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Rapid photocatalytic activity and honeycomb Ag/ZnO heterostructures via solution combustion synthesis

机译:溶液燃烧合成快速光催化活性和蜂窝状Ag / ZnO异质结构

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Honeycomb Ag/ZnO heterostructures exhibiting rapid photocatalytic activity were successfully prepared via simple solution combustion synthesis (SCS). Brunauer-Emmett-Teller surface area of the prepared Ag/ZnO heterostructures are 46.7m~2/g, and the pore size distribution curves indicate its excellent mesoporous nature. In addition, Raman spectrum and the X-ray photoelectron analysis results show the formation of Ag/ZnO heterostructures. Moreover, Ag/ZnO heterostructures with 5atom%Ag show the highest photocatalytic activity and the excellent chemical stability decomposing RhB under multiple cycles. It is proposed that the special structural feature with an open and porous nanostructured surface layer and the resultant Ag/ZnO heterostructures lead to the rapid photocatalytic activity of the prepared photocatalysts.
机译:通过简单的溶液燃烧合成(SCS)成功地制备了具有快速光催化活性的蜂窝状Ag / ZnO异质结构。制备的Ag / ZnO异质结构的Brunauer-Emmett-Teller表面积为46.7m〜2 / g,其孔径分布曲线表明其具有优良的介孔性质。另外,拉曼光谱和X射线光电子分析结果表明形成了Ag / ZnO异质结构。此外,具有5atom%Ag的Ag / ZnO异质结构在多个循环中表现出最高的光催化活性和出色的化学稳定性,可分解RhB。提出具有开放和多孔的纳米结构表面层的特殊结构特征以及所得的Ag / ZnO异质结构导致所制备的光催化剂具有快速的光催化活性。

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