Intergrowth between V2O5 and TiO2 (anatase): High resolution electron microscopy evidence |
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| Authors: | G N Kryukova D O Klenov and G A Zenkovets |
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| Institution: | (1) Federal Scientific Center, Boreskov Institute of Catalysis, 630090 Novosibirsk, Russia;(2) Novosibirsk State University, 630090 Novosibirsk, Russia |
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| Abstract: | V2O5/TiO2 (anatase) with 5 and 20 wt.% loadings of V2O5 have been studied using high resolution electron microscopy. This has provided the first direct evidence for the formation
of a coherent interfacial boundary between two crystalline TiO2 and V2O5 phases. The type of the interfacial stacking was found to be similar for all the samples, whereas the length of the boundary
formed depended on the V2O5 loading. A model for the atomic arrangement of this boundary based on a comparison of structural positions of oxygen and
metal atoms in the crystal lattices of both phases is proposed. |
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| Keywords: | Vanadia-titania catalysts intergrowth structure |
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