Abstract
AbstractUsing a facile refluxing synthesis, a series of BiO(ClBr)0.5−x/2Ix solid solutions was prepared and applied as photocatalysts for the degradation of organic pollutants. The synthesized solid solutions crystallized in microspheres are constructed by nanoplates which transform into nanosheets for increasing iodine ions contents. Furthermore, introducing iodine ions significantly decreased the optical bandgap of the obtained solid solutions. The photocatalytic activity of these samples over the degradation of Rhodamine B indicates the highest performance of the solid‐solution at x=0.2 with a decomposition efficiency of 92.6 % for 120 mins of reaction under the light emission diode (LED) irradiation which is much higher than that of pure sample and BiOCl0.5Br0.5. This enhancement in photocatalytic performance was attributed to the effective separation of photo‐induced electron‐hole pairs.
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