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Li, Y., Alain-Rizzo, V., Galmiche, L., Audebert, P., Miomandre, F., Louarn, G., Bozlar, M., Pope, M. A., Dabbs, D. M. & Aksay, I. A. (2015) Functionalization of Graphene Oxide by Tetrazine Derivatives: A Versatile Approach toward Covalent Bridges between Graphene Sheets. Chem. Mat. 27 4298–4310. 
Added by: Laurent Cournède (2016-03-10 18:36:41)
Type de référence: Article
DOI: 10.1021/acs.chemmater.5b00672
Numéro d'identification (ISBN etc.): 0897-4756
Clé BibTeX: Li2015a
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Catégories: PMN
Mots-clés: force microscopy, graphite oxide, s-tetrazines, silica nanoparticles, spectra
Créateurs: Aksay, Alain-Rizzo, Audebert, Bozlar, Dabbs, Galmiche, Li, Louarn, Miomandre, Pope
Collection: Chem. Mat.
Consultations : 1/412
Indice de consultation : 2%
Indice de popularité : 0.5%
Résumé     
We have covalently grafted tetrazine derivatives to graphene oxide through nudeophilic substitution. Since the tetrazine unit is electroactive and nitrogen-rich, with a reduction potential sensitive to the type of substituent and degree of substitution, we used electrochemistry and X-ray photoelectron spectroscopy to demonstrate clear evidence for grafting through covalent bonding. Chemical modification was supported by Fourier transform infrared spectroscopy and thermal analysis. Tetrazines grafted onto graphene oxide displayed different mass losses compared to unmodified graphene and were more stable than the molecular precursors. Finally, a bridging tetrazine derivative was grafted between sheets of graphene oxide to demonstrate that the separation distance between sheets can be maintained while designing new graphene-based materials, including chemically bound, redox structures.
Added by: Laurent Cournède  
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