Immobilization of fullerene C60 at cathodically polarized glassy carbon for generation of thin nucleophilic layers and their carboxylation and alkylation
| Autor: | Jacques Simonet, Viatcheslav Jouikov |
|---|---|
| Přispěvatelé: | Institut des Sciences Chimiques de Rennes (ISCR), Centre National de la Recherche Scientifique (CNRS)-Institut de Chimie du CNRS (INC)-Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Ecole Nationale Supérieure de Chimie de Rennes (ENSCR)-Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Institut National des Sciences Appliquées (INSA), Centre National de la Recherche Scientifique, Université de Nantes, Université de Rennes (UR)-Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Ecole Nationale Supérieure de Chimie de Rennes (ENSCR)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS) |
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
Fullerene
Electrophilic reagents Anodic oxidation Tetramethylammonium salts Solid substrates 02 engineering and technology Glassy carbon Electrophiles 010402 general chemistry 01 natural sciences chemistry.chemical_compound Polar aprotic solvent Nucleophile Carboxylation Polymer chemistry General Materials Science Reactivity (chemistry) Acetonitrile Gold deposits Fullerene C60 Tetramethylammonium High reactivity Dimethylformamide General Chemistry [CHIM.MATE]Chemical Sciences/Material chemistry 021001 nanoscience & nanotechnology 0104 chemical sciences Organic solvents chemistry Carbon dioxide Dicarboxylates Fullerenes Glass 0210 nano-technology |
| Zdroj: | Carbon Carbon, Elsevier, 2020, 156, pp.438-444. ⟨10.1016/j.carbon.2019.09.060⟩ Carbon, 2020, 156, pp.438-444. ⟨10.1016/j.carbon.2019.09.060⟩ |
| ISSN: | 0008-6223 |
| DOI: | 10.1016/j.carbon.2019.09.060⟩ |
| Popis: | International audience; Fullerene-C60 deposited onto solid substrates (glassy carbon, gold) was polarized between 0 V and −2 V vs. Ag/AgCl/KClsat (aq) in polar aprotic solvents (dimethylformamide or acetonitrile) containing tetramethylammonium salts in the presence of electrophilic reagents, namely primary haloalkanes (Hal = Br, I) and carbon dioxide. The electrogenerated reduced forms of C60 (C60 − to C60 4−, fullerene polyanions), show high reactivity towards various electrophiles which permits preparing C60 dicarboxylates whose formation was established through coulometric integration. Importantly, anodic oxidation (Ep ≈ +1 V) of thus produced C60 dicarboxylates led to the complete regeneration of C60 via a Kolbe bis-decarboxylation. |
| Databáze: | OpenAIRE |
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