Ion Exchange in Sodium Titanate Nanoribbons and its Application in Dye Photodegradation of Remazol Blue

Abstract:

This work addresses the main point, the synthesis of one-dimensional titanate nanostructures and their ion exchange with transition metals for application in photocatalysis. The catalysts tested in the photocatalytic process were titanate nanoribbons (NRTi) synthesized by hydrothermal method and ion exchanged with Sn²⁺. The structural and morphological analysis of the material was performed by XRD, Raman spectroscopy and TEM images, confirming the formation of the desired structures and the growth of SnO₂ nanoparticles after the ion exchange process with average size smaller than 10 nm. The values of surface area were obtained by BET and showed a significant increment after the ion exchange process, making it favorable for application in photocatalysis. The NRTi was applied in the degradation of blue dye remazol, generating a total degradation in 120 minutes. The rate constants were calculated from the pseudo-first-order equation.

• Periodical: Materials Science Forum (Volume 869)
• Pages: 795-799
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.869.795
• Online since: August 2016
• Authors: Ludyane Nascimento Costa, Francisco Xavier Nobre, Bartolomeu Cruz Viana Neto, José Milton Elias de Matos
• Keywords: Dye Photodegradation, Hydrothermal Method, Titanate Nanoribbons

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