A simple method for graphene production based on exfoliation of graphite in water using 1-pyrenesulfonic acid sodium salt

H. Yang, Y. Hernandez, A. Schlierf, A. Felten, A. Eckmann, S. Johal, P. Louette, J. J. Pireaux, X. Feng, K. Mullen, V. Palermo, C. Casiraghi

    Research output: Contribution to journalArticlepeer-review

    Abstract

    In this work we use a chemical approach based on supra-molecular and non-covalent interactions between graphene and 1-pyrenesulfonic acid sodium salt (Py-1SO3) to obtain a stable dispersion of graphene by using only water as solvent. The material has been characterized by a combination of spectroscopic and microscopic techniques. In particular, an extensive Raman analysis shows that we have ∼70% few-graphene layers (
    Original languageEnglish
    Pages (from-to)357-365
    Number of pages8
    JournalCarbon
    Volume53
    DOIs
    Publication statusPublished - Mar 2013

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