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首页> 外文期刊>Applied Surface Science >Visible-light photocatalytic activity of Ag2O coated Bi2WO6 hierarchical microspheres assembled by nanosheets
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Visible-light photocatalytic activity of Ag2O coated Bi2WO6 hierarchical microspheres assembled by nanosheets

机译：纳米片组装的Ag2O包覆的Bi2WO6分级微球的可见光光催化活性

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摘要

Bi2WO6 hierarchical microspheres assembled by nanosheets and dispersed nanosheets were synthesized by hydrothermal reaction in different conditions. Ag2O nanoparticles were deposited on the surface of Bi2WO6 microspheres and nanosheets by the chemical precipitation method. The photocatalytic performance of pure Bi2WO6 nanostructures and Ag2O/Bi2WO6 heterostructures were evaluated by the photocatalytic decolorization of RhB solution under visible-light irradiation. Compared with the pure Bi2WO6 nanostructures, the Ag2O/Bi2WO6 heterostructures exhibited an obviously enhanced photocatalytic activity. And photocatalytic activity of the Ag2O/Bi2WO6 microspheres is higher than that of the Ag2O/Bi2WO6 nanosheets. This work demonstrates that the Bi2WO6 hierarchical three-dimensional structure is an excellent architecture for the loading of Ag2O nanoparticles to build a highly efficient photocatalyst. (C) 2014 Elsevier B.V. All rights reserved.
机译：通过水热反应在不同条件下合成了由纳米片和分散的纳米片组装而成的Bi2WO6分层微球。通过化学沉淀法将Ag 2 O纳米颗粒沉积在Bi 2 WO 6微球和纳米片的表面上。通过在可见光照射下RhB溶液的光催化脱色，评估了纯Bi2WO6纳米结构和Ag2O / Bi2WO6异质结构的光催化性能。与纯Bi2WO6纳米结构相比，Ag2O / Bi2WO6异质结构表现出明显增强的光催化活性。而且，Ag2O / Bi2WO6微球的光催化活性高于Ag2O / Bi2WO6纳米片的光催化活性。这项工作表明，Bi2WO6分层三维结构是装载Ag2O纳米颗粒以构建高效光催化剂的出色结构。 （C）2014 Elsevier B.V.保留所有权利。

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