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Applied Surface Science, Volume 340, 15 June 2015, Pages 25-34.
Nidia G. García-Peña1, Rocío Redón1, , , Alberto Herrera-Gomez2, Ana Leticia Fernández-Osorio3, Mariela Bravo-Sanchez2, Gustavo Gomez-Sosa2
- Departmento de Tecnociencias, Universidad Nacional Autónoma de México, Centro de Ciencias Aplicadas y Desarrollo Tecnológico, Universidad Nacional Autónoma de México, Cd. Universitaria A.P. 70-186, C.P. 04510 Coyoacán, México D.F., Mexico.
- Estudios Avanzados del Instituto Politécnico Nacional, Campus Juriquilla, Querétaro, Mexico.
- FES-Cuautitlán, Universidad Nacional Autónoma de México, Edo. de Mexico, Mexico.
Abstract
This paper presents a novel solventless method for the synthesis of zero-valent ruthenium nanoparticles Ru(0). The proposed method, although not entirely new in the nanomaterials world, was used for the first time to synthesize zero-valent ruthenium nanoparticles. This new approach has proved to be an environmentally friendly, clean, cheap, fast, and reproducible technique which employs low amounts of solvent. It was optimized through varying amounts of reducing salt on a determined quantity of precursor and measuring the effect of this variation on the average particle size obtained. The resulting products were fully characterized by powder XRD, TEM, HR-TEM, and XPS studies, all of which corroborated the purity of the nanoparticles achieved. In order to verify the advantages of our method over other techniques, we compared our nanoparticles with two common colloidal-synthesized ruthenium nanoparticles.
