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Issue 51, 2014
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Temperature-dependent formation of Ru-based nanocomposites: structures and properties

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Abstract

A new route to produce Ru-based nanocomposites with mixed valence states of ruthenium is reported in this paper via a solid-phase sintering process. Precursor particles were prepared by an intimate mixing of RuCl3 and native β-cyclodextrin (β-CD) with a molar ratio of 1 : 1, followed by a sintering process at various temperatures ranging from 573 to 1173 K in ambient atmosphere. The so-obtained composite nanomaterials have been characterized by X-ray diffraction and notably the results show that an adjustment of the temperature enabled us to obtain Ru-based nanoparticles with controllable compositions. The surface-enhanced Raman scattering performances of the obtained nanomaterials have been analyzed using Rhodamine 6G (R6G) as the Raman probe. Their magnetic behaviors have been investigated as a function of the field strengths. The present work provides a significant advance in the development of both transformation in valence states of transition metals and in situ nanocomposites of metal/metal oxide combinations.

Graphical abstract: Temperature-dependent formation of Ru-based nanocomposites: structures and properties

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Publication details

The article was received on 08 Apr 2014, accepted on 09 Jun 2014 and first published on 09 Jun 2014


Article type: Paper
DOI: 10.1039/C4RA03142C
Citation: RSC Adv., 2014,4, 26847-26854
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    Temperature-dependent formation of Ru-based nanocomposites: structures and properties

    Y. Teng, L. X. Song, A. Ponchel, E. Monflier, Z. C. Shao, J. Xia and Z. K. Yang, RSC Adv., 2014, 4, 26847
    DOI: 10.1039/C4RA03142C

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