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New Hybrid Perovskites/polymer composites for the photodegradation of organic dyes

Abstract : Recently, many researchers have focused their attentions on associating perovskites with polymers in order to enhance their processability and rigidity while protecting their interesting environmental properties. Therefore, this work reports the successful development of two different perovskites/polymer composites via a simple, rapid, low-cost and eco-friendly photopolymerization process under mild visible Light Emitting Diode LED@405nm irradiation. The as-synthesized composites exhibit excellent photocatalytic activity towards the removal of the Acid Black dye from water, reaching approximatively 95% under just 30 min of UV light irradiation. The fruitful hybridization between the perovskite and the acrylate monomer allowed the collect and reuse of this photocatalyst for several successive cycles without external usual time-consuming methods. Furthermore, the new asfabricated shaped materials were fully characterized by numerous characterization techniques including SEM, TEM, EDX, DRX, AFM, DMA and ATG which have verified on one side the successful immobilization of the perovskites into the polymer and the structural stability of the photocatalysts after hybridization and in the other side the high rigidity and thermal stability of the obtained molded composites.
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Contributor : Frederic Dumur Connect in order to contact the contributor
Submitted on : Sunday, July 25, 2021 - 8:03:30 AM
Last modification on : Tuesday, July 27, 2021 - 1:37:47 PM


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Chaima Brahmi, Mahmoud Benltifa, Cyril Vaulot, Laure Michelin, Frédéric Dumur, et al.. New Hybrid Perovskites/polymer composites for the photodegradation of organic dyes. European Polymer Journal, Elsevier, 2021, 157, pp.110641. ⟨10.1016/j.eurpolymj.2021.110641⟩. ⟨hal-03298900⟩



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