Reverse Microemulsion Synthesis of Monodispersed Square-shaped SnO2 Nanocrystals

doi:10.3724/SP.J.1077.2010.10282

Abstract

Abstract: A nanosized reverse microemulsion reactor was designed for the fabrication of monodispersed SnO₂ nanosquares by oxidation of SnF₂ under hydrothermal conditions. As-prepared samples were characterized by X-ray diffraction, scanning electron microscope, transmission electron microscope and high resolution transmission electron microscope. The results show that the morphology of the SnO₂ nanocrystals can be controlled by regulating the amount of the used oleylamine which direct influenced the pH values of the aqueous phase. Well monodispersed SnO₂ nanosquares with the size around 10nm can be obtained. A proper pH value could benefit the oriented attachments of the crystalline seeds which gradually grew into a square-plate NCs shape in the microemulsion reactor.

Key words: reverse microemulsion, SnO2 nanosquares, oleylamine, hydrothermal

CLC Number:

TB383
TP212

YU Chang-Lin, ZHOU Wan-Qin, YANG Kai, LI Li-Qing, CHAO Fang-Fang, LI Xin. Reverse Microemulsion Synthesis of Monodispersed Square-shaped SnO₂ Nanocrystals[J]. Journal of Inorganic Materials, 2010, 25(12): 1340-1344.

References

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Reverse Microemulsion Synthesis of Monodispersed Square-shaped SnO₂ Nanocrystals

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