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Synthesis of RhB/BiOBr Hybrid Photocatalyst and its Utilization in Enhanced Degradation of Methyl Orange Via Visible-light Induced Photosensitization Process

Abstract This investigation is related with the synthesis of Rhodamine B(RhB)/BiOBr hybrid photocatalyst and its enhanced photodegradation performance in removal of methyl orange (MO) from water under visible light irradiation. The microstructure and optical properties of as-synthesized RhB/BiOBr hybrid photocatalyst were characterized by XRD, UV-Vis DRS, FTIR and PL measurements. Compared with pure phase of BiOBr semiconductor, the photochemical experiments clearly demonstrated that the as-synthesized RhB/BiOBr hybrid photocatalyst show clear and noticeable improvement in photodegradation performance of methyl orange which is regarded as one of the most typical azo dyes in wastewater from textile industrial plants. This remarkable improvement in degradation is attributed mainly to the photosensitization process in presence of RhB.