Abstract
AbstractSnO2/BiOBr photocatalyst with broad‐spectrum response was one step constructed via in situ hydrothermal method; SnO2 was anchored on the surface of BiOBr sheets by acidolysis of Na2SnO3 in the stock solution producing BiOBr. The photocatalytic degradation activity over rhodamine B (RhB) under visible light‐emitting diode irradiation of BiOBr is further improved by coupling a 7% amount of SnO2. The reaction rate constant of 7%SnO2/BiOBr is 8.2 times that of pristine BiOBr. The enhanced photocatalytic performance can be ascribed to the excellent adsorption abilities for RhB, broadening visible light response, and efficient transfer of photogenerated electrons from BiOBr to SnO2.
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