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A Straightforward approach to multifunctional graphene
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Lucherelli, Matteo Andrea; Raya, Jésus; Edelthalhammer, Konstantin F.; Hauke, Frank; Hirsch, Andreas; Abellán Sáez, Gonzalo; Bianco, Alberto
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This document is a artículoDate2019
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Graphene has been covalently functionalized through a one‐pot reductive pathway using graphite intercalation compounds (GICs), in particular KC8, with three different orthogonally protected derivatives of 4‐aminobenzylamine. This novel multifunctional platform exhibits excellent bulk functionalization homogeneity (Hbulk) and degree of addition while preserving the chemical functionalities of the organic addends through different protecting groups, namely: tert‐butyloxycarbonyl (Boc), benzyloxycarbonyl (Cbz) and phthalimide (Pht). We have employed (temperature‐dependent) statistical Raman spectroscopy (SRS), X‐ray photoelectron spectroscopy (XPS), magic angle spinning solid state 13C NMR (MAS‐NMR), and a characterization tool consisting of thermogravimetric analysis coupled with gas chromatography and mass spectrometry (TG‐GC‐MS) to unambiguously demonstrate the covalent binding and the chemical nature of the different molecular linkers. This work paves the way for the development of smart graphene‐based materials of great interest in biomedicine or electronics, to name a few, and will serve as a guide in the design of new 2D multifunctional materials.
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Lucherelli, Matteo Andrea Raya, Jésus Edelthalhammer, Konstantin F. Hauke, Frank Hirsch, Andreas Abellán Sáez, Gonzalo Bianco, Alberto 2019 A Straightforward approach to multifunctional graphene Chemistry-A European Journal 25 57 13218 13223 |
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https://doi.org/10.1002/chem.201903165
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