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Topotactic synthesis of vanadium nitride solid foams

Published online by Cambridge University Press:  31 January 2011

Ted S. Oyama ,
Rajat Kapoor ,
Hideko T. Oyama ,
David J. Hofmann  and
Egon Matijević
Ted S. Oyama
Affiliation:
Center for Advanced Materials Processing, Clarkson University, Potsdam, New York 13699-5814
Rajat Kapoor
Affiliation:
Center for Advanced Materials Processing, Clarkson University, Potsdam, New York 13699-5814
Hideko T. Oyama
Affiliation:
Center for Advanced Materials Processing, Clarkson University, Potsdam, New York 13699-5814
David J. Hofmann
Affiliation:
Center for Advanced Materials Processing, Clarkson University, Potsdam, New York 13699-5814
Egon Matijević
Affiliation:
Center for Advanced Materials Processing, Clarkson University, Potsdam, New York 13699-5814
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Abstract

Vanadium nitride has been synthesized with a surface area of 120 m2 g−1 by temperature programmed nitridation of a foam-like vanadium oxide (35 m2 g−1), precipitated from vanadate solutions. The nitridation reaction was established to be topotactic and pseudomorphous by x-ray powder diffraction and scanning electron microscopy. The crystallographic relationship between the nitride and oxide was {200}//{001}. The effect of precursor geometry on the product size and shape was investigated by employing vanadium oxide solids of different morphologies.

Type
Articles
Information
Journal of Materials Research , Volume 8 , Issue 6 , June 1993 , pp. 1450 - 1454
Copyright
Copyright © Materials Research Society 1993

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References

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