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High-Contrast Visualization of Graphene Oxide on Dye-Sensitized Glass, Quartz, and Silicon by Fluorescence Quenching

Emanuele Treossi, Manuela Melucci, Andrea Liscio, Massimo Gazzano, Paolo Samorì, Vincenzo Palermo, Washington (2009)

We present a novel approach for detecting and visualizing graphene oxide (GO) with high contrast on different substrates, including glass, quartz, and silicon. Visualization of GO sheets is accomplished through quenching the fluorescence of a thiophene dye, giving high optical contrast without the need to use interference methods. A comparison of fluorescence, AFM, and XRD measurements confirmed that even a single GO sheet can completely quench the fluorescence and thus be quickly visualized.

Partners : UdS and CNR

Place of Publication : Washington

Date of Publication : 2009/10/13

Additional Data : J. AM. CHEM. SOC. 2009, 131, 15576–15577

Link to the online version of the article.