Journal
JOURNAL OF MOLECULAR LIQUIDS
Volume 232, Issue -, Pages 423-430Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.molliq.2017.02.095
Keywords
Chitosan-SnO2; Nanocomposites; UV light; Photocatalyst
Funding
- CONICYT through the project FONDECYT [3150631]
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In this study, synthesis of novel binary chitosan-SnO2 nanocomposites is reported. Different physical and chemical techniques were used to characterize and analyze the characteristics of the chitosan-SnO2 nanocomposites as photocatalysts. The prepared novel photocatalysts were used to degrade the model dyes such as methyl orange (MO) and rhodamine B (RhB) under different wavelengths (254,310 and 365 nm) of UV light. The photocatalytic degradation results suggest that the prepared binary chitosan-SnO2 (50:50) nanocomposite shows superior degradation efficiency compared with pure SnO2 and binary chitosan-SnO2 (75:25) nanocomposite owing to its high crystallinity, high surface area, and small particle size. It was also observed that chitosan-SnO2 (50:50) nanocomposite under different wavelengths (254 nm, 310 nm, and 365 nm) of UV light showed highest photocatalytic degradation of methyl orange and rhodamine B at 365 nm irradiation. (C) 2017 Elsevier B.V. All rights reserved.
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