Abstract
Hybrid H3PMo12O40/polymer composites were proposed here for the simple photocatalytic decomposition of erythrosine B and rose Bengal because of their unwanted effect on the environmental microorganism. Interestingly, the composite exhibited efficient photocatalytic activity for the decomposition of dyes under both mild near UV irradiation and solar irradiation. High final conversions were obtained for both of dyes reaching 81% and 86% for the erythrosine B and rose Bengal respectively after 120 min of [email protected] nm illumination and 90% for both dyes after only 30 min of solar exposure. The photocatalytic stability was also demonstrated. The photoluminescence technique was used to prove hydroxyl radicals implication into the photo-decomposition reaction using H3PMo12O40/polymer. The efficiency of the proposed treatment was confirmed by the evaluation of the ecotoxicity effect of by-products of each dye on two bacterial strains.
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