NANOSYSTEMS: PHYSICS, CHEMISTRY, MATHEMATICS, 2017, 8 (2), P. 290–295
A surface and catalytic investigation of ceria by laser desorption ionization mass spectrometry
I.V. Zagaynov – A. A. Baikov Institute of Metallurgy and Materials Science, Leninskii pr. 49, Moscow, Russia; igorscience@gmail.com
A. K. Buryak – A. N. Frumkin Institute of Physical Chemistry and Electrochemistry, Leninskii pr. 31, Moscow, Russia
Gd0.1Ti0.1Zr0.1Ce0.7O2 solid solution with crystallite size of 10 nm, specific surface area of 85 m2/g and pore size of 2–6 nm has been prepared by a simple coprecipitation method with sonication and characterized by several methods. Among the characterization methods was laser desorption ionization-time of flight mass spectrometry (LDI-TOF) which was used to characterize the surface of the catalyst (fresh and used in CO oxidation) and thereby determine the catalytic sites (active sites of oxidation).
Keywords: ceria, solid solution, CO oxidation, LDI-TOF.
PACS 61.46.-w, 68.43.-h
DOI 10.17586/2220-8054-2017-8-2-290-295