Preparation of MgTi2O5 nanoparticles for sonophotocatalytic degradation of triphenylmethane dyes

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    Author
    Selvamani, T; Anandan, S; Asiri, AM; Maruthamuthu, P; Ashokkumar, M
    Date
    2021-07-01
    Source Title
    Ultrasonics Sonochemistry
    Publisher
    ELSEVIER
    University of Melbourne Author/s
    Ashokkumar, Muthupandian
    Affiliation
    School of Chemistry
    Metadata
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    Document Type
    Journal Article
    Citations
    Selvamani, T., Anandan, S., Asiri, A. M., Maruthamuthu, P. & Ashokkumar, M. (2021). Preparation of MgTi2O5 nanoparticles for sonophotocatalytic degradation of triphenylmethane dyes. ULTRASONICS SONOCHEMISTRY, 75, https://doi.org/10.1016/j.ultsonch.2021.105585.
    Access Status
    Open Access
    URI
    http://hdl.handle.net/11343/287419
    DOI
    10.1016/j.ultsonch.2021.105585
    Abstract
    MgTi2O5 (magnesium dititanate) nanoparticles were prepared by a simple hydrothermal assisted post-annealing method and characterized with various analytical techniques. The catalytic properties (sonocatalytic, photocatalytic and sonophotocatalytic activity) were evaluated using the degradation of triphenylmethane dyes (crystal violet, basic fuchsin, and acid fuchsin). The sonophotocatalytic activity of MgTi2O5 nanoparticles towards crystal violet was found to be ~2.9 times higher than the photocatalytic activity and ~20 times higher than that of the sonocatalytic processes. In addition, the sonophotocatalytic efficiency of MgTi2O5 nanoparticles was found to be remarkable for the degradation of basic fuchsin (cationic dye) and acid fuchsin (anionic dye). The mechanism of these catalytic activities has been discussed in detail.

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