Characterization by Solid-State 51V NMR and X-ray Diffraction of Vanadium Oxide Supported on ZrO2 


Vol. 17,  No. 3, pp. 274-279, Mar.  1996


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  Abstract

Vanadium oxide-zirconia catalysts were prepared by dry impregnation of powdered Zr(OH)4 with aqueous solution of NH4VO3. The characterization of prepared catalysts was performed using 51V solid state NMR, XRD, and DSC. The addition of vanadium oxide up to 9 mol% to zirconia shifted the phase transitions of ZrO2 from amorphous to tetragonal toward higher temperatures due to the interaction between vanadium oxide and zirconia. On the basis of results of XRD and DSC, it is concluded that the content of V2O5 monolayer covering most of the available zirconia was 9 mol%. The crystalline V2O5 was observed only with the samples containing V2O5 content exceeding the formation of complete monolayer (9 mol%) on the surface of ZrO2.

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  Cite this article

[IEEE Style]

J. R. Sohn, M. Y. Park, Y. I. Pae, "Characterization by Solid-State 51V NMR and X-ray Diffraction of Vanadium Oxide Supported on ZrO2," Bulletin of the Korean Chemical Society, vol. 17, no. 3, pp. 274-279, 1996. DOI: .

[ACM Style]

Jong Rack Sohn, Man Young Park, and Young Il Pae. 1996. Characterization by Solid-State 51V NMR and X-ray Diffraction of Vanadium Oxide Supported on ZrO2. Bulletin of the Korean Chemical Society, 17, 3, (1996), 274-279. DOI: .

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ISSN(Print) 0253-2964
ISSN(Online) 1229-5949