Abstract
Different morphologies of 3D SnO2 nanostructures, including sphere-like, net-like, and flower-like, have been successfully synthesised via a facile hydrothermal method. The products were characterized by X-ray diffraction and scanning electron microscopy. The possible growth mechanism of different SnO2 nanostructures was discussed in detail. We found that the citric acid and PEG play significant roles in synthesizing the flower-like and net-like nanostructures. Furthermore, the gas-sensing properties of the samples were investigated towards the reducing ethanol gas. The results indicate that the flower-like and net-like SnO2 show larger gas sensing properties than sphere-like SnO2.
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This work was supported in part by National Natural Science of China (51202302), China Postdoctoral Science Foundation (No. 2012M511904), and the National Undergraduate Innovative Project of China (No. 1110611007).
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He, Q., Zeng, W., Wu, M. et al. Hydrothermal synthesis of different 3D SnO2 nanostructures and their gas-sensing properties. J Mater Sci: Mater Electron 24, 2390–2397 (2013). https://doi.org/10.1007/s10854-013-1107-4
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DOI: https://doi.org/10.1007/s10854-013-1107-4