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Pàgina inicial > Articles > Articles publicats > Highly dispersible and stable anionic boron cluster-graphene oxide nanohybrids |
Data: | 2016 |
Resum: | An efficient process to produce boron cluster-graphene oxide nanohybrids that are highly dispersible in water and organic solvents is established for the first time. Dispersions of these nanohybrid materials in water were extraordinarily stable after one month. Characterization of hybrids after grafting of appropriate cobaltabisdicarbollide and closo-dodecaborate derivatives onto the surface of graphene oxide (GO) was done by FT-IR, XPS, and UV/Vis. Thermogravimetric analysis (TGA) clearly shows a higher thermal stability for the modified-GO nanohybrids compared to the parent GO. Of particular note, elemental mapping by energy-filtered transmission electron microscopy (EFTEM) reveals that a uniform decoration of the graphene oxide surface with the boron clusters is achieved under the reported conditions. Therefore, the resulting nanohybrid systems show exceptional physico-chemical and thermal properties, paving the way for an enhanced processability and further expanding the range of application for graphene-based materials. |
Ajuts: | Ministerio de Economía y Competitividad CTQ2013-44670-R Ministerio de Economía y Competitividad MAT2014-53500-R Ministerio de Economía y Competitividad SEV- 2015-0496 Ministerio de Economía y Competitividad SEV-2013-0295 Agència de Gestió d'Ajuts Universitaris i de Recerca 2014/SGR-149 |
Drets: | Tots els drets reservats. |
Llengua: | Anglès |
Document: | Article ; recerca ; Versió acceptada per publicar |
Matèria: | Boron clusters ; Dispersibility ; Electron microscopy ; Graphene oxide |
Publicat a: | Chemistry, Vol. 22, issue 15 (April 2016) , p. 5096-5101, ISSN 1521-3765 |
Postprint 8 p, 457.7 KB |