Thus, the optical band gaps of the CeO 2 , CeO 2 @ZnO-0.2, CeO 2 @ZnO-0.45, CeO 2 @ZnO-0.67, CeO 2 @ZnO-0.8, and ZnO nanomaterials are 2.789, 3.06, 3.164, 3.195, 3.20, and 3.214 eV, respectively, showing an increasing trend with an increase in the Zn:Ce ratio.
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Facile Fabrication of Highly Active CeO<sub>2</sub>@ZnO Nanoheterojunction Photocatalysts.
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