Hydrazine reduction of transition-metal oxides
- 1 January 1987
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases
- Vol. 83 (11) , 3271-3282
- https://doi.org/10.1039/f19878303271
Abstract
The surface interactions of the thermodynamically stable oxides of the firstrow transition metals with hydrazine, N2H4, have been assessed by X-ray photoelectron spectroscopy (X.p.s.), and the observed reactivity explained on the basis of the oxides' thermodynamic and acid–base properties. Microgravimetry, transmission electron microscopy (TEM) and X.p.s. studies of copper(II) oxide (CuO) reduction by hydrazine indicate morphological changes associated with enhanced reactivity. Comparison of hydrazine and hydrogen reduction treatments shows that CuO reduction by hydrazine is more spontaneous and provides a greater increase in surface area than does hydrogen at similar reaction conditions.Keywords
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