Abstract
SnO crystallites having a size ranging 0.1–0.2 μm were synthesized by a hydrothermal process, which consisted of prolonged solution aging under pH = 1.0, followed by hydrothermal treatment under pH = 9 to 10 at 75–95 °C. Oxidation of Sn+2 to Sn+4 during the hydrothermal stage was effectively inhibited by increasing the solution-aging time. This was attributed to the formation, upon aging, of polymeric hydrous SnO colloids, which are more oxidation resistant than aquo-hydroxo tin complex monomers. For solutions with a sufficiently long (≥240 h) aging time, the SnO yield increased with increasing pH and temperature during the hydrothermal treatment.
Publisher
Springer Science and Business Media LLC
Subject
Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science
Cited by
16 articles.
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