Electrochemical exfoliation of graphite in quaternary ammonium-based deep eutectic solvents: a route for the mass production of graphane
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Authors: Abdelkader, A.M., Patten, H.V., Li, Z., Chen, Y. and Kinloch, I.A.
Journal: Nanoscale
Volume: 7
Issue: 26
Pages: 11386-11392
eISSN: 2040-3372
ISSN: 2040-3364
DOI: 10.1039/c5nr02840j
© The Royal Society of Chemistry. We demonstrate a facile and scalable electrochemical approach to exfoliate graphite, which permits in situ hydrogenation of the resultant graphene via a solvated NR4+ graphite compound in quaternary ammonium-based deep eutectic solvents. Spectroscopic studies reveal the presence of sp3 C-H bonds in the hydrogenated graphene. The resulting materials consist of micrometre-sized and predominantly monolayer to few layers thick hydrogenated graphenic flakes. A large band gap (∼4 eV) further establishes the high level of hydrogenation. It is also possible to tune the band gap introduced to the graphene by controlling the level of hydrogenation. The mechanism of the exfoliation and hydrogenation is also discussed.
This data was imported from Web of Science (Lite):
Authors: Abdelkader, A.M., Patten, H.V., Li, Z., Chen, Y. and Kinloch, I.A.
Journal: NANOSCALE
Volume: 7
Issue: 26
Pages: 11386-11392
eISSN: 2040-3372
ISSN: 2040-3364
DOI: 10.1039/c5nr02840j