Journal
APPLIED SURFACE SCIENCE
Volume 369, Issue -, Pages 576-583Publisher
ELSEVIER
DOI: 10.1016/j.apsusc.2016.02.078
Keywords
RGO/meso-TiO2/AuNPs; Ternary composites; Methylene blue; Photocatalytic degradation
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Funding
- National Natural Science Foundation of China [20904009]
- open fund of the Nankai University Education Ministry Key Laboratory of Functional Polymer Materials
- Natural Sciences Foundation of Hebei province [B2015202262]
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Reduced graphene oxide/meso-TiO2/AuNPs (RGO/meso-TiO2/AuNPs) ternary composites were prepared via the addition of graphene oxide to the dispersion of meso-TiO2/AuNPs under hydrothermal conditions. The structure and the morphology of the RGO/meso-TiO2/AuNPs materials were characterized using X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), transmission electron microscopy (TEM), and scanning electron microscopy (SEM). The photocatalytic activity of RGO/meso-TiO2/AuNPs was evaluated by degradation of methyl blue (MB) under visible-light illumination. The ternary composites present an extended light absorption range, efficient charge separation properties, high adsorption ability for MB and high photocatalytic degradation activity of MB compared to the meso-TiO2 and meso-TiO2/AuNPs. (C) 2016 Elsevier B.V. All rights reserved.
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