期刊
JOURNAL OF COLLOID AND INTERFACE SCIENCE
卷 432, 期 -, 页码 170-175出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2014.06.008
关键词
ZnO/Au; Photocatalysis; Chemical adsorptivity; Extended light absorption; Efficient charge separation
In this paper, a high-performance photocatalyst of ZnO nanorod/Au composite arrays (ZAs) was synthesized via a facile low-temperature wet chemical method. The samples were characterized using field emission scanning electron microscopy (FESEM), energy-dispersive X-ray spectroscopy (EDX), X-ray photoelectron spectroscopy (XPS), photoluminescence (PL) emission spectroscopy and ultraviolet-visible (UV-Vis) absorption. The unique nanostructured composite showed great adsorptivity of dyes, extended light absorption range, and efficient charge separation properties simultaneously. Hence, a significant enhancement in the photocatalytic properties in comparison with pure ZnO as demonstrated in photodegradation of methyl orange due to the incorporation of Au nanoparticles in ZnO nanorods. (C) 2014 Elsevier Inc. All rights reserved.
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