Microwave-assisted solution synthesis of SnO nanocrystallites

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摘要：

High-purity powders of SnO nanocrystallites with crystallite sizes less than 30 nm and surface areas up to 40 m 2/g have been synthesized by a solution process, in which amorphous oxy–hydroxy precipitate of Sn +2 is crystallized with microwave heating. Microwave heating was found to have selectively accelerated SnO crystallization but not the concurrent Sn +2-to-Sn +4 oxidation, which otherwise prevails in the conventional thermal heating process. Control studies give strong indication of a non-temperature effect of the microwave irradiation in the present process.

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关键词：

Experimental/ crystallisation crystallites microwave heating nanostructured materials powder technology secondary cells tin compounds/ microwave-assisted solution synthesis nanocrystallites high-purity powders solution process microwave heating selectively accelerated crystallization nontemperature effect secondary cell 0 to 30 nm SnO/ A8120L Preparation of ceramics and refractories A8120E Powder techniques, compaction and sintering A8630F Secondary cells A6146 Structure of solid clusters, nanoparticles, and nanostructured materials A6480G Microstructure/ size 0.0E+00 to 3.0E-08 m/ SnO/bin Sn /bin O/bin