Synthesis of aqueous sols of nanocrystalline ceria doped with gadolinia
Abstract
Novel method of synthesis of Ce1‑xGdxO2‑d (x = 0–0.2) aqueous sols for magnetic resonance tomography applications was proposed. Detailed physico-chemical study of sols was performed using electron microscopy, energy-dispersive X-ray spectroscopy, X-ray diffraction, UV-Vis spectroscopy and dynamic light scattering. It was shown that the lattice constant of as-prepared solid solutions obeys Vegard’s law. The particle size in sols prepared by combination of anionite and hydrothermal-microwave treatments is substantially smaller than the size of the particles prepared by conventional hydrothermal treatment.
About the Authors
G. A. Gasymova
Kurnakov Institute of General and Inorganic Chemistry of Russian Academy of Sciences
Russian Federation
Russian Federation
PhD student
O. S. Ivanova
Kurnakov Institute of General and Inorganic Chemistry of Russian Academy of Sciences
Russian Federation
Russian Federation
Researcher, PhD
A. Ye. Baranchikov
Kurnakov Institute of General and Inorganic Chemistry of Russian Academy of Sciences
Russian Federation
Russian Federation
Senior Researcher, PhD
A. B. Shcherbakov
Institute of Microbiology and Virology of Ukrainian National Academy of Sciences
Ukraine
Ukraine
Key Engineer, PhD
V. K. Ivanov
Kurnakov Institute of General and Inorganic Chemistry of Russian Academy of Sciences
Russian Federation
Russian Federation
Key Researcher, PhD
Yu. D. Tretyakov
Lomonosov Moscow State University
Russian Federation
Russian Federation
Dean of Department of Materials Sciences, Academician of RAS, D.Sc.
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Review
For citations:
Gasymova G.A., Ivanova O.S., Baranchikov A.Ye., Shcherbakov A.B., Ivanov V.K., Tretyakov Yu.D. Synthesis of aqueous sols of nanocrystalline ceria doped with gadolinia. Nanosystems: Physics, Chemistry, Mathematics. 2011;2(3):113-120. (In Russ.)
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