exfoliation, Graphene Oxide, Nanocomposites, Polyurethane

  JOURNAL NAME: Materials Sciences and Applications, Vol.9 No.7, June 12, 2018

  ABSTRACT: Graphene Oxide/Multilayer-Graphene (GO-MG) flakes were obtained using an electrochemically exfoliated graphite (GR) electrode from secondary steel-making industry performed in a two-electrode system using tungsten as the counter electrode and GR as the working electrode. The exfoliated GO-MG flakes were processed and incorporated in an elastomeric polyurethane (PU) matrix. The mechanical properties of the PU/GO-MG composites were evaluated and compared with equivalent composites made of PU/GR powder. From experimental data analysis it was concluded that GO-MG flakes were approximately composed of 67 wt% GO and 33 wt% MG. The number of layers in the graphene flakes was estimated to be between 2 and 5 sheets. PU showed a breaking stress of 570 kPa, while the PU/20wt% GR attained a maximum stress of 750 kPa as compared to PU/10wt% GO-MF composite exhibiting a breaking stress of 1060 kPa.