Preparation and Photocatalytic Properties of Composites Mental Oxides Derived from Layered Double Hydroxides

被引：0

作者：

Zhang G. ^{[1
]}

Zhang X. ^{[1
]}

Xue J. ^{[1
]}

Meng Y. ^{[2
]}

Xia S. ^{[1
]}

Ni Z. ^{[1
]}

机构：

[1] College of Chemical Engineering, Zhejiang University of Technology, Hangzhou

[2] School of Life Sciences, Huzhou University, Huzhou, 313000, Zhejiang

来源：

Kuei Suan Jen Hsueh Pao/Journal of the Chinese Ceramic Society | 2019年 / 47卷 / 04期

关键词：

Catechol; Composite oxide; Gold and cobalt loading; Layered double hydroxides; Photocatalysis;

D O I：

10.14062/j.issn.0454-5648.2019.04.06

中图分类号：

学科分类号：

摘要：

Gold and cobalt were loaded on the surface of zinc-aluminum layered double hydroxides at different ratios via an impregnation-reduction process. The composites mental oxides as a high photocatalytic material were derived from AuCo/ZnAl-LDHs after calcination. The crystal structure, morphology and optical performance of samples were characterized by X-ray diffraction, transmission electron microscopy and ultraviolet-visible diffuse-reflectance spectroscopy, respectively. The photocatalytic activities were evaluated via the degradation of catechol under visible light irradiation. The results show that the photocatalyst with a total loading mass of Au/Co of 2% and Au:Co molar ratio of 5:1, calcined at 400℃ has an optimum degradation efficiency of catechol. In this case, 94.7% of catechol can be degraded at 5 h. © 2019, Editorial Department of Journal of the Chinese Ceramic Society. All right reserved.

引用

页码：466 / 472

页数：6

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