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Soluble Graphene: Generation of Aqueous Graphene Solutions Aided by a Perylenebisimide-Based Bolaamphiphile

Authors

  • Jan M. Englert,

    1. Department of Chemistry and Pharmacy and Institute of Advanced Materials and Processes (ZMP) Friedrich Alexander University Erlangen–Nürnberg Henkestrasse 42, 91054 Erlangen (Germany)
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  • Jonas Röhrl,

    1. Lehrstuhl für Technische Physik, Department of Physics Friedrich Alexander University Erlangen–Nürnberg Erwin-Rommel-Strasse 1, 91058 Erlangen (Germany)
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  • Cordula D. Schmidt,

    1. Department of Chemistry and Pharmacy and Institute of Advanced Materials and Processes (ZMP) Friedrich Alexander University Erlangen–Nürnberg Henkestrasse 42, 91054 Erlangen (Germany)
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  • Ralf Graupner,

    1. Lehrstuhl für Technische Physik, Department of Physics Friedrich Alexander University Erlangen–Nürnberg Erwin-Rommel-Strasse 1, 91058 Erlangen (Germany)
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  • Martin Hundhausen,

    1. Lehrstuhl für Technische Physik, Department of Physics Friedrich Alexander University Erlangen–Nürnberg Erwin-Rommel-Strasse 1, 91058 Erlangen (Germany)
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  • Frank Hauke,

    1. Department of Chemistry and Pharmacy and Institute of Advanced Materials and Processes (ZMP) Friedrich Alexander University Erlangen–Nürnberg Henkestrasse 42, 91054 Erlangen (Germany)
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  • Andreas Hirsch

    Corresponding author
    1. Department of Chemistry and Pharmacy and Institute of Advanced Materials and Processes (ZMP) Friedrich Alexander University Erlangen–Nürnberg Henkestrasse 42, 91054 Erlangen (Germany)
    • Department of Chemistry and Pharmacy and Institute of Advanced Materials and Processes (ZMP) Friedrich Alexander University Erlangen–Nürnberg Henkestrasse 42, 91054 Erlangen (Germany).
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Abstract

original image

Single-layer graphene (SLG) is deposited onto Si/SiO2 substrates from aqueous dispersions using a scalable and quick detergent-based method (see figure). The deposits are analyzed using absorption and Raman spectroscopy and atomic force and optical microscopy. Evaluation of the two-phonon defect-induced Raman peak of individual particles on the substrate is used to confirm exfoliation into graphene monolayers.

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