Skip to content

Research at St Andrews

Structure, conductivity and redox reversibility of Ca-doped cerium metavanadate

Research output: Contribution to journalArticlepeer-review

DOI

Author(s)

Christophe T. G. Petit, Rong Lan, Peter I. Cowin, John T. S. Irvine, Shanwen Tao

School/Research organisations

Abstract

A-site substituted cerium metavanadates, Ce1-xCaxVO3, were synthesised by solid-state reactions from single-phase powders of the corresponding orthovanadates. All metavanadate samples were found to exhibit either an orthorhombic and/or monoclinic phase of space group Pnma (62) with a = 5.5067 (4), b = 7.7904 (5) and c = 5.4814(7) angstrom for Ce0.8Ca0.2VO3. X-Ray diffraction patterns and thermal analyses have shown that the reduction of Ca-doped CeVO3 from the equivalent orthovanadate is redox phase reversible without formation of parasitic phases at x = 0.2, 0.3. Conductivity measurements were performed in air and in dry 5% H-2-Ar with conductivity of Ce1-xCaxVO3 ranging from 1.5 to 13 S cm(-1) at 700 degrees C in a reducing atmosphere. Sample Ce0.7Ca0.3VO3 exhibits the highest conductivity in a reducing atmosphere in all the measured samples which could be a potential anode or as a part of composite anode for SOFCs. The conductivity of Ce0.7Ca0.3VO3 is higher than that for Ce0.85Sr0.15VO3 which could be related to the higher doping level.

Close

Details

Original languageEnglish
Pages (from-to)8854-8861
Number of pages8
JournalJournal of Materials Chemistry
Volume21
Issue number24
DOIs
Publication statusPublished - 2011

Discover related content
Find related publications, people, projects and more using interactive charts.

View graph of relations

Related by author

  1. Microwave irradiation synthesis to obtain La0.7-xPrxCa0.3MnO3 perovskites: electrical and electrochemical performance

    Ferrel-Alvarez, A. C., Domínguez-Crespo, M. A., Cong, H., Torres-Huerta, A. M., Palma-Ramírez, D. & Irvine, J. T. S., 15 Jan 2021, In: Journal of Alloys and Compounds. 851, 156882.

    Research output: Contribution to journalArticlepeer-review

  2. Graphitic-C3N4 coated floating glass beads for photocatalytic destruction of synthetic and natural organic compounds in water under UV light

    Hui, J., Pestana, C. J., Caux, M., Gunaratne, H. Q. N., Edwards, C., Robertson, P. K. J., Lawton, L. A. & Irvine, J. T. S., 15 Jan 2021, In: Journal of Photochemistry and Photobiology A: Chemistry. 405, 112935.

    Research output: Contribution to journalArticlepeer-review

  3. Activation of anion redox in P3 structure cobalt-doped sodium manganese oxide via introduction of transition metal vacancies

    Kim, E. J., Mofredj, K., Pickup, D., Chadwick, A., Irvine, J. T. S. & Armstrong, R., 1 Jan 2021, In: Journal of Power Sources. 481, 229010.

    Research output: Contribution to journalArticlepeer-review

  4. A Ce/Ru codoped SrFeO3−δ perovskite for a coke-resistant anode of a symmetrical solid oxide fuel cell

    Li, B., He, S., Li, J., Yue, X., Irvine, J. T. S., Xie, D., Ni, J. & Ni, C., 18 Dec 2020, In: ACS Catalysis. 10, 24, p. 14398-14409 12 p.

    Research output: Contribution to journalArticlepeer-review

  5. Photocatalytic removal of the cyanobacterium Microcystis aeruginosa PCC7813 and four microcystins by TiO2 coated porous glass beads with UV-LED irradiation

    Pestana, C. J., Portela Noronha, J., Hui, J., Edwards, C., Gunaratne, H. Q. N., Irvine, J. T. S., Robertson, P. K. J., Capelo-Neto, J. & Lawton, L. A., 25 Nov 2020, In: Science of the Total Environment. 745, 141154.

    Research output: Contribution to journalArticlepeer-review

Related by journal

  1. Journal of Materials Chemistry (Journal)

    Finlay Morrison (Reviewer)

    2008 → …

    Activity: Publication peer-review and editorial work typesPeer review of manuscripts

  2. Journal of Materials Chemistry (Journal)

    John Thomas Sirr Irvine (Member of editorial board)

    2007 → …

    Activity: Publication peer-review and editorial work typesEditor of research journal

Related by journal

  1. Long-range exciton diffusion in non-fullerene acceptors and coarse bulk heterojunctions enable highly efficient organic photovoltaics

    Sajjad, M. T., Ruseckas, A., Jagadamma, L. K., Zhang, Y. & Samuel, I. D. W., 21 Jul 2020, In: Journal of Materials Chemistry. 8, 31, p. 15687-15694 8 p.

    Research output: Contribution to journalArticlepeer-review

  2. Hexagonal perovskite related oxide ion conductor Ba3NbMoO8.5: phase transition, temperature evolution of the local structure and properties

    Chambers, M. S., McCombie, K. S., Auckett, J. E., McLaughlin, A. C., Irvine, J. T. S., Chater, P. A., Evans, J. S. O. & Evans, I. R., 28 Nov 2019, In: Journal of Materials Chemistry. 7, 44, p. 25503-25510 8 p.

    Research output: Contribution to journalArticlepeer-review

  3. Magneto-structural correlations of novel kagomé-type metal organic frameworks

    H. Mohideen, M. I., Lei, C., Tuček, J., Malina, O., Brivio, F., Kasneryk, V., Huang, Z., Mazur, M., Zou, X., Nachtigall, P., Čejka, J. & Morris, R. E., 14 Jun 2019, In: Journal of Materials Chemistry. 7, 22, p. 6692-6697 6 p.

    Research output: Contribution to journalArticlepeer-review

  4. Revealing resonance effects and intramolecular dipole interactions in the positional isomers of benzonitrile-core thermally activated delayed fluorescence materials

    Kukhta, N. A., Higginbotham, H. F., Matulaitis, T., Danos, A., Bismillah, A. N., Haase, N., Etherington, M. K., Yufit, D. S., McGonigal, P. R., Gražulevičius, J. V. & Monkman, A. P., 14 Aug 2019, In: Journal of Materials Chemistry. 7, 30, p. 9184-9194 11 p.

    Research output: Contribution to journalArticlepeer-review

  5. STA-27, a porous Lewis acidic scandium MOF with an unexpected topology type prepared with 2,3,5,6-tetrakis(4-carboxyphenyl)pyrazine

    Prasad, R., Seidner, S., Cordes, D. B., Lozinska, M., Dawson, D., Thompson, M., Düren, T., Chakarova, K., Mihaylov, M., Hadjiivanov, K., Hoffmann, F., Slawin, A. M. Z., Ashbrook, S. E., Clarke, M. & Wright, P., 14 Mar 2019, In: Journal of Materials Chemistry. 7, 10, p. 5685-5701

    Research output: Contribution to journalArticlepeer-review

ID: 38009828

Top