Preparation, characterization and investigation of sonophotocatalytic activity of thulium titanate/polyaniline nanocomposites in degradation of dyes

Sobhani-Nasab, A. and Behpour, M. and Rahimi-Nasrabadi, M. and Ahmadi, F. and Pourmasoud, S. and Sedighi, F. (2018) Preparation, characterization and investigation of sonophotocatalytic activity of thulium titanate/polyaniline nanocomposites in degradation of dyes. Ultrasonics Sonochemistry.

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Abstract

Thulium titanate/polyaniline nanocomposites were synthesized to observe the sonophotocatalytic degradation of dyes (widely used as a model pollutant) under ultrasonic irradiation and visible light. Based on our results, the synthesis process can improve sol-gel assisted sonochemical method in the presence of ultrasound and starch. To prepare pure thulium titanate nanostructures, the presence of starch and sonication treatment were concurrently obligatory. Therefore, sol-gel assisted sonochemical method can be used as a successful process for synthesis of thulium titanate nanostructures. According to the BET results, in the presence of ultrasound and starch surface area increased from 9.5305 m2/g to 40.28 m2/g. For verification of photacatalytic behavior of nanoparticles, several factors were studied. The nanocomposites/ultrasonic system showed greater photocatalytic activity for the degradation of Rh B rather than separately treatment of nanocomposites under visible light. © 2018 Elsevier B.V.

Item Type: Article
Additional Information: cited By 0; Article in Press
Uncontrolled Keywords: Light; Nanocomposites; Nanostructures; Sol-gel process; Sol-gels; Sonochemistry; Starch; Ultrasonics, Photocatalytic activities; Sonication treatment; Sonochemical method; Sonophotocatalytic; Surface area; Synthesis process; Ultrasound irradiation; Visible light, Thulium compounds
Subjects: QV Pharmacology
Depositing User: eprints admin
Date Deposited: 01 Dec 2018 06:28
Last Modified: 01 Dec 2018 06:28
URI: http://eprints.iums.ac.ir/id/eprint/7188

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