Ultrafast microwave assisted synthesis of mesoporous SnO 2 and its characterization
Date
2010
Authors
Sathyaseelan, B.
Anand, C.
Mano, A.
Zaidi, S.M.
Jayavel, R.
Sivakumar, K.
Ariga, K.
Vinu, A.
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Journal article
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Journal of Nanoscience and Nanotechnology, 2010; 10(12):8362-8366
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Abstract
Mesoporous SnO 2 was prepared by a high temperature microwave assisted process using a low cost polymeric surfactant, poly(ethylene glycol). The obtained material has been characterized by several sophisticated techniques such as XRD, nitrogen adsorption, HRTEM, UV-Vis DRS, HRSEM and photoluminescence. The characterization results reveal that the obtained material exhibits a high surface area with a spherical morphology, crystalline walls and narrow mesopores. In addition, microwave process requires only a short time for the formation of mesoporous SnO 2. SnO 2 with no porous structure was obtained when hydrothermal technique was used. We also found that the band gap of the mesoporous SnO 2 is much smaller than that of the nonporous bulk SnO 2 and showed excellent photoluminescent properties.
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Copyright 2010 American Scientific Publishers.