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Photocatalytic degradation of methyl orange using biologically enhanced tin oxide nanoparticles under UV-irradiation

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Abstract

Tin oxide nanoparticles (size = 14 nm) have been prepared using DNA, a biological molecule, by co-precipitation method. The SnO2 catalysts were characterized by X-ray diffraction, scanning electron microscope, transmission electron spectroscopy, fourier transform infra-red spectroscopy, photoluminescence spectroscopy and UV–Vis spectroscopy. The photocatalytic properties of SnO2 nanoparticles were investigated via methyl orange as a model organic compound under UV light irradiation. The study proves SnO2 as an efficient catalyst in removing organic pollutants in water.

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Acknowledgements

The first author assists UGC for financial assistance and STIC Cochin, CECRI, Karaikudi and Department of optoelectronics, Kariavattom, Govt. Women’s college, Thiruvananthapuram and M. G university for providing facilities for analysis.

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Authors and Affiliations

  1. Department of Physics, S.N College, Kollam, Kerala, India

    Nancy John & Malu Somaraj

  2. Department of Physics, S.N College for women, Kollam, Kerala, India

    Nisha J. Tharayil

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  1. Nancy John
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  2. Nisha J. Tharayil
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  3. Malu Somaraj
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Correspondence to Nancy John.

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John, N., Tharayil, N.J. & Somaraj, M. Photocatalytic degradation of methyl orange using biologically enhanced tin oxide nanoparticles under UV-irradiation. J Mater Sci: Mater Electron 28, 5860–5865 (2017). https://doi.org/10.1007/s10854-016-6258-7

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  • DOI: https://doi.org/10.1007/s10854-016-6258-7

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