Journal
JOURNAL OF NUCLEAR MATERIALS
Volume 400, Issue 1, Pages 25-31Publisher
ELSEVIER
DOI: 10.1016/j.jnucmat.2010.02.005
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Funding
- Centre National de Recherche Scientifique
- University of Montpellier II
- Commissariat A l'Energie Atomique
- French Research Group MATINEX (CNRS/CEA/AREVA/EDF)
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An original approach to immobilize ruthenium species and then transform them into RuO2 nanoparticles is presented that uses hybrid-functionalized glasses. First, different chemical graftings of functional groups (acetylacetonate, amine, nitrile, pyridine and thiol) in porous glass were used to extract ruthenium-containing complexes ([Ru(CH3N)(4)Cl-2] and Ru(NO)(NO3)(3)) from solutions. The best functional groups to selectively coordinate Ru complexes and thus extract it from the solutions have been determined. Then, the obtained Ru-containing composite glass was heated under air to remove the organic species and to obtain RuO2 nanoparticles inside a glass with centimetre scale geometric form. The as-obtained materials were studied by transmission electron microscopy (TEM), scanning electron microscopy (SEM), nitrogen physisorbtion measurements, elemental analysis and X-ray diffraction (XRD). (C) 2010 Elsevier B.V. All rights reserved.
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