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Solvothermal Synthesis and Photocatalysis of SnO2 Nanocrystal Microspheres

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Abstract:

Quasi-monodispersed SnO2 nanocrystal microspheres were successfully fabricated by a solvothermal route with the assistance of poly (ethylene glycol) (PEG, Mn=6000) template. The as-prepared SnO2 microspheres were well characterized by XRD, SEM, TEM, and FT-IR. The photocatalytic activity for Rh B on the SnO2 microspheres was also investigated under UV irradiation. The experimental results show that the quasi-monodispersed SnO2 microspheres with diameter about 1.3µm are self-assembled by large quantity of crystallites less than 10 nm. The SnO2 microspheres have a good photocatalytic property, as evidenced by the result that over 95% of the Rh B decomposed over the SnO2 nanocrystal microspheres within 180 min. The high degradation rate of rhodamine B (Rh B) on the as-synthesized SnO2 nanocrystal microspheres can be attributed to the small size of crystals.

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Periodical:

Advanced Materials Research (Volume 412)

Pages:

40-43

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.412.40

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Online since:

November 2011

Authors:

Hui Liu, Xiao Nan Dong, Guang Jun Li, Xiao Feng Wang, Zhen Feng Zhu

Keywords:

Micro-Sphere, Nanocrystal, Photocatalysis, Solvothermal Method, TiN Oxide

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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