najoNanosystems: Physics, Chemistry, MathematicsНаносистемы: физика, химия, математика2220-80542305-7971Университет ИТМО10.17586/2220-8054-2018-9-5-688-695najo-747Research ArticleCHEMISTRY AND MATERIALS SCIENCEХИМИЯ И НАУКА О МАТЕРИАЛАХEffect of Ce cations on the crystallite size and pore structure genesis in nanostructured rutile after calcinationShikinaN. V.

5 Lavrentiev Ave., 630090, Novosibirsk

shikina@catalysis.ruBessudnovaE. V.

5 Lavrentiev Ave., 630090, Novosibirsk

UshakovV. A.

5 Lavrentiev Ave., 630090, Novosibirsk

NikitinA. P.

18 Sovetskiy pr., 650000, Kemerovo

Mel’gunovM. S.

5 Lavrentiev Ave., 630090, Novosibirsk

IshchenkoA. V.

5 Lavrentiev Ave., 630090, Novosibirsk

IsmagilovZ. R.

5 Lavrentiev Ave., 630090, Novosibirsk; 18 Sovetskiy pr., 650000, Kemerovo

Boreskov Institute of Catalysis SB RASRussian FederationInstitute of Coal Chemistry and Materials Science, Federal Research Center of Coal and Coal Chemistry SB RASRussian FederationBoreskov Institute of Catalysis SB RAS; Institute of Coal Chemistry and Materials Science, Federal Research Center of Coal and Coal Chemistry SB RASRussian Federation20181208202595688695Copyright © Shikina N.V., Bessudnova E.V., Ushakov V.A., Nikitin A.P., Mel’gunov M.S., Ishchenko A.V., Ismagilov Z.R., 20252025Shikina N.V., Bessudnova E.V., Ushakov V.A., Nikitin A.P., Mel’gunov M.S., Ishchenko A.V., Ismagilov Z.R.Shikina N.V., Bessudnova E.V., Ushakov V.A., Nikitin A.P., Mel’gunov M.S., Ishchenko A.V., Ismagilov Z.R.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://nanojournal.ifmo.ru/jour/article/view/747

A method for the low-temperature synthesis of titania with the 3D rutile nanostructure was developed, and the effect of introduced cerium ions on the thermal stability of the material was studied. According to XRD, TEM, Raman spectroscopy and BET data, the introduction of 3 – 10 wt.% Ce into the rutile matrix decreases the growth of nanorutile crystallites under the action of high temperatures ranging from 300 – 1000 ◦C and provides the formation of a more porous structure in comparison with unmodified samples. Cerium cations are stabilized in the region of interblock boundaries or in the structural defects of rutile TiO2 and are released as the bulk CeO2 phase only at 1000 ◦C, which does not exert a stabilizing effect at this temperature. 

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The authors declare that there are no conflicts of interest present.