Nanostructured vanadium-molybdenum mixed oxides prepared by the solvothermal method

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• 作者：T. V. Sviridova (1)
  A. A. Antonova (1)
  A. I. Kokorin (2)
  E. N. Degtyarev (2)
  D. V. Sviridov (1)
  
  1. Department of Chemistry ; Belorusian State University ; Minsk ; Belarus
  2. Semenov Institute of Chemical Physics ; Russian Academy of Sciences ; Moscow ; Russia
  
• 关键词：vanadium and molybdenum oxides ; solvothermal synthesis ; XRD phase analysis ; electron microscopy ; infrared spectroscopy
• 刊名：Russian Journal of Physical Chemistry B, Focus on Physics
• 出版年：2015
• 出版时间：January 2015
• 年：2015
• 卷：9
• 期：1
• 页码：22-28
• 全文大小：1,022 KB
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• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Physical Chemistry
  Russian Library of Science
  
• 出版者：MAIK Nauka/Interperiodica distributed exclusively by Springer Science+Business Media LLC.
• ISSN：1990-7923

文摘

The specific features of the structure, morphology, and valence composition of nanostructured molybdenum-vanadium mixed oxides prepared by copolycondensation of relevant oxoacids under solvothermal conditions are investigated. It is shown that the resultant oxide phases are mixtures of hexagonal molybdenum trioxide and a V2O5 xerogel-based solid solution in which some vanadium ions in the lattice are substituted by molybdenum ions. It is demonstrated that vanadyl centers in thus obtained mixed oxides exhibit a high degree of magnetic association. The parameters of the spin Hamiltonian of V(IV) ions were determined from EPR spectra.